Computer Networking
"BAUD" rate means

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

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

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Computer Networking
The packets switching concept was first proposed

in the early 1960s for military communication systems, mainly to handle speech
in the late 1950s for Defense Ministry of US
None of these
in the late 1980s for the Defense Ministry of US.
All of these

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