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What is expected when crosstalk is present in networks with higher transmission frequencies? (Choose two.)
jitter
increase in crosstalk
higher signal attenuation
increases in cancellation effect
destruction of more of the data signal
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A company needs to extend the LAN to six separate buildings. To limit the amount of signal attenuation on the LAN media, what type of media would be the best to use between the buildings?
air (wireless)
coaxial cable
fiber
shielded twisted pair
unshielded twisted pair
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What is a cause of crosstalk in UTP cable?
cable pairs that are shorted
cable pairs crossed during termination
cabling runs installed in separate conduit
cable pairs that are untwisted because of poor termination of the cable
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A small company is experiencing difficulties on its LAN. After performing some tests, a technician has determined that the copper media supporting the LAN is experiencing abnormal attenuation. What are two possible causes of the problem? (Choose two.)
defective connectors
excessively long cable lengths
use of higher grade cabling
low frequency signals used in the media
network cable runs isolated from other cables
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Which of the following describes frequency?
length of each wave
height of each wave
number of cycles each second
amount of time between each wave
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