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
Network collisions occur
Repeaters cannot increase the signal strength sufficiently
Cable terminators do not absorb the signal properly
Cable terminators do not reflect the signal properly

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Computer Networking
The fundamental requirements of private-to-public network interconnection methods which need to be provided in gateways is/are

to assign address to private network DTEs
A and B both
adequate cost control mechanisms for administration of the private networks
universal accessibility for private network Data Terminal Equipment (DTE)
None of these

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