Computer Networking
In CRC the quotient at the sender

becomes the dividend at the receiver
is discarded
becomes the divisor at the receiver
is the remainder

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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?

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

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Computer Networking
Which of the following technique is used for fragment?

one of the pieces that results when an IP gateway divides an IP datagram into smaller pieces for transmission across a network that cannot handle the original datagram size
a technique used in best-effort delivery systems to avoid endlessly looping packets
a technique used by protocols in which a lower level protocol accepts a message from a higher level protocol and places it in the data portion of the low level frame
All of these
None of these

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