Computer Networking
Which command will show you whether a DTE or a DCE cable is plugged into serial 0?

sh int serial 0
sh int s0
show controllers serial 0
show serial 0 controllers

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Computer Networking
Two computers that communicate with each other use a simple parity check to detect errors for ASCII transmissions. Which of the following events will always lead to an undeleted error?

two bits or any even number of bits inverted in a block during transmission
one bit or any odd number of bits inverted in a byte during transmission
None of these
one bit or any odd number of bits inverted in a block of data during transmission
two bits or any even number of bits inverted in a byte during transmission

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Computer Networking
The MAC (Media Access Control) address of the network card is used in both Ethernet and Token-Ring networks and is essential for communication. What does MAC provide?

The logical domain address for the workstation
A physical address that is assigned by the manufacturer
An alias for the computer name
A logical address that identifies the workstation
A physical address that is randomly assigned each time the computer is started

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