Answer Chapter 9

8/9/2019 Answer Chapter 9

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Take Assessment - Practice Final Exam for ch 1-10 - IT Essentials (Version 4.0)

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Fans that are used to help cool a system are commonly placed on which two components? (Choose tw

sound card

CMOS

video card

RAID card

CPU

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A customer is considering an inkjet printer to print batches of colored documents that will be immedistacked and packaged for shipping. What advice should a technician give the customer?

The resolution of an inkjet printer is too low for this work.

An inkjet printer has limited color capability.

Immediately after printing, the ink is wet.

An inkjet printer is a high cost option.

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Refer to the exhibit. What type of device is highlighted in white?

touch pad

mouse

biometric authentication

Bluetooth

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The driver for a network interface card has been updated on a Windows XP computer. All network a been lost. Which steps in the Windows XP Classic View should be followed to roll back the networkcard driver?

Choose Start > Settings > Control Panel. Double-click System. Click the Hardware tab. ChooManager. Double-click the NIC adapter. Click the Driver tab. Click the Roll Back Driver butto

Choose Start > Settings > Control Panel. Double-click Network Connections. Right-click theChoose Properties > Uninstall.

Choose Start > Settings > Control Panel. Double-click System. Click the Hardware tab. ChooManager. Choose Action > Uninstall.

Choose Start > Settings > Control Panel. Double-click Add or Remove Programs. Click ChaBottom of Form

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Which port is used only for input?

PS/2







component

speaker

DVI

parallel

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Which type of power connector is used to connect devices such as optical drives and hard drives?

20-pin

24-pin

Berg

Molex

P8

P9

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Which steps lead to the window where the performance settings can be changed on a Windows XP cthat is using the classic view display?

Choose Start > Control Panel > System > Advanced > Performance area. Choose the Setting

Choose Start > Control Panel > System > Hardware > Device Manager > View > Resources

Choose Start > Control Panel > Administrative Tools > Performance area > VMem

Choose Start > All Programs > Accessories > System Tools > System Restore

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What is the default subnet mask for a Class A network?

0.0.0.255

0.0.255.255

0.255.255.255









255.0.0.0

255.255.0.0

255.255.255.0

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Refer to the exhibit. Which type of removable media is depicted?

hard disk

USB optical drive

PC card

flash drive

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A laptop user has noticed that connecting an external monitor, keyboard, and speaker each day is caudamage to the laptop connectors. What can the user do to prolong the life of the connectors?

Obtain devices which are specially designed for heavily used laptops.

Use only PCI devices.

Attach all of the devices to a USB hub.

Use a docking station.

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A technician installed Windows XP on a 20 GB SCSI drive but when the computer is started a NTLDmessage is displayed. Based on this information which file was most likely corrupted during installat









NTBOOTDD

HAL

NTSCSILDR

NTWINHAL

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What characterizes a DDoS attack?

Many hosts participate in a coordinated attack.

Infected computers are called Daemons.

It is easy to identify the source of the attack.

All hosts must be in the same geographic area.

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When installing a network adapter into a client computer, a technician notices that the contacts on the to be cleaned. Which solution should the technician use to clean the contacts?

glass cleaner

isopropyl alcohol

mild detergent

rubbing alcohol

slightly abrasive cleanser

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Refer to the exhibit. Which sequence of steps describes the printing process used by a laser printer?

1,2,3,4,5,6

2,5,3,4,1,6

3,4,1,6,2,5

4,2,6,5,3,1

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Employees in the financial department have reported that an unknown technician has been asking quabout the network. Which type of attack might the employees be observing?

phishing

social engineering

spoofing

spamming

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Which two items are considered proper cleaning tools? (Choose two.)

compressed air

antistatic mat

soft cloth

antistatic wrist strap

flat-head screwdriver

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A user reports that a printer is printing unknown characters on documents. What is a possible solutioissue?

Replace the toner or ink cartridge.

Uninstall and reinstall the printer driver.

Replace the paper with some from a new ream.

Delete the print job from the queue and print again.

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What are the four layers in the TCP/IP reference model?

HTTP, TCP, IP, Ethernet

TCP, IP, Ethernet, IEEE

application, transport, internet, network access

application, presentation, session, transport

physical, data link, network, transport

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When starting a computer, a customer can no longer select two of the operating systems that are instafile may be corrupted and causing this error?

BOOT.INI

STARTUP.INI

SYSTEM.INI

WIN.INI

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Refer to the exhibit. Which type of device uses the connector shown in the graphic?

DVD drive

keyboard

NIC

RAM

sound card

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At which TCP/IP model layer would a MAC address be found?

application

transport

internet

network access

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Which three rules increase the level of password strength? (Choose three.)

Passwords should never expire.

Passwords should be a combination of letters and numbers.

Passwords should combine a user's special dates and initials so they can be alphanumeric.

Passwords should be changed by the user after specific periods of time.

Password expiration and lockout policies should be clearly defined.

Passwords should be short to reduce the chances of users forgetting them.

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A technician is troubleshooting a computer that is experiencing hardware failure detected by the BIOone way this failure is indicated?

The computer automatically boots into Safe Mode and displays a warning on the screen.

The screen flashes with a red background and displays a warning message.

The computer emits a pattern of beeps indicating the failing device.

The computer returns an error message indicating the I/O address of the failing device.

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A customer complains that a scanner has suddenly stopped producing clear images. Which preventivmaintenance task has the customer most likely forgotten to do?

update the firmware

visually inspect the scanner glass

remove dust from the fans

inspect the scanner cables

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A technician has installed and configured an external projector on a laptop. What is the final task themust perform for the image to be displayed through the projector?

