WGU C172 Network & Security Chapter 2 Exam Questions and certified Answers 2024/2025
How many wires are used in an Ethernet cable to transmit 10Mbps-100Mbps of data? - correct answer 4
How many wires are used in an Ethernet cable to transmit 1Gpbs-10Gbps of data? - correct answer 8
link - ...
How many wires are used in an Ethernet cable to transmit 10Mbps-100Mbps of data? -
correct answer 4
How many wires are used in an Ethernet cable to transmit 1Gpbs-10Gbps of data? -
correct answer 8
link - correct answer point from one cable termination to another
full channel - correct answer consists of all the link elements from the wall plate to the
hub or switch
attenuation - correct answer also called insertion loss, this is the amount of loss in the
signal strength as it propagates down a wire or fiber strand
near-end crosstalk (NEXT) - correct answer a measure of the level of crosstalk or
signal coupling within the cable, with a high NEXT (dB) value being desirable
How do you figure out the limit on the bend radius of a cable? - correct answer the limit
on the bend radius is four times the outer jacket diameter
Alien Crosstalk (AXT) - correct answer Unwanted signal coupling from one permanent
link to another
Balanced Mode - correct answer Neither wire in the wire pairs connects to ground
CAT6 (category 6) - correct answer Twisted-pair cables capable of carrying up to
1000Mbps (1 gigabit) of data up to a length of 100 meters
, CAT7/7a and CAT6a - correct answer UTP cable standards that support 10GB date
rates for a length of 100 meters
Color Map - correct answer The specification of which wire color connects to which pin
on the connector
Crossover Cable - correct answer Transmit and receive signal pairs are crossed to
properly align the transmit signal on one device with the receive signal on the other
device
Crosstalk - correct answer Signal coupling in a cable
EIA/TIA 568-B - correct answer The standard that defines the six subsystems of a
structured cabling system
ELTCTL - correct answer Equal Level Transverse Conversion Transfer Loss
EMI - correct answer Electromagnetic interference
Entrance Facilities (EF) - correct answer A room set aside for complex electronic
equipment
F/UTP - correct answer Foil over twisted-pair cabling
Hybrid Echo Cancellation Circuit - correct answer Removes the transmitted signal from
the receive signal
IEEE 802.3an-2006 10GBASE-T - correct answer The standard for 10Gbps
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