Computer Networking
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.0
192.168.10.126
172.16.45.12
172.16.45.4
172.16.45.8

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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.

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

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