Computer Networking
What command is used to create a backup configuration?

config mem
wr mem
copy running backup
copy running-config startup-config

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Computer Networking
The corporate office sends you a new router to connect, but upon connecting the console cable, you see that there is already a configuration on the router. What should be done before a new configuration is entered in the router?

Flash should be erased and the router restarted.
RAM should be erased and the router restarted.
The new configuration should be entered and saved.
NVRAM should be erased and the router restarted.

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Computer Networking
A front-end processor is

a user computer system
preliminary processor of batch jobs.
a minicomputer that relieves main-frame computers at a computer centre of communications control functions
None of these
a processor in a large-scale computer that executes operating system instructions

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