CCNA 1

1
CCNA 1
V3.1
JEOPARDY

• Module 4

T Dean
2
Router Modes
WAN Encapsulation
WAN Services
Router Basics
Router Commands
Router Modes
WAN Encapsulation
WAN Services
Router Basics
Router Commands
Acronyms
Waves
Measures
Problems
X Talk
Testing
? ? ? F i n a l J e o p a r d y ? ? ?
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200
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500
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3
Acronyms100
DB
A What is Decibel?
4
Acronyms200
RFI
A What is Radio Frequency Interference?
5
Acronyms300
EMI
A What is Electromagnetic Interference?
6
Acronyms400
NEXT
A What is Near End Crosstalk?
7
Acronyms500
TDR
A What is the Time Domain Reflectometer?
8
Waves 100
The two states of a digital signal.
A What are ON and OFF?
9
Waves 200
Analog signals travel in this pattern.
A What are Sine Waves?
10
Waves 300
Digital signals travel in this pattern.
A What are Square Waves?
11
Waves 400
Amplitude of an electrical signal in measured in
these units.
A What are Volts?
12
Waves 500
This term describes the time to complete one wave
cycle.
A What is a Period?
13
Measures 100
The three numbering systems used in networking.
A What are Binary, Decimal and Hexadecimal?
14
Measures 200
These units are used to measure the gain or loss
of power in a signal.
A What are decibels?
15
Measures 300
Analog bandwidth is measured in these units.
A What are Hertz or Cycles per Second?
16
Measures 400
Digital Bandwidth is measured in this unit or
multiples of this unit.
A What is a bits per seconds?
17
Measures 500
When properly grounded, this reference level
measurement should be zero volts.
A What is the signal ground or signal reference
ground?
18
Problems 100
This term describes a problem where echos are
received at different intervals.
A What is jitter?
19
Problems 200
The decrease in signal amplitude (strength) as
the signal travels to its destination.
A What is attenuation?
20
Problems 300
The better attenuation measurement -12dB or
-62dB?
A What is -12dB?
21
Problems 400
Noise affecting all transmission frequencies.
A What is White Noise?
22
Problems 500
This condition causes a signal to be reflected
back toward the source.
A What is Impedance Discontinuity?
23
X Talk 100
Transmission of a signal from one wire to a
nearby wire.
A What is crosstalk?
24
X Talk 200
Transmission of a signal from one cable to a
separate cable.
A What is Alien Cross Talk?
25
X Talk 300
The cumulative measure of crosstalk on a wire
pair from signals sent on the other three wire
pairs in a cable.
A What are Power Sum NEXT or PSNEXT?
26
X Talk 400
Crosstalk that occurs away from the cable tester
and attenuates as it approaches the tester.
A What is Far End Crosstalk or FEXT?
27
X Talk 500
The ratio of voltage amplitude between the test
signal and the crosstalk signal when measured
from the same end of the link.
A What is Near End Cross Talk or NEXT?
28
Testing 100
A NIC receives a signal on these two pins.
A What is Pins 3 and Pins 6?
29
Testing 200
This is used to verify that all eight wires are
connected to the correct pins.
A What is a Wire Test Map?
30
Testing 300
A TDR test measures not only the cable length,
but also the location of these.
A What are Shorts and Opens?
31
Testing 400
This type of cable must be capable of carrying a
250mHz signal with low levels of cross talk.
A What is Cat 6 cable?
32
Testing 500
This is the main cause of signal loss in any type
of cable.
A What are improperly installed connectors?
33
Final Jeopardy
These are the two standards for the order of
wires developed by the TIA/EIA.
A What are TIA/EIA/ANSI 568A and T568B?