Computer Networking
You save the configuration on a router with the copy running-config startup-config command and reboot the router. The router, however, comes up with a blank configuration. What can the problem be?

The configuration register setting is incorrect.
You didn
The newly upgraded IOS is not compatible with the hardware of the router.
NVRAM is corrupted.

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Computer Networking
A front-end processor is

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

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