Question
(a) Consider a noisy channel between a sender and a receiver where the data link layer uses CRC (Cyclic Redundancy Check) for error detection based
(a) Consider a noisy channel between a sender and a receiver where the data link
layer uses CRC (Cyclic Redundancy Check) for error detection based on a 4-bit
generator: 1101. If the receiver receives a frame containing bit sequence 111001000,
will the frame be discarded by the receiver? Show reasons and details in favor of your
answer. A simple answer of yes or no without showing the details will receive no
score.
(b) Find the number of collisions after which, in CSMA/CD protocol, the NIC can
make a binary exponential delay of at most 1536 bit times.
(c) Write down 3 cases where TDMA based protocols are preferred over CSMA/CA
based ones.
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