Computer Networking
You are working with a network that is 172.16.0.0 and would like to support 600 hosts per subnet. What subnet mask should you use?

255.255.248.0
255.255.224.0
255.255.252.0
255.255.192.0
255.255.240.0

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

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