NOS110 Study Guide

You have installed a new network adaptor in your computer and reboot the OS. You go to check the settings of the network adaptor but you cannot find the device in Windows. What is the most likely problem?

Answer

Selected Answer: d.

bad or missing device driver

Correct Answer: d.


Question 2

1 out of 1 points

Which OS is commonly used as both a desktop OS and for multiuser server applications?

Answer

Selected Answer: b.

Linux

Correct Answer: b.

Linux

Question 3

1 out of 1 points

Which of the following is a job typically performed by the kernel?

Answer

Selected Answer:

a.

managing CPU interactions

Correct Answer: a.


Question 4

1 out of 1 points

Which of the following does NOT require a device driver to be installed in the OS?

Answer

Selected Answer: c.

installing more RAM

Correct Answer: c.

installing more RAM

Question 5

1 out of 1 points

You are testing out a new multitasking operating system. In your testing, you find that some applications are not getting sufficient CPU time while others are getting more than necessary. Which component is likely to be the cause of this problem?

Answer

Selected Answer: a.

kernel

Correct Answer: a.

kernel

Question 6

1 out of 1 points

You want to implement a system that hosts scalable Web-based applications accessible through a Web browser. This system should be available only to your company but the resources should be made available through a third-party. What type of system should you use?

Answer

Selected Answer: b.

hosted private cloud

Correct Answer: b.


Question 7

1 out of 1 points

Code that exchanges information with specific hardware devices is referred to as which of the following?

Answer

Selected Answer: d.

device driver

Correct Answer: d.

device driver

Question 8

1 out of 1 points

You are planning to buy a new server that will act as the server portion of a client/server application. A colleague of yours makes some suggestions for the server’s OS. Which of the following suggestions are you least likely to adopt?

Answer

Selected Answer: c.

Windows 7

Correct Answer: c.

Windows 7

Question 9

1 out of 1 points

Which of the following is NOT an I/O task performed by the OS?

Answer

Selected Answer: b.

executes program instructions

Correct Answer: b.


Question 10

1 out of 1 points

If your computing environment requires that some processing of your application takes place on a server and some of it takes place on a PC-class computer, what type of system are you using?

Answer

Selected Answer:

b.

client/server system

Correct Answer: b.


Question 11

1 out of 1 points

Which of the following can be described as program code that acts as a specialized hook into the operating system?

Answer

Selected Answer: c.

API

Correct Answer: c.

API

Question 12

1 out of 1 points

What type of computer is most likely to be used for graphical design and film design and animation?

Answer

Selected Answer: d.

high-end workstation

Correct Answer: d.


Question 13

1 out of 1 points

Which of the following was the first widely used multiuser, multitasking OS?

Answer

Selected Answer: c.

Unix

Correct Answer: c.

Unix

Question 14

0 out of 1 points

Which of the following is least concerned with a computer’s specific hardware configuration?

Answer

Selected Answer: d.

operating system

Correct Answer: c.

applications

Question 15

1 out of 1 points

Which of the following accurately describes preemptive multitasking?

Answer

Selected Answer: d.

The OS controls when an application can use the CPU

Correct Answer: d.


Question 16

1 out of 1 points

Which of the following can be described as client/server computing coupled with the Internet?

Answer

Selected Answer: d.

cloud computing

Correct Answer: d.

cloud computing

Question 17

1 out of 1 points

A word processor is best described as which type of operating system element?

Answer

Selected Answer: c.

application software

Correct Answer: c.


Question 18

1 out of 1 points

If you need to change certain aspects of the way your computer boots, which of the following components would you configure?

Answer

Selected Answer: b.

BIOS

Correct Answer: b.

BIOS

Question 19

1 out of 1 points

If you are a bank manage and have thousands of transactions to process in which no user interaction is required, which type of computer are you most likely to use?

Answer

Selected Answer:

a.

mainframe

Correct Answer: a.

mainframe

Question 20

1 out of 1 points

Which of the following is NOT a task performed by the computer’s BIOS?

Answer

Selected Answer:

b.

manages random access memory

Correct Answer: b.


Friday, September 9, 2011 2:10:27 PM EDT

OK

1 out of 1 points

Which of the following can be described as client/server computing coupled with the Internet?

Answer

Selected Answer: d.

cloud computing

Correct Answer: d.

cloud computing

Question 2

1 out of 1 points

Which of the following does NOT require a device driver to be installed in the OS?

Answer

Selected Answer: c.

installing more RAM

Correct Answer: c.

installing more RAM

Question 3

1 out of 1 points

Which of the following accurately describes preemptive multitasking?

Answer

Selected Answer: d.


Correct Answer: d.


Question 4

1 out of 1 points

Which of the following was the first widely used multiuser, multitasking OS?

Answer

Selected Answer: a.

Unix

Correct Answer: a.

Unix

Question 5

1 out of 1 points

You have installed a new network adaptor in your computer and reboot the OS. You go to check the settings of the network adaptor but you cannot find the device in Windows. What is the most likely problem?

Answer

Selected Answer: c.


Correct Answer: c.


Question 6

1 out of 1 points

Which of the following is NOT an I/O task performed by the OS?

Answer

Selected Answer: c.


Correct Answer: c.


Question 7

1 out of 1 points

A word processor is best described as which type of operating system element?

Answer

Selected Answer: b.


Correct Answer: b.


Question 8

1 out of 1 points

Which of the following is NOT a task performed by the computer’s BIOS?

Answer

Selected Answer:

d.


Correct Answer: d.


Question 9

1 out of 1 points

You want to implement a system that hosts scalable Web-based applications accessible through a Web browser. This system should be available only to your company but the resources should be made available through a third-party. What type of system should you use?

Answer

Selected Answer: b.


Correct Answer: b.


Question 10

1 out of 1 points

Which of the following can be described as program code that acts as a specialized hook into the operating system?

Answer

Selected Answer:

d.

API

Correct Answer: d.

API

Question 11

1 out of 1 points

Code that exchanges information with specific hardware devices is referred to as which of the following?

Answer

Selected Answer: d.

device driver

Correct Answer: d.

device driver

Question 12

1 out of 1 points

If you are a bank manage and have thousands of transactions to process in which no user interaction is required, which type of computer are you most likely to use?

Answer

Selected Answer:

b.

mainframe

Correct Answer: b.

mainframe

Question 13

1 out of 1 points

You are testing out a new multitasking operating system. In your testing, you find that some applications are not getting sufficient CPU time while others are getting more than necessary. Which component is likely to be the cause of this problem?

Answer

Selected Answer: d.

kernel

Correct Answer: d.

kernel

Question 14

1 out of 1 points

Which of the following is least concerned with a computer’s specific hardware configuration?

Answer

Selected Answer: c.

applications

Correct Answer: c.

applications

Question 15

1 out of 1 points

You are planning to buy a new server that will act as the server portion of a client/server application. A colleague of yours makes some suggestions for the server’s OS. Which of the following suggestions are you least likely to adopt?

Answer

Selected Answer: a.

Windows 7

Correct Answer: a.

Windows 7

Question 16

1 out of 1 points

What type of computer is most likely to be used for graphical design and film design and animation?

Answer

Selected Answer: b.


Correct Answer: b.


Question 17

1 out of 1 points

If your computing environment requires that some processing of your application takes place on a server and some of it takes place on a PC-class computer, what type of system are you using?

Answer

Selected Answer:

d.


Correct Answer: d.


Question 18

1 out of 1 points

Which of the following is a job typically performed by the kernel?

Answer

Selected Answer:

d.


Correct Answer: d.


Question 19

1 out of 1 points

If you need to change certain aspects of the way your computer boots, which of the following components would you configure?

Answer

Selected Answer: c.

BIOS

Correct Answer: c.

BIOS

Question 20

1 out of 1 points

Which OS is commonly used as both a desktop OS and for multiuser server applications?

Answer

Selected Answer: a.

Linux

Correct Answer: a.

Linux

Friday, September 9, 2011 2:22:05 PM EDT

OK

Question 1

2 out of 2 points

From which OS did Windows XP evolve?

Answer

Selected Answer:

d.

Windows 2000

Correct Answer: d.

Windows 2000

Question 2

2 out of 2 points

Which of the following features differentiated Windows NT from Windows 95/98?

Answer

Selected Answer:

c.

Windows NT’s kernel ran in privileged mode

Correct Answer: c.


