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The physical layer is responsible for __________
D. all of the mentioned
D. all of the mentioned
See lessThe physical layer provides __________
D. all of the mentioned
D. all of the mentioned
See lessBits can be sent over guided and unguided media as analog signal by ___________
A. digital modulation
A. digital modulation
See lessGeostationary satellites ___________
A. are placed at a fixed point above the earth
A. are placed at a fixed point above the earth
See lessIf an Optical Carrier is represented as OC-n, generally the link speed equals(in Mbps) __________
B. n*51.8
B. n*51.8
See lessFiber optics posses following properties __________
D. all of the mentioned
D. all of the mentioned
See lessCoaxial cable consists of _______ concentric copper conductors.
B. 2
B. 2
See lessWhich of this is not a guided media?
C. wireless lan
C. wireless lan
See lessData communication system within a building or campus is_______
A. lan
A. lan
See lessData communication system spanning states, countries, or the whole world is _______
B. wan
B. wan
See less