Computer Networking
If routers in a single area are configured with the same priority value, what value does a router use for the OSPF Router ID in the absence of a loopback interface?

The highest IP address of any physical interface
The highest IP address of any logical interface
The lowest IP address of any logical interface
The lowest IP address of any physical interface

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Computer Networking
Demodulation is the process of

combining many low speed channels into one high speed channel
dividing the high-speed signals into frequency bands
converting digital signals to analog signals
None of these
converting analog signals to digital signals

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Computer Networking
Parity bit is

a code in which each expression conforms to specific rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
None of these
a check bit appended to an array of binary digits to make the sum of all the binary digits.
an error-detecting code based on a summation operation performed on the bits to be checked.
the ratio of the number of data units in error to the total number of data units

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