Question 3

2 out of 2 points

Which of the following is NOT a feature of the Windows NT security model?

Answer

Selected Answer: d.

all network data is encrypted

Correct Answer: d.


Question 4

2 out of 2 points

You have created a number of different documents using several applications including Word, Excel, and PowerPoint. These files are located in different folders on your hard drive. You want to be able to access these folders from a single location without actually moving them from their current location. What feature of Windows Vista can you use?

Answer

Selected Answer: a.

virtual folders

Correct Answer: a.

virtual folders

Question 5

2 out of 2 points

Which of the following features was first available in Windows Server 2003 and Windows XP?

Answer

Selected Answer: d.

64-bit Itanium support

Correct Answer: d.


Question 6

2 out of 2 points

What feature in Windows 7 uses flash memory to supplement RAM?

Answer

Selected Answer: c.

ReadyBoost

Correct Answer: c.

ReadyBoost

Question 7

0 out of 2 points

File Server Resource Manager offers which of the following features?

Answer

Selected Answer: a.

common hierarchy for file shares

Correct Answer: c.

quota management

Question 8

2 out of 2 points

You are the administrator for a company that has users that must access the network remotely on a regular basis. You want the remote connection to be secure and as easy as possible to set up for your users. What new feature found in Windows Server 2008 R2 along with Windows 7 can you use to accomplish this?

Answer

Selected Answer:

a.

DirectAccess

Correct Answer: a.

DirectAccess

Question 9

0 out of 2 points

You’re running several Windows Server 2003 R2 servers. You re considering purchasing an application that requires user authentication and authorization. You want to be able to manage your user accounts through a single database that will work both for centralized logon and for this application. What feature should you consider using?

Answer

Selected Answer:

d.

COM

Correct Answer: b.

ADAM

Question 10

2 out of 2 points

Which of the following will be launched automatically if Vista detects a problem while booting the system?

Answer

S


Answer

a.

Startup Repair Tool

Selected Answer: d.


Correct Answer: d.


Question 2

2 out of 2 points

You need to set up a new network with 15 workstations. You must provide access to network services for all 15 stations simultaneously and you have been told to use Active Directory in this network. Which OS should you use?

Answer

Selected Answer: a.

Windows 2000 Server

Correct Answer: a.

Windows 2000 Server

Question 3

2 out of 2 points

Which of the following OSs was the first to offer true 32-bit functionality?

Answer

Selected Answer: a.

Windows 95

Correct Answer: a.

Windows 95

Question 4

2 out of 2 points


Answer

Selected Answer:

d.

DirectAccess

Correct Answer: d.

DirectAccess

Question 5

2 out of 2 points

If you suspect that a Windows problem is related to the database that stores hardware and software configuration information, which Windows component should you investigate?

Answer

Selected Answer:

a.

Registry

Correct Answer: a.

Registry

Question 6

2 out of 2 points

Which of the following is NOT a feature first introduced in Windows 2000?

Answer

Selected Answer:

a.

user accounts and passwords

Correct Answer: a.


Question 7

2 out of 2 points

Which new feature in Windows Server 2008 allows you to run multiple independent operating systems on a single physical server?

Answer

Selected Answer: a.

Hyper-V

Correct Answer: a.

Hyper-V

Question 8

2 out of 2 points


Answer

Selected Answer:

c.

ADAM

Correct Answer: c.

ADAM

Question 9

2 out of 2 points

You’re an administrator for a network with 6 Windows Server 2003 R2 servers. You maintain shared files on four of those servers and your users frequently get confused as to which server holds which share. You want to simplify access to the shares on these servers. What feature can you use?

Answer

Selected Answer:

b.

DFS

Correct Answer: b.

DFS

Question 10

2 out of 2 points


Answer

Selected Answer:

d.

Startup Repair Tool

Correct Answer: d.

Startup Repair Tool

Question 11

2 out of 2 points

You want to be able to take advantage of the new Server Core feature. You have both 32-bit and 64-bit computers you want to install Server Core on. Which Windows OS should you purchase?

Answer

Selected Answer: b.

Windows Server 2008

Correct Answer: b.

Windows Server 2008

Question 12

2 out of 2 points

What component of a Linux/Unix OS functions similar to a MS-DOS command prompt?

Answer

Selected Answer: b.

shell

Correct Answer: b.

shell

Question 13

2 out of 2 points

Which Windows Vista feature protects the registry and specific folders so that their contents are only available to a specific user?

Answer

Selected Answer: a.

UAP

Correct Answer: a.

UAP

Question 14

2 out of 2 points


Answer

Selected Answer: a.


Correct Answer: a.


Question 15

2 out of 2 points


Answer

Selected Answer:

c.


Correct Answer: c.


Question 16

2 out of 2 points


Answer

Selected Answer: d.

quota management

Correct Answer: d.

quota management

Question 17

2 out of 2 points


Answer

Selected Answer:

c.

Windows 2000

Correct Answer: c.

Windows 2000

Question 18

2 out of 2 points

You have a network of 175 workstations, 5 servers, and 12 printers. You want to be able to maintain enterprise-wide control of your network printers from one location. What new tool in Windows Server 2003 R2 can help you do that?

Answer

Selected Answer:

d.

Print Management Console

Correct Answer: d.


Question 19

2 out of 2 points


Answer

Selected Answer: d.

virtual folders

Correct Answer: d.

virtual folders

Question 20

2 out of 2 points


Answer

Selected Answer: c.

ReadyBoost

Correct Answer: c.

ReadyBoost

Wednesday, September 14, 2011 11:29:21 PM EDT

OK

elected Answer:

Correct Answer: a.

Startup Repair Tool

Question 11

2 out of 2 points


Answer

Selected Answer: c.

UAP

Correct Answer: c.

UAP

Question 12

0 out of 2 points


Answer

Selected Answer:

c.

MMC 3.0

Correct Answer: b.


Question 13

2 out of 2 points


Answer

Selected Answer: b.

Windows 95

Correct Answer: b.

Windows 95

Question 14

2 out of 2 points


Answer

Selected Answer: a.

DFS

Correct Answer: a.

DFS

Question 15

2 out of 2 points


Answer

Selected Answer: c.

shell

Correct Answer: c.

shell

Question 16

2 out of 2 points


Answer

Selected Answer: a.

Windows Server 2008

Correct Answer: a.

Windows Server 2008

Question 17

2 out of 2 points


Answer

Selected Answer: a.

Windows 2000 Server

Correct Answer: a.

Windows 2000 Server

Question 18

2 out of 2 points


Answer

Selected Answer:

b.

Registry

Correct Answer: b.

Registry

Question 19

0 out of 2 points


Answer

Selected Answer:

a.

Kerberos

Correct Answer: d.


Question 20

2 out of 2 points


Answer

Selected Answer: c.

Hyper-V

Correct Answer: c.

Hyper-V


OK

2 out of 2 points


Answer

Selected Answer:

c.

DirectAccess

Correct Answer: c.

DirectAccess

Question 2

2 out of 2 points


Answer

Selected Answer: c.

UAP

Correct Answer: c.

UAP

Question 3

2 out of 2 points


Answer

Selected Answer: b.

Hyper-V

Correct Answer: b.

Hyper-V

Question 4

2 out of 2 points


Answer

Selected Answer: c.

shell

Correct Answer: c.

shell

Question 5

2 out of 2 points


Answer

Selected Answer: c.

DFS

Correct Answer: c.

DFS

Question 6

2 out of 2 points


Answer

Selected Answer:

a.

Windows 2000

Correct Answer: a.

Windows 2000

Question 7

2 out of 2 points


Answer

Selected Answer: a.


Correct Answer: a.


Question 8

2 out of 2 points


Answer

Selected Answer: d.

virtual folders

Correct Answer: d.

virtual folders

Question 9

2 out of 2 points


Answer

Selected Answer: d.

Windows 95

Correct Answer: d.

Windows 95

Question 10

2 out of 2 points


Answer

Selected Answer:

b.

Registry

Correct Answer: b.

Registry

Question 11

2 out of 2 points


Answer

Selected Answer:

c.


Correct Answer: c.


Question 12

2 out of 2 points


Answer

Selected Answer: d.

quota management

Correct Answer: d.

quota management

Question 13

2 out of 2 points


Answer

Selected Answer:

b.


Correct Answer: b.


Question 14

2 out of 2 points


Answer

Selected Answer: d.


