Computer Networking
You are working with three networks that have the network IDs 192.168.5.0, 192.168.6.0, and 192.168.7.0. What subnet mask can you use to combine these addresses into one?

225.255.254.0
255.255.252.0
255.255.255.252
255.255.255.240

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Computer Networking
You are working on a router that has established privilege levels that restrict access to certain functions. You discover that you are not able to execute the command show running-configuration. How can you view and confirm the access lists that have been applied to the Ethernet 0 interface on your router?

show interface Ethernet 0
show access-lists
show ip interface Ethernet 0
show ip access-lists

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Computer Networking
Contention is

the condition when two or more stations attempt to use the same channel at the same time
a continuous frequency capable of being modulated or impressed with a second signal
a collection of interconnected functional units that provides a data communications service among stations attached to the network
None of these
One or more conductors that serve as a common connection for a related group of devices

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