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.

Repeaters cannot increase the signal strength sufficiently
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
Network collisions occur

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Computer Networking
You need to allow one host to be permitted to attach dynamically to each switch interface. Which two commands must you configure on your catalyst switch to meet this policy?1. Switch (config-if) # ip access-group 102. Switch (config-if) # switchport port-security maximum 13. Switch (config) # access-list 10 permit ip host 14. Switch (config-if) # switchport port-security violation shutdown5. Switch (config) # mac-address-table secure

2, 3 and 5
1 and 3
4 and 5
2 and 4

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