Correct Answer: d.


Question 15

2 out of 2 points


Answer

Selected Answer: c.

Windows 2000 Server

Correct Answer: c.

Windows 2000 Server

Question 16

2 out of 2 points


Answer

Selected Answer: b.

Windows Server 2008

Correct Answer: b.

Windows Server 2008

Question 17

2 out of 2 points


Answer

Selected Answer:

c.


Correct Answer: c.


Question 18

2 out of 2 points


Answer

Selected Answer: b.

ReadyBoost

Correct Answer: b.

ReadyBoost

Question 19

2 out of 2 points


Answer

Selected Answer:

a.

Startup Repair Tool

Correct Answer: a.

Startup Repair Tool

Question 20

2 out of 2 points


Answer

Selected Answer:

b.

ADAM

Correct Answer: b.

ADAM


OK


Answer

Selected Answer: a.

Windows 2000 Server

Correct Answer: a.

Windows 2000 Server

Question 2

2 out of 2 points


Answer

Selected Answer:

b.

Registry

Correct Answer: b.

Registry

Question 3

2 out of 2 points


Answer

Selected Answer: d.

quota management

Correct Answer: d.

quota management

Question 4

2 out of 2 points


Answer

Selected Answer: a.

Windows 95

Correct Answer: a.

Windows 95

Question 5

2 out of 2 points


Answer

Selected Answer: b.

ReadyBoost

Correct Answer: b.

ReadyBoost

Question 6

2 out of 2 points


Answer

Selected Answer:

b.

DirectAccess

Correct Answer: b.

DirectAccess

Question 7

2 out of 2 points


Answer

Selected Answer:

a.


Correct Answer: a.


Question 8

2 out of 2 points


Answer

Selected Answer:

d.

ADAM

Correct Answer: d.

ADAM

Question 9

2 out of 2 points


Answer

Selected Answer: c.

UAP

Correct Answer: c.

UAP

Question 10

2 out of 2 points


Answer

Selected Answer:

a.

Windows 2000

Correct Answer: a.

Windows 2000

Question 11

2 out of 2 points


Answer

Selected Answer: a.

DFS

Correct Answer: a.

DFS

Question 12

2 out of 2 points


Answer

Selected Answer: b.

shell

Correct Answer: b.

shell

Question 13

2 out of 2 points


Answer

Selected Answer: d.

Hyper-V

Correct Answer: d.

Hyper-V

Question 14

2 out of 2 points


Answer

Selected Answer:

b.


Correct Answer: b.


Question 15

2 out of 2 points


Answer

Selected Answer:

b.

Startup Repair Tool

Correct Answer: b.

Startup Repair Tool

Question 16

2 out of 2 points


Answer

Selected Answer: c.

Windows Server 2008

Correct Answer: c.

Windows Server 2008

Question 17

2 out of 2 points


Answer

Selected Answer: a.


Correct Answer: a.


Question 18

2 out of 2 points


Answer

Selected Answer: c.


Correct Answer: c.


Question 19

2 out of 2 points


Answer

Selected Answer: d.

virtual folders

Correct Answer: d.

virtual folders

Question 20

2 out of 2 points


Answer

Selected Answer:

b.


Correct Answer: b.



OK

You are building a new PC for yourself. You want your computer to have a dual-core processor made by AMD. Which processor family should you choose?

Answer

Selected Answer: a.

Athlon X2

Correct Answer: a.

Athlon X2

Question 2

0 out of 2.6 points

Approximately how much data could a CPU with an external clock speed of 2 GHz and a 32-bit data bus transfer per second?

Answer

Selected Answer: b.

4 Gigabytes

Correct Answer: d.

8 Gigabytes

Question 3

2.6 out of 2.6 points

You are troubleshooting a computer that is in the design phase. The problem you see is that the CPU is not receiving information about the status and of resources and devices connected to the computer. The CPU is also not receiving IRQs. What component of the computer do you suspect could be the problem?

Answer

Selected Answer: a.

control bus

Correct Answer: a.

control bus

Question 4


Which hardware component predicts what data will be needed and makes that data available to the CPU’s internal memory?

Answer

Selected Answer: d.

cache controller

Correct Answer: d.

cache controller

Question 5


If you want to design a CPU that will run on general-purpose hardware, which type of CPU should you design?

Answer

Selected Answer: d.

CISC

Correct Answer: d.

CISC

Question 6

0 out of 2.6 points

Which of the following is true about RISC CPU hardware?

Answer

Selected Answer: a.

it is more complicated and must run at slower clock speeds

Correct Answer: d.

it is less complicated and can run at faster clock speeds

Question 7


What RISC processor design can build multiple instructions into a single word and can combine instructions into groups, allowing parallel operation?

Answer

Selected Answer:

c.

EPIC

Correct Answer: c.

EPIC

Question 8


Which feature of RISC CPUs allows the processor to operate on one instruction at the same time it is fetching one or more subsequent instructions?

Answer

Selected Answer:

a.

pipelining

Correct Answer: a.

pipelining

Question 9


You have heard that the Linux distribution your are going to install to run a new application runs best on a RISC architecture. Which of the following CPU families should you consider for the computer on which you will install this Linux distribution?

Answer

Selected Answer:

d.

SPARC

Correct Answer: d.

SPARC

Question 10


You have found an old dusty computer in your basement that you can identify as an original IBM PC. You ask your friend if he knows what CPU was used in these computers. Which of the following represents a correct response to your question?

Answer

Selected Answer: a.

8088

Correct Answer: a.

8088

Question 11


A CPU that has two or more sections that read and execute instructions is referred to as which of the following?

Answer

Selected Answer:

d.

multicore processor

Correct Answer: d.

multicore processor

Question 12


You work for a college that was just donated a computer with an Itanium processor. Which of the following OSs can NOT be installed on this computer?

Answer

Selected Answer: b.

Vista 64-bit

Correct Answer: b.

Vista 64-bit

Question 13


Which of the following is best described as a technology that enables a single processor to appear as two processors to the OS and allows multiple threads to run simultaneously?

Answer

Selected Answer: d.

hyper-threading

Correct Answer: d.

hyper-threading

Question 14


If you are designing a CPU on which you want to have a lot of storage that can be accessed at the internal clock speed of the CPU, which type of memory are you concerned with?

Answer

Selected Answer:

c.

L1 cache

Correct Answer: c.

L1 cache

Question 15


If your address bus is 20-bits wide, approximately how much memory can your computer address?

Answer

Selected Answer: c.

1024K bytes

Correct Answer: c.

1024K bytes

Thursday, September 22, 2011 4:04:44 AM EDT

OK

If your address bus is 20-bits wide, approximately how much memory can your computer address?

Answer

Selected Answer: c.

1024K bytes

Correct Answer: c.

1024K bytes

Question 2

0 out of 2.6 points

A CPU that has two or more sections that read and execute instructions is referred to as which of the following?

Answer

Selected Answer:

d.

multibus processor

Correct Answer: c.

multicore processor

Question 3


Which of the following is best described as a technology that enables a single processor to appear as two processors to the OS and allows multiple threads to run simultaneously?

Answer

Selected Answer: b.

hyper-threading

Correct Answer: b.

hyper-threading

Question 4


You have heard that the Linux distribution your are going to install to run a new application runs best on a RISC architecture. Which of the following CPU families should you consider for the computer on which you will install this Linux distribution?

Answer

Selected Answer:

a.

SPARC

Correct Answer: a.

SPARC

Question 5


You work for a college that was just donated a computer with an Itanium processor. Which of the following OSs can NOT be installed on this computer?

Answer

Selected Answer: b.

Vista 64-bit

Correct Answer: b.

Vista 64-bit

Question 6


If you are designing a CPU on which you want to have a lot of storage that can be accessed at the internal clock speed of the CPU, which type of memory are you concerned with?

Answer

Selected Answer:

c.

L1 cache

Correct Answer: c.

L1 cache

Question 7


Which hardware component predicts what data will be needed and makes that data available to the CPU’s internal memory?

Answer

Selected Answer: a.

cache controller

Correct Answer: a.

cache controller

Question 8


Which of the following is true about RISC CPU hardware?

Answer

Selected Answer:

a.


Correct Answer: a.


Question 9


You are troubleshooting a computer that is in the design phase. The problem you see is that the CPU is not receiving information about the status and of resources and devices connected to the computer. The CPU is also not receiving IRQs. What component of the computer do you suspect could be the problem?

