Computer Networking
Bandlimited signal is

simultaneous transmission of data to a number of stations
None of these
a signal all of whose energy is contained within a finite frequency range
All of these
transmission of signals without modulation

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Computer Networking
Ethernet networks can be cabled in a number of topologies, depending on what works best in each environment. As more nodes are added, the efficiency of Ethernet decreases. Select the best answer as to why Ethernet becomes less efficient as size increases.

"Line echo" occurs due to the impedance of the cable
Cable terminators do not reflect the signal properly
Cable terminators do not absorb the signal properly
Repeaters cannot increase the signal strength sufficiently
Network collisions occur

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