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.

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

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Computer Networking
Which of the following characteristic(s) is/are suited to the PSS applications?

All of these
widely dispersed terminals and access to international packets switched services
Multiple remote host or applications accessed by a single local access circuit terminal and circuit
bursty traffic and low communications intensity
None of these

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