Answer

Selected Answer: d.

control bus

Correct Answer: d.

control bus

Question 10


Which feature of RISC CPUs allows the processor to operate on one instruction at the same time it is fetching one or more subsequent instructions?

Answer

Selected Answer:

c.

pipelining

Correct Answer: c.

pipelining

Question 11


You have found an old dusty computer in your basement that you can identify as an original IBM PC. You ask your friend if he knows what CPU was used in these computers. Which of the following represents a correct response to your question?

Answer

Selected Answer: a.

8088

Correct Answer: a.

8088

Question 12


What RISC processor design can build multiple instructions into a single word and can combine instructions into groups, allowing parallel operation?

Answer

Selected Answer:

d.

EPIC

Correct Answer: d.

EPIC

Question 13


Approximately how much data could a CPU with an external clock speed of 2 GHz and a 32-bit data bus transfer per second?

Answer

Selected Answer: d.

8 Gigabytes

Correct Answer: d.

8 Gigabytes

Question 14


If you want to design a CPU that will run on general-purpose hardware, which type of CPU should you design?

Answer

Selected Answer: b.

CISC

Correct Answer: b.

CISC

Question 15


You are building a new PC for yourself. You want your computer to have a dual-core processor made by AMD. Which processor family should you choose?

Answer

Selected Answer: b.

Athlon X2

Correct Answer: b.

Athlon X2

Thursday, September 22, 2011 4:13:57 AM EDT

OK

Instructions

Question 1

2 out of 2 points

Which feature of the NTFS file system keeps a log of file system activity to help prevent loss of information if there is a power outage while your disk is in use?

Answer

Selected Answer: b.

journaling

Correct Answer: b.

journaling

Question 2

2 out of 2 points

A colleague of yours uses Windows 7 and wants to organize her files so that files stored in several different folders can be easily grouped together and accessed as if they were in a single location. What feature of the Windows 7 file system do you suggest she use?

false

Answer

Selected Answer: c.

libraries

Correct Answer: c.

libraries

Question 3

2 out of 2 points

Which of the following statements is true about how disk drives are organized?

Answer

Selected Answer: a.

tracks are divided into sectors

Correct Answer: a.

tracks are divided into sectors

Question 4

2 out of 2 points

In a folder hierarchy, the top level is referred to as which of the following?

Answer

Selected Answer: d.

root

Correct Answer: d.

root

Question 5

0 out of 2 points

You have a very large hard disk that is 1 TB. You want to organize your data into ten volumes on this disk. What can you do to accommodate this?

Answer

Selected Answer: c.

use a basic disk scheme and create 10 primary partitions

Correct Answer: b.

use a dynamic disk scheme and create 10 volumes

Question 6

2 out of 2 points

Which of the following folders in a Windows file system is NOT typically located directly off the root?

Answer

Selected Answer: c.

Documents

Correct Answer: c.

Documents

Question 7

0 out of 2 points

Which of the following is NOT an element of the MBR on a Windows system?

Answer

Selected Answer: b.

disk signature

Correct Answer: c.

master file table

Question 8

2 out of 2 points

You have just partitioned a new disk into three partitions and formatted them NTFS 5. You want to be able to access these partitions as folders on the current C: drive. What feature can you use?

Answer

Selected Answer: b.

volume mount points

Correct Answer: b.

volume mount points

Question 9

2 out of 2 points

Which of the following statements is true about the FAT directory structure?

Answer

Selected Answer: c.

a backup of the FAT table is kept for each partition

Correct Answer: c.

a backup of the FAT table is kept for each partition

Question 10

0 out of 2 points

You have created a movie that is on a file that is almost 6 GB in size. You want to put the movie file on a flash drive so you can bring it to a friend’s house to show him. Your computer and your friend’s computer are both running Windows 7. Which file system should you use to format your 16 GB thumb drive?

Answer

Selected Answer: a.

FAT32

Correct Answer: d.

exFAT

Question 11

2 out of 2 points

What command can you use to make the file named private.txt read-only?

Answer

Selected Answer:

c.

attrib +r private.txt

Correct Answer: c.

attrib +r private.txt

Question 12

0 out of 2 points

Which of the following is NOT a task typically performed by an OS’s file system?

Answer

Selected Answer:

d.

establish file naming conventions

Correct Answer: a.

convert files between image formats

Question 13

2 out of 2 points

You have just purchased a new hard drive to install in your Linux system. Before you can begin using the drive to store files, which of the following task must you complete?

Answer

Selected Answer: a.

partition then high-level format

Correct Answer: a.

partition then high-level format

Question 14

0 out of 2 points

Which of the following statements is true about file storage on a FAT file system?

Answer

Selected Answer: a.

the filename is stored in the first cluster occupied by the file

Correct Answer: d.

the clusters are organized as a linked-list

Question 15

2 out of 2 points

What command should you use to change the name of an existing volume?

Answer

Selected Answer:

c.

format /v

Correct Answer: c.

format /v

Question 16

2 out of 2 points

Which of the following is true about Windows FAT and NTFS file systems?

Answer

Selected Answer:

c.

FAT32 can be converted to NTFS using the convert command

Correct Answer: c.

FAT32 can be converted to NTFS using the convert command

Question 17

2 out of 2 points

You are troubleshooting a friend’s computer and your diagnostic software reports a problem with the MFT. What file system is your friend’s computer using?

Answer

Selected Answer:

d.

NTFS

Correct Answer: d.

NTFS

Question 18

0 out of 2 points

You have a new hard disk that you want to put two different OSs on but each OS requires a different file system. What procedure must you perform before you can install the two OSs?

Answer

Selected Answer:

d.

install the first OS and then create a new folder off the root to install the

second OS

Correct Answer: b.

partition the disk into two logical drives and install an OS on each logical drive

Question 19

0 out of 2 points

Which of the following elements of a file system connects the names of files to the file data stored on the disk?

Answer

Selected Answer:

c.

LFN

Correct Answer: d.

directory

Question 20

0 out of 2 points

If you have a Windows computer with three hard drives, each with three partitions, what drive letter is assigned to the third partition on the third hard drive?

Answer

Selected Answer: d.

i

Correct Answer: a.

k

Wednesday, September 28, 2011 3:02:06 AM EDT

OK

Question 1

2 out of 2 points

Which of the following Windows XP editions cannot be upgraded to Windows Vista?

Answer

Selected Answer:

d.

Professional Edition (64-bit)

Correct Answer: d.

Professional Edition (64-bit)

Question 2

2 out of 2 points

Which of the following is NOT a Vista hardware installation requirement?

Answer

Selected Answer:

d.

1 GB RAM

Correct Answer: d.

1 GB RAM

Question 3

2 out of 2 points

Which of the following should you consult before installing a particular Windows OS to verify that the OS supports your chosen hardware?

Answer

Selected Answer: b.

Windows Catalog

Correct Answer: b.

Windows Catalog

Question 4

0 out of 2 points

Which of the following is a necessary step you should take before upgrading or migrating to a new OS?

Answer

Selected Answer: c.

do a low-level format of all your hard disks

Correct Answer: d.

make a complete backup of the current system

Question 5

2 out of 2 points

Which of the following is considered the most stable version of a new OS that is safe to install on production equipment?

Answer

Selected Answer: c.

RTM

Correct Answer: c.

RTM

Question 6

2 out of 2 points

Before starting an upgrade to Windows XP, what should you keep in mind?

Answer

Selected Answer:

d.

you cannot upgrade Windows 95 or earlier OSs to Windows XP

Correct Answer: d.

you cannot upgrade Windows 95 or earlier OSs to Windows XP

Question 7

2 out of 2 points

Which task is an unnecessary step in preparing to upgrade a computer to a new OS version?

Answer

Selected Answer:

c.

do performance benchmarks with the current OS

Correct Answer: c.

do performance benchmarks with the current OS

Question 8

2 out of 2 points

Which of the following is NOT a task in preparation for installing an OS?

Answer

Selected Answer:

a.

call the OS vendor’s technical support to get detailed installation instructions

Correct Answer: a.

call the OS vendor’s technical support to get detailed installation instructions

Question 9

2 out of 2 points

When upgrading Windows Vista to Windows 7, which of the following is a true statement?

