Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1961: Fill in the blank: The relationship between redundant bits and actual data bits helps the _______ detect errors.
- A: sender
- B: receiver
- C: decoder
- D: encoder
View Answer
B
Q1962: Which of the following is a key factor in evaluating a coding scheme?
- A: Whether the scheme uses encryption or not
- B: The robustness of the process and the ratio of redundant bits to data bits
- C: Whether the scheme uses compression
- D: The time it takes to encode the data
View Answer
B
Q1963: Fill in the blank: The process of creating a relationship between redundant bits and data bits helps to _______ errors.
- A: ignore
- B: highlight
- C: detect
- D: correct
View Answer
C
Q1964: What is the significance of the ratio of redundant bits to data bits in a coding scheme?
- A: It helps to determine the amount of data loss during transmission
- B: It defines the redundancy level required for error detection and correction
- C: It is irrelevant to error detection
- D: It determines the encryption strength of the data
View Answer
B
Q1965: What does a receiver do with the redundant bits in a coding scheme?
- A: It removes them to save bandwidth
- B: It checks them to detect errors
- C: It encrypts the data further
- D: It stores them for future transmission
View Answer
B
Q1966: Which of the following is the main goal of adding redundant bits in a coding scheme?
- A: To increase the data size
- B: To create a relationship for error detection and correction
- C: To decrease the speed of transmission
- D: To encrypt the data
View Answer
B
Q1967: Fill in the blank: In any coding scheme, the robustness of the process ensures _______ during transmission.
- A: security
- B: data integrity
- C: security of bits
- D: transmission speed
View Answer
B
Q1968: Which of the following is a type of coding scheme?
- A: Block Coding
- B: Convolution Coding
- C: Both A and B
- D: None of the above
View Answer
C
Q1969: Fill in the blank: Coding schemes can be divided into two broad categories: _______ and Convolution Coding.
- A: Block Coding
- B: Linear Coding
- C: Binary Coding
- D: Adaptive Coding
View Answer
A
Q1970: What is the primary characteristic of Block Coding?
- A: It divides data into fixed-size blocks for encoding
- B: It uses a continuous stream of bits for encoding
- C: It operates on individual bits
- D: None of the above
View Answer
A