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

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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.

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

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Computer Networking
RS-232-G

requires only 7 pin out of 25 in order to transmit digital data over public telephone lines
None of these
specifies only the mechanical characteristics of an interface by providing a 25-pin connector
is an interface between two data circuit terminating equipment as examplified by a local and remote modem
is an interface standard between Data terminal Equipment and Data Circuit Terminating Equipment

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