Answer

Selected Answer:

d.

at least Service Pack 1 for Vista must be installed

Correct Answer: d.

at least Service Pack 1 for Vista must be installed

Question 10

2 out of 2 points

During the installation of the Windows 7 OS, which of the following are you likely to provide to the installation program?

Answer

Selected Answer:

d.

where to install the OS

Correct Answer: d.

where to install the OS

Question 11

0 out of 2 points

You are preparing to install Windows 7 on a computer that used to run Windows XP. This will be a clean installation. Which of the following are you least likely to need detailed information about before performing the installation?

Answer

Selected Answer:

a.

sound card

Correct Answer: b.

keyboard

Question 12

2 out of 2 points

If you are having trouble installing an OS because it does not seem to be detecting the computer hardware, which of the following should you check to try to resolve the problem?

Answer

Selected Answer:

a.

the BIOS settings

Correct Answer: a.

the BIOS settings

Question 13

2 out of 2 points

Which of the following is NOT a typical function performed by the OS installation program?

Answer

Selected Answer:

b.

backing up existing data on the hard drive, if any

Correct Answer: b.

backing up existing data on the hard drive, if any

Question 14

2 out of 2 points

What feature was first implemented in Windows XP that must occur within 30 days after installation?

Answer

Selected Answer: c.

Activation

Correct Answer: c.

Activation

Question 15

2 out of 2 points

You have a computer running a 32-bit CPU on which you want to install Windows Server 2008. Which of the following statements is true about your installation options?

Answer

Selected Answer: c.

you cannot install Windows Server 2008 R2

Correct Answer: c.

you cannot install Windows Server 2008 R2

Question 16

2 out of 2 points

Which of the following is true of Windows 7?

Answer

Selected Answer: d.

Starter Edition is only available in a 32-bit version

Correct Answer: d.

Starter Edition is only available in a 32-bit version

Question 17

0 out of 2 points

When choosing a computer for a test upgrade/migration, choose one that represents which of the following?

Answer

Selected Answer:

b.

the one with the most memory and disk space

Correct Answer: c.

the lowest common denominator

Question 18

0 out of 2 points

Which of the following is a true statement about PnP?

Answer

Selected Answer: a.

PnP only works on Windows Vista and later OSs

Correct Answer: c.

PnP may still require configuration of memory or devices

Question 19

2 out of 2 points

Which of the following statements is true about the Linux OS?

Answer

Selected Answer: d.

most Linux distributions can be used as either a desktop or server OS

Correct Answer: d.

most Linux distributions can be used as either a desktop or server OS

Question 20

2 out of 2 points

You are preparing to upgrade Windows Vista to Windows 7 but you are going to be cautious and make a backup of your system before proceeding with the installation. Which of the following should NOT be a consideration for performing your backup.

Answer

Selected Answer:

a.

select only the data files for backup since the OS files and applications will not be affected by the upgrade

Correct Answer:

a.

select only the data files for backup since the OS files and applications will not be affected by the upgrade

Thursday, October 13, 2011 1:49:37 AM EDT

You recently purchased a new digital camera and now you want to print some of the photos you have been taking. Which type of printer are you most likely to use to print your photos?

Answer

Selected Answer: c.

ink-jet

Correct Answer: c.

ink-jet

Question 2

2 out of 2 points

You are about to install a new USB camera on your Linux system and you realize that there is no device special file available for your device. What command can you use on the system to create a new device special file?

Answer

Selected Answer: b.

mknod

Correct Answer: b.

mknod

Question 3

2 out of 2 points

Which of the following is a good practice when you are installing a new device?

Answer

Selected Answer: c.

check for a new driver

Correct Answer: c.

check for a new driver

Question 4

2 out of 2 points

Which of the following are common formats for distributing driver files?

Answer

Selected Answer: c.

zip

Correct Answer: c.

zip

Question 5

2 out of 2 points

You manage several hundred Windows 7 computers for your company. In the past, your support staff has spent a lot of time troubleshooting issues related to incompatible or faulty device drivers. You want to reduce the amount of troubleshooting your staff is doing. What is one step you can take that will help?

Answer

Selected Answer:

a.

configure driver signing to disallow unsigned drivers

Correct Answer: a.

configure driver signing to disallow unsigned drivers

Question 6

2 out of 2 points

You want to take advantage of a new VoIP application you just downloaded. What type of device will you need to use this application?

Answer

Selected Answer:

d.

sound card

Correct Answer: d.

sound card

Question 7

2 out of 2 points

A user calls the help line and ask for some help installing a new keyboard. He isn’t sure how to plug the keyboard into the computer because it doesn’t have a cable connected to it. What advice are you likely to give him?

Answer

Selected Answer:

b.

plug the USB receiver into a USB port on the computer

Correct Answer: b.

plug the USB receiver into a USB port on the computer

Question 8

2 out of 2 points

You have ten employees, each with their own computer. You currently have only one printer that is connected via USB to your computer. You frequently run into the problem where other employees try to print to the printer when your computer is shut down or when you are in a meeting. You have funds for a new printer but you don’t want to run into the same problems even if the printer is installed on another user’s computer. What do you suggest?

Answer

Selected Answer: d.

buy a printer with a LAN interface

Correct Answer: d.

buy a printer with a LAN interface

Question 9

2 out of 2 points

What should you wear while installing a circuit board in a computer?

Answer

Selected Answer: b.

ESD wrist strap

Correct Answer: b.

ESD wrist strap

Question 10

2 out of 2 points

You want to install a graphics card with the fastest available bus interface. What should you use?

Answer

Selected Answer: c.

PCIe

Correct Answer: c.

PCIe

Question 11

2 out of 2 points

A user complains that his new mouse doesn’t work right. He has an old system at home and when he has had this problem, he cleaned the ball on the underside of the mouse to fix it, but this mouse doesn’t have a ball on the underside. What can you tell him about his mouse?

Answer

Selected Answer: d.

the mouse is an optical mouse

Correct Answer: d.

the mouse is an optical mouse

Question 12

2 out of 2 points

Which of the following is NOT a Linux device special file type?

Answer

Selected Answer: d.

stream

Correct Answer: d.

stream

Question 13

2 out of 2 points

The office manager of your company has instructed you to find a solution for a problem. A new employee is being hired and her desk will be located where there is a table that is occupied by an older model fax machine and scanner. There is no room to put the table anywhere else and the table that holds the ink-jet printer is too small for the other two devices. There is money in the budget if funds are necessary. What do you recommend?

Answer

Selected Answer: d.

replace the ink-jet printer with a multifunction printer

Correct Answer: d.

replace the ink-jet printer with a multifunction printer

Question 14

2 out of 2 points

Where should you look for the configuration settings of your printer on a Linux computer?

Answer

Selected Answer: a.

/etc/printcap

Correct Answer: a.

/etc/printcap

Question 15

2 out of 2 points

You need to install a new sound card for a colleague’s computer. Which of the following does NOT represent a typical method for installing the driver on a Windows system?

Answer

Selected Answer:

c.

Programs and Features

Correct Answer: c.

Programs and Features

Question 16

2 out of 2 points

Which of the following is NOT an advantage of using device drivers rather than incorporating code into the kernel for all possible devices?

Answer

Selected Answer:

b.

the kernel is recompiled after each new device is installed

Correct Answer: b.

the kernel is recompiled after each new device is installed

Question 17

2 out of 2 points

Which of the following is NOT a typical step in the process for installing new hardware on a Mac OS X system?

Answer

Selected Answer: b.

configure dip switches

Correct Answer: b.

configure dip switches

Question 18

2 out of 2 points

Which of the following is used to connect the traditional Unix-based shared network printer?

Answer

Selected Answer:

d.

LPR

Correct Answer: d.

LPR

Question 19

2 out of 2 points

You have a hardcopy of a report that you found some errors on that must be corrected. The report is three pages long and you have about 20 minutes before a meeting you must attend to present the report. Unfortunately, the report was created on your laptop at home and you have no way of getting to it quickly. What is your best option?

Answer

Selected Answer: d.

scan the report and use OCR; fix the errors and re-print the report

Correct Answer: d.

scan the report and use OCR; fix the errors and re-print the report

Question 20

2 out of 2 points

You have attached a new USB camera to your computer but it doesn’t seem to be working. Which tool can you use to see if Windows successfully installed the driver and to see if the device is working correctly?

Answer

Selected Answer: a.

Device Manager

Correct Answer: a.

