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."

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

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Computer Networking
Bus is

the condition when two or more stations attempt to use the same channel at the same time
None of these
a continuous frequency capable of being modulated or impressed with a second signal
one or more conductors that some as a common connection for a related group of devices
a collection of interconnected functional units that provides a data communications service among stations attached to the network

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Computer Networking
"BAUD" rate means

The number of bits transmitted per unit time.
The rate at which the signal changes.
The number of bytes transmitted per unit time.
None of these

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