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

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Computer Networking
In Cisco's Unified Wireless Solution, what is the split-MAC architecture?

The split-MAC architecture uses MAC addresses to create a forward/filter table and break up broadcast domains.
The split-MAC architecture allows the splitting of 802.11 protocol packets between the AP and the controller to allow processing by both devices.
The split-MAC architecture uses MAC addresses to create a forward/filter table and break up collision domains.
The split-MAC architecture uses MAC addresses on the wireless network and IP addresses on the wired network.

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