Device Manager

Wednesday, October 19, 2011 1:19:20 AM EDT

OK

Question 1

2 out of 2 points

You are planning to buy a new laptop computer. One of your primary concerns with this laptop is that it is reliable, can take a little physical abuse, and has pretty long battery life. The data you will store on it is only a couple dozen GB. Which storage technology should you use?

Answer

Selected Answer: c.

SSD

Correct Answer: c.

SSD

Question 2

2 out of 2 points

Which of the following is true about using GPT versus MBR?

Answer

Selected Answer: c.

GPT supports larger disks than MBR

Correct Answer: c.

GPT supports larger disks than MBR

Question 3

2 out of 2 points

Which of the following represents a valid Linux command to mount a CD/DVD drive?

Answer

Selected Answer: c.

mount -t iso9660 /dev/cdrom /cdrom

Correct Answer: c.

mount -t iso9660 /dev/cdrom /cdrom

Question 4

2 out of 2 points

Your server has been running with two hard disks for the last few months. You needed additional storage so you have just installed a third disk on your SCSI interface; however, when you reboot the computer, the SCSI drives are not recognized by the system. What is a possible cause?

Answer

Selected Answer:

d.

you neglected to re-install the terminator after the last disk

Correct Answer: d.

you neglected to re-install the terminator after the last disk

Question 5

2 out of 2 points

If you want to attach six hard drives to your computer using a single disk controller interface, which interface type should you choose?

Answer

Selected Answer: c.

SCSI

Correct Answer: c.

SCSI

Question 6

0 out of 2 points

A friend of yours has a Mac OS X Snow Leopard computer and he has just read something about hard drives sometimes failing. He is not very familiar with his computer’s built-in software and wants to know how he can back up his data. What should you tell him?

Answer

Selected Answer:

c.

use the GUI versions of dump and cpio

Correct Answer: b.

use the Time Machine Utility found on the Dock

Question 7

2 out of 2 points

Which of the following is NOT true about SSD drives compared to mechanical drives?

Answer

Selected Answer:

d.

they come in much larger storage configurations

Correct Answer: d.

they come in much larger storage configurations

Question 8

2 out of 2 points

You need to create new volumes and format a new disk you just installed on your Windows 7 computer. Which tool should you use?

Answer

Selected Answer: c.

Disk Management

Correct Answer: c.

Disk Management

Question 9

0 out of 2 points

You have a Windows 7 desktop computer that has a C: drive and a D: drive that are separate disks. You use the D: drive for storing data and applications. You are finding that you are almost out of disk space on the D: drive. What is a good solution to your disk space problem?

Answer

Selected Answer:

d.

extend the D: drive onto a storage area network

Correct Answer:

c.

convert the D: drive to dynamic, add a new drive and extend the D: volume onto the new drive

Question 10

2 out of 2 points

You are building a new computer and you have just installed Windows Server 2008. You have two hard disks that you want to configure for fault tolerance using a Windows RAID configuration. How should you set up your hard disk?

Answer

Selected Answer:

d.

configure the disks as dynamic disks and create the RAID

Correct Answer: d.

configure the disks as dynamic disks and create the RAID

Question 11

2 out of 2 points

You have a music collection that you want to backup to optical media such as some type of DVD/CD. You want to be able to use the same disc to do backups each time you update your collection. Which disc type should you use?

Answer

Selected Answer:

b.

DVD-RW

Correct Answer: b.

DVD-RW

Question 12

2 out of 2 points

Which of the following is NOT a Linux/Unix file or disk management command?

Answer

Selected Answer: c.

xterm

Correct Answer: c.

xterm

Question 13

2 out of 2 points

Which of the following is used for removable storage?

Answer

Selected Answer: b.

eSATA

Correct Answer: b.

eSATA

Question 14

0 out of 2 points

You are building a network that will have three servers. You want the servers to have access to storage that is separate from the servers themselves but you don’t want the traffic involved with accessing the storage to affect your corporate LAN. What technology should you use?

Answer

Selected Answer:

b.

eSATA with Ethernet

Correct Answer: a.

SAN with Fibre Channel

Question 15

2 out of 2 points

You have a mission-critical server that you must back up on a daily basis. You start the backup when you leave at night and the backup must be finished the next morning with no user intervention. Your server has a storage capacity of almost 2 TB. Which tape media will hold all

of your server’s storage on a single tape?

Answer

Selected Answer: c.

SDLT

Correct Answer: c.

SDLT

Question 16

2 out of 2 points

Which of the following is NOT a possible advantage of using RAID versus single-disk configurations?

Answer

Selected Answer: a.

lower cost

Correct Answer: a.

lower cost

Question 17

2 out of 2 points

Which of the following media types has the most storage capacity?

Answer

Selected Answer: d.

fixed hard disk

Correct Answer: d.

fixed hard disk

Question 18

0 out of 2 points

A Terabyte is the same as which of the following values?

Answer

Selected Answer: d.

100 GB

Correct Answer: a.

1,000,000 MB

Question 19

2 out of 2 points

Which of the following statements is NOT true of cloud storage?

Answer

Selected Answer:

c.

you connect to cloud storage using a local SAN

Correct Answer: c.

you connect to cloud storage using a local SAN

Question 20

2 out of 2 points

You have a server with four SCSI disks. You have just installed a fifth SCSI disk into the server. After a reboot of the system, your disk controller only recognizes three of the five disks. What is a likely cause of the problem?

Answer

Selected Answer: d.

the new disk’s address conflicts with one of the other disk’s address

Correct Answer: d.

the new disk’s address conflicts with one of the other disk’s address

Thursday, October 27, 2011 5:21:00 AM EDT

OK

Question 1

0 out of 2 points

When accessing the Internet through a wi-fi connection, which of the following is NOT a suggested security measure you should follow?

Answer

Selected Answer: b.

disable SSID display

Correct Answer: a.

disallow all incoming packets

Question 2

2 out of 2 points

Which of the following is true about using software-based modems?

Answer

Selected Answer:

a.

they use more memory and CPU cycles than hardware-based modems

Correct Answer: a.

they use more memory and CPU cycles than hardware-based modems

Question 3

2 out of 2 points

Which of the following is NOT a component in a typical satellite Internet connection?

Answer

Selected Answer: c.

twisted-pair cable from dish to modem

Correct Answer: c.

twisted-pair cable from dish to modem

Question 4

0 out of 2 points

Which of the following is true about cable modem connections.

Answer

Selected Answer: b.

upstream data rates are always lower than downstream data rates

Correct Answer: d.

DOCSIS 3.0 combines multiple channels to increase speed

Question 5

0 out of 2 points

You have a laptop with a built-in analog modem. You are at a hotel and must connect to the company network with the modem. The hotel phone system requires that you dial a 9 before the phone number. You have found that it takes a second or two to get a dial-tone after you dial the 9. What command should be used on the modem to dial the number: 928-555-1932?

Answer

Selected Answer: c.

dt 99285551932

Correct Answer: a.

atdt 9,9285551932

Question 6

0 out of 2 points

You have arrived at a customer site who is having problems using a modem attached to his Linux server. The GUI is not installed on the server. Which command can you use to verify and configure the modem?

Answer

Selected Answer:

a.

/dev/getty

Correct Answer: b.

minicom

Question 7

2 out of 2 points

You have been called to troubleshoot a satellite Internet connection. Based on your knowledge of how satellite communications work, which of the following is NOT likely to be the cause of the problem?

Answer

Selected Answer: b.

excessively bright sunlight

Correct Answer: b.

excessively bright sunlight

Question 8

2 out of 2 points

You are researching the possibility of upgrading your analog modem to ISDN. Which of the following is true about ISDN modems and connections?

Answer

Selected Answer:

b.

you can have a voice and data connection simultaneously

Correct Answer: b.

you can have a voice and data connection simultaneously

Question 9

2 out of 2 points

What protocol does a dial-up networking connection use to access the ISP for Internet communications?

Answer

Selected Answer:

d.

PPP

Correct Answer: d.

PPP

Question 10

0 out of 2 points

Data compression on modems is accomplished “on the fly” by using which of the following methods?

Answer

Selected Answer: b.

PKZIP

Correct Answer: a.

LZJH

Question 11

0 out of 2 points

You are analyzing a serial communication session. You are able to view each character as it is transmitted and received. You suspect a problem with the software flow control. Which of the following characters is involved in software flow control?

Answer

Selected Answer: a.

