Q. Adding 1 and 1 in modulo-2 arithmetic results in _________.
✅ Correct Answer: (C)
0
Data Communication and Networking MCQs and Notes
Q. In modulo-2 arithmetic, we use only ______.
✅ Correct Answer: (C)
0 and 1
Q. In modulo-11 arithmetic, we use only the integers in the range ______, inclusive.
✅ Correct Answer: (C)
0 to 10
Q. The _____of errors is more difficult than the ______.
✅ Correct Answer: (A)
correction; detection
Q. _______codes are special linear block codes with one extra property. If a codeword is rotated, the result is another codeword.
✅ Correct Answer: (C)
Cyclic
Q. A simple parity-check code can detect __________ errors.
✅ Correct Answer: (D)
an odd-number of
Q. In a linear block code, the _______ of any two valid codewords creates another valid codeword
✅ Correct Answer: (A)
XORing
Q. ______ control refers to methods of error detection and correction.
✅ Correct Answer: (B)
Error
Q. _______ control refers to a set of procedures used to restrict the amount of data that the sender can send before waiting for acknowledgment.
✅ Correct Answer: (A)
Flow
Q. Bit stuffing means adding an extra 0 to the data section of the frame when there is a sequence of bits with the same pattern as the ________.
✅ Correct Answer: (C)
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