Computer Networking
What is the problem with an interface if you type show interface serial 0 and receive the following message? "Serial0 is administratively down, line protocol is down."

The administrator has the interface shut down.
No cable is attached.
The keepalives are different times.
The administrator is pinging from the interface.

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Computer Networking
Which of the following is true regarding access lists applied to an interface?

You can apply only one access list on any interface.
You can place as many access lists as you want on any interface until you run out of memory.
You can apply two access lists to any interface.
One access list may be configured, per direction, for each layer 3 protocol configured on an interface.

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