Ctrl-O

Correct Answer: b.

Ctrl-S

Question 12

2 out of 2 points

While considering whether to use DSL for an Internet connection, which of the following is NOT a valid consideration?

Answer

Selected Answer: d.

only a single user can access the Internet through a DSL connection

Correct Answer: d.

only a single user can access the Internet through a DSL connection

Question 13

2 out of 2 points

Which of the following is NOT a component of an analog modem?

Answer

Selected Answer:

d.

CSMA/CD

Correct Answer: d.

CSMA/CD

Question 14

2 out of 2 points

You are verifying a computer’s parity checking by analyzing the bits received through a serial communication port. The system is set for even parity. Which of the following bit streams indicates a parity error?

Answer

Selected Answer:

b.

111000011

Correct Answer: b.

111000011

Question 15

0 out of 2 points

You are configuring an analog modem for a point-of-sale device and are deciding which modulation protocol to choose. Which of the following is NOT one of your choices.

Answer

Selected Answer: c.

V.90

Correct Answer: b.

V.44

Question 16

0 out of 2 points

In Unix/Linux, you refer to the first modem on the computer using which of the following?

Answer

Selected Answer: a.

/dev/ttys1

Correct Answer: b.

/dev/ttys0

Question 17

2 out of 2 points

You are weighing the benefits of the major communications technologies. Your main concern is having a high bandwidth connection to the Internet. Which of the following technologies provides the highest bandwidth connections?

Answer

Selected Answer:

c.

Cable modem

Correct Answer: c.

Cable modem

Question 18

2 out of 2 points

Which of the following standards is used my modems for error checking?

Answer

Selected Answer: d.

v.42

Correct Answer: d.

v.42

Question 19

0 out of 2 points

When connecting to an analog modem using Windows XP, which of the following is a possible port name through which you communicate to the modem?

Answer

Selected Answer:

d.

UART0

Correct Answer: b.

COM2

Question 20

0 out of 2 points

You have a Mac computer that you need to connect to the Internet. The only network connection available on the computer is a Bluetooth adapter. You are in range of a wi-fi hotspot that you have access to. What, if anything can you do to connect this computer to the Internet?

Answer

Selected Answer:

b.

create a DUN using Network and Sharing Center and connect to your Bluetooth phone

Correct Answer:

d.

configure a Bluetooth DUN on the Mac to use your Bluetooth phone’s Internet connection

Thursday, November 3, 2011 11:56:32 PM EDT

OK

Question 1

2 out of 2 points

Which of the following is NOT a likely consideration when purchasing a NIC?

Answer

Selected Answer: a.

the MAC address of the NIC

Correct Answer: a.

the MAC address of the NIC

Question 2

2 out of 2 points

You have been hired to design a small office network that will have 10 workstations and two servers. You want to use a network topology that is flexible for future growth and performance enhancements. Which topology should you choose?

Answer

Selected Answer:

b.

star

Correct Answer: b.

star

Question 3

0 out of 2 points

You are called in to a business that just expanded its network onto another floor of the building. There are 30 stations on each floor. You have been told that the two groups of computers must be able to communicate but for security reasons, there must be a way to filter communication between the two networks. What device do you recommend?

Answer

Selected Answer: c.

wireless access point

Correct Answer: b.

router

Question 4

0 out of 2 points

Which of the following accurately describes a function of a LAN?

Answer

Selected Answer: a.

uses a modem to connect to an ISP

Correct Answer: b.

uses switches to connect computers

Question 5

2 out of 2 points

Which of the following enables the NIC to format data for a protocol and identify the most efficient methods for transporting it?

Answer

Selected Answer:

c.

binding

Correct Answer: c.

binding

Question 6

0 out of 2 points

You are designing a new network that will use TCP/IP. You are trying to decide which class of IP address you should use. There will be several thousand nodes on the network and you want to use an address class suitable for medium-sized networks. What address class should you use?

Answer

Selected Answer:

a.

class D

Correct Answer: c.

class B

Question 7

2 out of 2 points

You are trying to decide which media you should use to connect the computers in a small business network that will have 15 computers. You want media that works well with LANs, is reasonably priced and is fairly flexible to aid installation. After reading about the various media available, what should you use?

Answer

Selected Answer: c.

UTP

Correct Answer: c.

UTP

Question 8

2 out of 2 points

Which of the following is NOT a typical function of a client operating system?

Answer

Selected Answer: b.

authenticates clients to access the network

Correct Answer: b.

authenticates clients to access the network

Question 9

2 out of 2 points

Which of the following is NOT a common function of a network protocol?

Answer

Selected Answer:

b.

schedule network applications to run

Correct Answer: b.

schedule network applications to run

Question 10

2 out of 2 points

Which protocol enables routers to build tables of routing information?

Answer

Selected Answer:

d.

RIP

Correct Answer: d.

RIP

Question 11

0 out of 2 points

You need to connect two groups of about 20 computer each that are located on different floors of a building. Which media type will work best for this scenario?

Answer

Selected Answer: b.

UTP

Correct Answer: c.

fiber-optic

Question 12

2 out of 2 points

You have a server on your network that your users frequently access. You don’t want the server’s address to change. What type of addressing method should you use?

Answer

Selected Answer: d.

static

Correct Answer: d.

static

Question 13

2 out of 2 points

Which of the following is true of IPv6 addresses?

Answer

Selected Answer: b.

they are 128 bits in length

Correct Answer: b.

they are 128 bits in length

Question 14

0 out of 2 points

You are setting up a wireless network. The environment in which this network will run has several other devices such as cordless phones that run in the 2.4 GHz frequency range. You want to avoid conflicts with other devices. Which wireless standard should you consider?

Answer

Selected Answer:

d.

802.11g

Correct Answer: b.

802.11a

Question 15

0 out of 2 points

Which of the following is true of Ethernet?

Answer

Selected Answer:

a.

uses CSMA/CA

Correct Answer: b.

Fast Ethernet is 100 Mbps

Question 16

0 out of 2 points

Which of the following is a task typically performed by TCP?

Answer

Selected Answer: d.

fragments packets as needed

Correct Answer: b.

closes communication session

Question 17

2 out of 2 points

A colleague has asked you where the media access control address of his computer is located? What do you tell him?

Answer

Selected Answer: a.

NIC

Correct Answer: a.

NIC

Question 18

2 out of 2 points

You are diagnosing a network communication problem on a computer that uses the TCP/IP protocol. What address can you use to test network services without actually accessing the network?

Answer

Selected Answer: c.

127.0.0.1

Correct Answer: c.

127.0.0.1

Question 19

0 out of 2 points

You have been told by a colleague that the type of network in use at a new client site uses fixed-length payloads and has information in the header that allows the data unit to be routed according to the type of data carried within the unit. What type of data unit is in use?

Answer

Selected Answer: d.

packet

Correct Answer: c.

cell

Question 20

2 out of 2 points

You are troubleshooting a problem with a network that is composed of several subnets connected by routers. You have determined that the problem lies with the packet routing function. Which of the following is most responsible for this function?

Answer

Selected Answer: a.

IP

Correct Answer: a.

IP

Friday, November 11, 2011 3:01:48 AM EST

OK

Instructions

Question 1

2 out of 2 points

You need to create a user on your Red Hat Enterprise Linux system. What command should you use?

Answer

false

Selected Answer:

c.

useradd

Correct Answer: c.

useradd

Question 2

0 out of 2 points

You have a multi-domain Windows Server 2008 forest. You need to make a shared folder available to users from several domains. What type of group should you create to add the users to and assign permissions to the resource?

Answer

Selected Answer:

d.

Global

Correct Answer: b.

Universal

Question 3

2 out of 2 points

Which account feature can be configured to prevent a user from logging in after incorrectly entering the password a number of times?

Answer

Selected Answer:

d.

Account lockout

Correct Answer: d.

Account lockout

Question 4

0 out of 2 points

Which of the following is the correct syntax for specifying a shared folder on a server in Windows?

Answer

Selected Answer:

c.

\\server\drive:\share

Correct Answer: b.

\\server\share

Question 5

0 out of 2 points

Which of the following is true about permissions on an NTFS volume?

Answer

Selected Answer:

a.

a file that is copied from a FAT volume to an NTFS volume has no permissions set

Correct Answer: d.

a file that is moved to another volume inherits the parent folder’s permissions

Question 6

0 out of 2 points

Which of the following is a valid permission in the Linux file system?

