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CCNA1 v3 Module 4
v3v3CCNA 1
Module 4
JEOPARDY
S Dow
CCNA1 v3 Module 4
RouterRouterModesModes
WANWANEncapsulationEncapsulation
WANWANServicesServices
RouterRouterBasicsBasics
RouterRouterCommands Commands
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RouterRouterModesModes
WANWANEncapsulationEncapsulation
WANWANServicesServices
RouterRouterBasicsBasics
RouterRouterCommands Commands
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AcronymsAcronyms WavesWaves MeasurementMeasurement ProblemsProblems X TalkX Talk TestingTesting
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► ► ► F i n a l J e o p a r d y ◄ ◄ ◄
CCNA1 v3 Module 4
Question
dB
Acronyms100
A: What is a Decibel?
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CCNA1 v3 Module 4
QuestionA: What is Radio Frequency Interference?
RFI
CCNA1 v3 Module 1
Acronyms200
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CCNA1 v3 Module 4
Question
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A: What is Electromagnetic Interference?
EMI
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Acronyms300
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Question
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A: What is Near End Crosstalk?
NEXT
CCNA1 v3 Module 1
Acronyms400
CCNA1 v3 Module 4
Question
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A: What is Time Domain Reflectometer?
TDR
Acronyms500
CCNA1 v3 Module 4
Question
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A: What are On and Off?
The two states of a digital signal
Waves100
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CCNA1 v3 Module 4
Question
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A: What are Sine Waves?
Analogue signals travel in this pattern
Waves 200
CCNA1 v3 Module 4
Question
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A: What are Square Waves?
Digital signals travel in this pattern
Waves 300
CCNA1 v3 Module 4
Question
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A: What are Volts?
Amplitude of an electrical signal is measured in these units
Waves 400
CCNA1 v3 Module 4
Question
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A: What is a Period?
This term describes the time to complete one wave cycle
Waves 500
CCNA1 v3 Module 4
Question
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A: What are Binary, Decimal and Hexadecimal ( Base 2, 10 and 16?
The three number systems used in
networking
Measurement100
CCNA1 v3 Module 4
Question
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A: What are Decibels?
These units are used to measure the gain or loss of power
Measurement 200
CCNA1 v3 Module 4
Question
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A: What are Hertz (Hz)?
Analogue bandwidth is measured in these units
Measurement 300
CCNA1 v3 Module 4
Question
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A: What is Bits per second (bps)?
Digital bandwidth is measured in this unit
Measurement 400
CCNA1 v3 Module 4
Question
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A: What is the Signal Ground?
When properly grounded, this reference level measurement should be zero volts
Measurement 500
CCNA1 v3 Module 4
Question
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A: What is Jitter?
This term describes a problem where echoes are received at different intervals
Problems100
CCNA1 v3 Module 4
Question
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A: What is Attenuation?
The decrease in signal amplitude (strength) as the signal travels to its destination
Problems 200
CCNA1 v3 Module 4
Question
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A: What is –12dB?
The better attenuation measurement: -12dB or –62dB
Problems 300
CCNA1 v3 Module 4
Question
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A: What is White Noise?
Noise that affects all transmission frequencies
Problems 400
CCNA1 v3 Module 4
Question
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A: What is an Impedance Discontinuity?
This condition causes a signal to be reflected back towards the source
Problems 500
CCNA1 v3 Module 4
Question
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A: What is Crosstalk?
Transmission of a signal from one wire to a nearby wire
X Talk100
CCNA1 v3 Module 4
Question
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A: What is Alien Crosstalk?
Transmission of a signal from one cable to another cable
X Talk 200
CCNA1 v3 Module 4
Question
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A: What is a Power Sum NEXT (PSNEXT)?
The cumulative measure of crosstalk on a wire pair from signals sent on the three wire pairs on the cable
X Talk 300
CCNA1 v3 Module 4
Question
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A: What is a Far End Crosstalk (FEXT)?
Crosstalk that occurs away from the cable tester and attenuates as it approaches the tester
X Talk 400
CCNA1 v3 Module 4
Question
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A: What is Near End Crosstalk (NEXT)?
The ratio of voltage amplitude between the test signal and the Crosstalk signal when measured from the same end of the link
X Talk 500
CCNA1 v3 Module 4
Question
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A: What are Pins 3 and 6?
An NIC receives signals on these two pins
Testing100
CCNA1 v3 Module 4
Question
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A: What is a Wire map test?
11010111 – in hexadecimal.
Testing 200
CCNA1 v3 Module 4
Question
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A: What are Shorts and Opens?
A TDR Test measures not only cable length, but also the location of these
Testing 300
CCNA1 v3 Module 4
Question
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A: What is Cat6 Cable?
This type of cable must be capable of carrying a 250mHz signal with low crosstalk levels
Testing 400
CCNA1 v3 Module 4
Question
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A: What are Improperly Installed Connectors?
This is the main cause of signal loss in any type of cable
Testing 500
CCNA1 v3 Module 4
QuestionA: What are T568A, and T568B?
These are the two standards for the order of wires developed by the TIA/EIA
Final Jeopardy
CCNA1 v3 Module 1
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