Press the function key sequence to activate the image on the projector.

Disconnect the laptop from AC power.

Reboot the laptop into dual monitor mode.

Turn audio and video off on the laptop and on for the projector.

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A technician has been asked to find how a hacker keeps breaking in to a computer. Which security prwas most likely missed when the operating system was first installed?

A user account was not created.

The hard drive was not formatted with NTFS.











The OS product key was not entered.

A password was not assigned to the default administrator account.

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Which power management method offers the most power management features?

ACPI

AMP

APM

UPS

WPM

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What must be done before a technician cleans a very dirty LCD screen on a laptop?

Place the laptop in standby mode.

Remove the screen from the laptop.

Remove the battery.

Enable the autoclean setting in the BIOS.

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A technician notices that an application is not responding to commands and that the computer seems slowly when applications are opened. What is the best administrative tool to use correct this problem

Task Manager

Add or Remove Programs

Event Viewer

System Restore

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A student wishes to buy a computer suitable for game playing. What CPU speed would be appropria playing?

44.1 MHz

100 MB/s

3 GHz

1 TB

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Which type of scanner generally has high costs but produces top-quality images?

all-in-one

drum

handheld

flatbed

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Which program checks for installed hardware during the Windows XP boot process?

HALL

NTLDR

NTDETECT

NTOSKRNL

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A network specialist has been hired to install a network in a company that assembles airplane engineof the nature of the business, the area is highly affected by electromagnetic noise. Which type of netwshould be recommended?

Category 5e

coaxial

fiber optic

UTP









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Which environmental factor helps ensure optimal performance for laptops?

The humidity level should always be below 20 percent.

Temperature should be preferentially between 45 to 90 degrees Fahrenheit (7 to 32 degrees Celsioverheating.

In dusty conditions, laptop vents should be partially covered to prevent the internal components dirty.

Laptops should be cleaned every month or the internal components will be damaged.

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A customer who owns a business that creates high-quality color graphic images wants a new printer.

customer already has an ink-jet printer. Which type of printer would be a good recommendation?dot-matrix

solid-ink

daisy-wheel

thermal

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Which type of standard interface allows users to connect and disconnect peripheral devices while theis running without having to restart?

IDE

SATA

PATA

USB

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A home PC user has been using an XP system for about a month when it suddenly refuses to comple processes. The POST completes successfully but the XP boot does not result in a login screen. What cause of this problem?

The network connection failed.











The printer driver is corrupted.

The keyboard or mouse is not plugged in.

The operating system has not been registered.

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The company ABC reports that unauthorized communication from outside the network has caused se problems in the finance department. Which software tool will help prevent this situation from occurrthe future?

antivirus program

firewall

network analyzer

spyware program

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Which key or key sequence pressed during the boot process will allow a user to restart a Windows Plast known good configuration?

F1

F8

F12

Alt-Z

Windows key

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A technician powers on a computer and opens a web page. A message that the web page could not be

appears. After checking the URL, the technician verifies that this is the problem that was reported bycomputer owner. What would be the next step in the troubleshooting process for the technician?

Replace the NIC.

Replace the network cable.

Verify user permissions.









Verify the computer IP address information.

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A network administrator has finished migrating from a peer-to-peer network to a new client-server nconfiguration. What are two advantages of the new configuration? (Choose two.)

The total cost of the new solution is considerably lower.

Data is more secure in the event of hardware failures.

Individual users are in control of their own computers and network resources.

Data resources and access are centrally controlled.

Personnel costs are lower because a dedicated network administrator is no longer necessary.

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What is the purpose of using thermal compound when installing a CPU, a heat sink, and a fan assemmotherboard?

to insulate the CPU from the heat sink

to attach the heat sink firmly to the CPU

to conduct heat that is generated by the CPU to the heat sink

to ensure an electrical connection between the CPU and heat sink

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A customer is experiencing repeated paper jams on a laser printer. Which quick solution might corre problem?

Power cycle the printer.

Download and install a new printer driver.

Replace the paper in the input tray with new paper.

Remove and replace the primary corona wire.

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The IT department reported that the web server is receiving an abnormally high number of web pagefrom different locations simultaneously. Which attack characterizes this type of situation?











adware

DDoS

phishing

social engineering

spyware

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Once a technician understands a customer complaint, it is common to ask close-ended questions. Whis a close-ended one?

What happened before the error occurred?

Is this the first time the error occurred?

What happened after the error occurred?

What error messages were displayed when the error occurred?

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Which two memory types are installed using Dual Inline Memory Module (DIMM) slots? (Choose tw

cache memory

DDR SDRAM

FPM DRAM

SDRAM

SRAM

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After Windows XP has been installed, which program would a technician use to select the programs at startup?

ntldr

regedit









msconfig

Task Manager

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What guideline should be followed when establishing a password security policy?

Passwords should be physically stored in a convenient location.

Passwords should contain mainly numbers for better encryption.

The system administrator should assign passwords to the users.

Lockout policies should be avoided in order to increase user access.

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Why does the cable from the power supply to the motherboard have different colored wires?

A single wire could not carry enough current.

There is one wire for each motherboard component.

Each wire carries a different voltage.

The motherboard slot requires the number of wires that are represented by the different colors.

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A Windows XP laptop user finds that the low battery alarm does not give enough warning. Where caadjust the alarm setting to issue an earlier warning?

in Power Options Properties

in the BIOS

in the System Tray on the desktop

on the battery

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Answer Chapter 9