Answer

Selected Answer: a.

Modify

Correct Answer: d.

Write

Question 7

0 out of 2 points

Which of the following is NOT an event type that can be set up for logging using Server Admin on Mac OS X Server?

Answer

Selected Answer:

a.

Opened files

Correct Answer: d.

Installation of applications

Question 8

0 out of 2 points

You manage a multi-domain network, DomainA, DomainB, and DomainC. You have users from each domain that must have permission to a shared folder in DomainB. Which of the following represents the correct method of assigning these users permissions?

Answer

Selected Answer:

d.

Create a Global group in each domain.Add the users from the respective domains to the Global group. Add the Global groups to the share permissions list.

Correct Answer:

a.

Create a Universal group. Add the users from the domains to the Universal group and add the Universal group to the share permissions list.

Question 9

2 out of 2 points

Which of the following password security options enables the server to ‘remember’ a user’s previous passwords?

Answer

Selected Answer: b.

Enforce password history

Correct Answer: b.

Enforce password history

Question 10

0 out of 2 points

To protect user’s passwords on a Linux system, they can be kept in a file only available to the system administrator. What is the name of that file?

Answer

Selected Answer:

b.

/etc/passwd

Correct Answer: d.

/etc/shadow

Question 11

0 out of 2 points

You have shared a folder on a Windows server that is a part of a domain. You need to assign permissions to users so they can access the shared folder. Which type of group will you use to make the permissions assignment?

Answer

Selected Answer: b.

Local

Correct Answer: c.

Domain local

Question 12

0 out of 2 points

Which of the following permissions should you set on a shared printer in Windows to allow a junior administrator to configure the properties of the printer?

Answer

Selected Answer:

d.

Full Control

Correct Answer: c.

Manage Printers

Question 13

0 out of 2 points

You need to assign the read and execute permission to a folder named /docs/acctg to other. Which of the following commands does this?

Answer

Selected Answer: a.

chmod -rx o /docs/acctg

Correct Answer: b.

chmod o +rx /docs/acctg

Question 14

0 out of 2 points

You have just successfully created a user named acoulter on your Red Hat Enterprise Linux system. You left the password blank so the user can easily log on and create her own password. The user calls you and informs you she cannot logon. She has tried several times and has used a

blank password but still cannot logon. What is likely to be the problem?

Answer

Selected Answer: d.

you didn’t add the user to the right group

Correct Answer: b.

the account is disabled

Question 15

2 out of 2 points

Which of the following is NOT included in the Linux password (/etc/passwd) file?

Answer

Selected Answer: d.

user permissions

Correct Answer: d.

user permissions

Question 16

2 out of 2 points

Which permission to a folder should you give a user if that user should be able to create files but not read or execute files in that folder?

Answer

Selected Answer:

b.

Write

Correct Answer: b.

Write

Question 17

2 out of 2 points

Which of the following is NOT a function of a directory service?

Answer

Selected Answer:

b.

decentralizes user management

Correct Answer: b.

decentralizes user management

Question 18

2 out of 2 points

A user is complaining that he cannot open a file in a shared folder. He is able to open other files in the same shared folder. Which of the following could be the problem?

Answer

Selected Answer: a.

he has Read sharing permission but has a Deny permission on the file

Correct Answer: a.

he has Read sharing permission but has a Deny permission on the file

Question 19

0 out of 2 points

You need to specify which clients are allowed to access files on a UNIX/Linux system using NFS. What should you do?

Answer

Selected Answer: d.

configure the sharing permissions

Correct Answer: c.

edit the /etc/hosts.allow file

Question 20

0 out of 2 points

You are explaining to a colleague how to make a shared resource available on a Linux file system. Which of the following terms best describes what you should tell him?

Answer

Selected Answer:

d.

map a volume

Correct Answer: b.

mount a volume

Saturday, November 19, 2011 5:48:06 AM EST

OK

Question 1

2 out of 2 points

Which of the following is NOT true about using the ping utility?

Answer

Selected Answer:

c.

it cannot work through routers

Correct Answer: c.

it cannot work through routers

Question 2

2 out of 2 points

Which of the following is a general rule you should consider when configuring a page/swap file?

Answer

Selected Answer: d.

the initial size should be set to 1.5 times the amount of RAM

Correct Answer: d.

the initial size should be set to 1.5 times the amount of RAM

Question 3

2 out of 2 points

Which of the following RAID configurations uses disk striping and includes the ability to replace a failed drive and rebuild the RAID without shutting down the server?

Answer

Selected Answer:

d.

RAID 5

Correct Answer: d.

RAID 5

Question 4

2 out of 2 points

You find that disk operations on your server have gradually gotten slower. You look at the hard disk light and it seems to be almost constantly active and the disk seems noisier than when you first installed the system. What is the likely problem?

Answer

Selected Answer: c.

the disk is fragmented

Correct Answer: c.

the disk is fragmented

Question 5

2 out of 2 points

Which of the following values is the recommended maximum percentage of disk space you should use for best reliability?

Answer

Selected Answer:

d.

80

Correct Answer: d.

80

Question 6

2 out of 2 points

Which of the following commands should you use to delete files on a Linux system?

Answer

Selected Answer: a.

rm

Correct Answer: a.

rm

Question 7

2 out of 2 points

Which of the following is NOT a good rule to follow when creating a file structure?

Answer

Selected Answer: b.

create a folder for deleted files to be stored temporarily

Correct Answer: b.

create a folder for deleted files to be stored temporarily

Question 8

2 out of 2 points

Which of the following is a database of information about the Windows operating system including customized settings and software installations?

Answer

Selected Answer: a.

registry

Correct Answer: a.

registry

Question 9

0 out of 2 points

Which of the following is a method to defragment a hard disk?

Answer

Selected Answer:

a.

copy the files to a server, reboot, and copy the files back to the disk

Correct Answer: b.

backup the disk and do a full restore

Question 10

2 out of 2 points

Which of the following is a file extension that indicates the file type of application in a Windows environment?

Answer

Selected Answer: c.

exe

Correct Answer: c.

exe

Question 11

2 out of 2 points

If your Mac OS system displays a message indicating it is low on memory, which of the following is NOT a remedy to this memory fragmentation problem?

Answer

Selected Answer: d.

plug in a USB flash drive

Correct Answer: d.

plug in a USB flash drive

Question 12

2 out of 2 points

Which of the following is NOT an argument for using RAID?

Answer

Selected Answer:

b.

decreased costs

Correct Answer: b.

decreased costs

Question 13

2 out of 2 points

Which command should you run on a Windows system to check for and fix problems with the file system?

Answer

Selected Answer:

c.

chkdsk

Correct Answer: c.

chkdsk

Question 14

2 out of 2 points

Which command should you use on a Linux system to find and print a list of files that begin with acctg that have been modified in the last 10 days?

Answer

Selected Answer: b.

find -name acctg* -mtime -10 -print

Correct Answer: b.

find -name acctg* -mtime -10 -print

Question 15

2 out of 2 points

Which of the following is a partial backup that backs up files with the archive attribute and then removes the archive attribute on those files?

Answer

Selected Answer:

a.

incremental

Correct Answer: a.

incremental

Question 16

2 out of 2 points

You have used Windows Performance monitor and you are trying to locate the files created by this application. What is the name of the folder where Windows store the results of Windows performance tests?

Answer

Selected Answer:

b.

PerfLogs

Correct Answer: b.

PerfLogs

Question 17

2 out of 2 points

Which software RAID levels do Windows server OSs provide?

Answer

Selected Answer:

d.

RAID 0, 1, 5

Correct Answer: d.

RAID 0, 1, 5

Question 18

0 out of 2 points

Which of the following is a true statement about rotating backup media?

Answer

Selected Answer: a.

media rotation is only necessary with tape drives

Correct Answer: c.

it can protect against media failure

Question 19

0 out of 2 points

If you analyze your disk and find that most of the files are stored contiguously on the disk, what should you do?

Answer

Selected Answer: a.

run a disk defragmenting utility

Correct Answer: b.

nothing

Question 20

0 out of 2 points

You manage a server that users store their document files on. You are finding that some users are utilizing more space than they should with some very large files. What can you do to prevent users from taking up too much space on the server?

Answer

Selected Answer: a.

set stricter share permissions

Correct Answer: b.

set up disk quotas