CCNA1 v3 Module 4

v3v3CCNA 1

Module 4

JEOPARDY

K. MartinG. Valencia

CCNA1 v3 Module 4

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AcronymsAcronyms WavesWaves Measurem.Measurem. 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

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A: What is Decibel?

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CCNA1 v3 Module 4

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QuestionA: What is Radio Frequency Interference?

RFI

CCNA1 v3 Module 4

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Question

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A: What is Electromagnetic Interference?

EMI

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A: What is Near End Crosstalk?

NEXT

CCNA1 v3 Module 4

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Question

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A: What is Time Domain Reflectometer?

TDR

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Question

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A: What are On and Off??

The two states of a digital signal

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CCNA1 v3 Module 4

Question

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A: What are Sine Waves?

Analog signals travel in this pattern

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CCNA1 v3 Module 4

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A: What are Square Waves?

Digital signals travel in this pattern

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CCNA1 v3 Module 4

Question

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A: What are Volts?

Amplitude of an electrical signal is measured in these units

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CCNA1 v3 Module 4

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A: What is a Period?

This term describes the time to complete one wave cycle

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CCNA1 v3 Module 4

Question

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A: What are Binary, Decimal, and Hexadecimal?

The three number systems used in networking

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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

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A: What are Hertz (Hz)?

Analog bandwidth is measured in these units

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CCNA1 v3 Module 4

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A: What is Bits Per Second (bps)?

Digital bandwidth is measured in this unit

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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

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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

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A: What is Attenuation?

The decrease in signal amplitude (strength) as the signal travels to its destination

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A: What is -12dB?

The better attenuation measurement:

-12dB or -62dB

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CCNA1 v3 Module 4

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A: What is White Noise?

Noise that affects all transmission frequencies

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A: What is an Impedance Discontinuity?

This condition causes a signal to be reflected back toward the source

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CCNA1 v3 Module 4

Question

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A: What is Crosstalk?

Transmission of a signal from one wire to a nearby wire

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A: What is Alien Crosstalk?

Transmission of a signal from one cable to another cable

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CCNA1 v3 Module 4

Question

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A: What is Power Sum NEXT (PSNEXT)?

The cumulative measure of crosstalk on a wire pair from signals sent on the other three wire pairs in a cable

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CCNA1 v3 Module 4

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A: What is Far End Crosstalk (FEXT)?

Crosstalk that occurs away from the cable tester and attenuates as it approaches the tester

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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

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CCNA1 v3 Module 4

Question

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A: What are Pins 3 and 6?

A NIC receives signals on these two pins

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CCNA1 v3 Module 4

Question

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A: What is a Wire Map Test?

This is used to verify that all eight wires are connected to the correct pins

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CCNA1 v3 Module 4

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A: What are Shorts and Opens?

A TDR test measures not only cable length, but also the location of these

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CCNA1 v3 Module 4

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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

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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

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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

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