Computer Networking
What information is displayed by the show hosts command?1. Temporary DNS entries2. The names of the routers created using the hostname command3. The IP addresses of workstations allowed to access the router4. Permanent name-to-address mappings created using the ip host command5. The length of time a host has been connected to the router via Telnet

1, 2 and 3
3, 4, and 5
1 and 4
All of these

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Computer Networking
You type the following command into the router and receive the following output:Router#show serial 0/0 ^% Invalid input detected at '^' marker.Why was this error message displayed?

You cannot have a space between serial and 0/0.
The router does not have a serial0/0 interface.
Part of the command is missing.
You need to be in privileged mode.

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