Computer Networking
If a host on a network has the address 172.16.45.14/30, what is the subnetwork this host belongs to?

172.16.45.8
172.16.45.12
172.16.45.4
192.168.10.126
172.16.45.0

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

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