SO_deck_4756149 Flashcards
What is the different between serial and parallel cable? pg 72
Parallel cable communicates in bits and are send in groups, while serial are send one after the other in bits.
What is the maximum number of external USB devices that can be connected? pg 72
127
Has a network administrator, what should you consider before choosing a cable type to use? pg 73
Transmission speeds, distance, duplex, noise immunity and frequency
T/F twisted- pair cable should have a maximum segments length of 100 meters. pg 74
True
What cable will you recommend to a company the is concern about wire tapping? pg 75
Fiber Optic cable
Why is it difficult to wire tap a fiber optic cable? pg 75
Because it carry the signal as light on a glass or pure plastic strand…. and light is not susceptible to magnetic flux.
Bonus Questn…….. In data link layer (layer 2)which device designed to forward data packets between LAN segments pg Samson
Switch
Y/N Signal is measured as bandwidth and the capacity to carry the signal in a cable is measured in bandwidth pg 75
No cable is measured in frequency
T/F Twisted cable help prevent or reduce EMI and Tapping? pg 76
True
T/F Thoughput is double and communication is more effective in a half-duplex
False
