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?

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

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Computer Networking
Which of the following is true when describing a unicast address?

Packets addressed to a unicast address are delivered to a single interface.
These addresses are meant for nonrouting purposes, but they are almost globally unique so it is unlikely they will have an address overlap.
These are like private addresses in IPv4 in that they are not meant to be routed.
These are your typical publicly routable addresses, just like a regular publicly routable address in IPv4.

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Computer Networking
In geosynchronous orbit, satellite

moves faster than the earth's rotation so that it can cover larger portion of earth.
None of these
remains in a fixed position so that as earth rotates, it can fully cover the earth
moves simultaneously
remains in a fixed position related to points on earth

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