Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2431: PPP supports how many types of authentication protocols?
- A: 1
- B: 2
- C: 3
- D: 4
View Answer
B
Q2432: Fill in the blank: Authentication protocols in PPP are used to ______ the identity of the peer.
- A: encrypt
- B: validate
- C: hash
- D: monitor
View Answer
B
Q2433: Which of these is NOT an authentication protocol in PPP?
- A: PAP
- B: CHAP
- C: SMTP
- D: None of the above
View Answer
C
Q2434: CHAP typically uses which cryptographic technique to ensure secure authentication?
- A: Plain-text password
- B: MD5 hash
- C: Base64 encoding
- D: None of these
View Answer
B
Q2435: Which of the following is handled by the Media Access Control (MAC) sub-layer?
- A: Physical addressing
- B: Flow control
- C: Error detection
- D: Access control
View Answer
D
Q2436: Fill in the blank: The Media Access Control (MAC) sub-layer handles _______ in a shared communication link.
- A: flow control
- B: addressing
- C: access control
- D: traffic management
View Answer
C
Q2437: Which of the following is a key function of the MAC sub-layer?
- A: Establishing physical connections
- B: Providing error-free communication
- C: Coordinating access to the shared link
- D: Encrypting the data
View Answer
C
Q2438: Which protocol handles access control for shared communication links in the MAC sub-layer?
- A: TCP/IP
- B: HTTP
- C: Multiple-access protocols
- D: SMTP
View Answer
C
Q2439: Fill in the blank: In a shared communication link, the MAC sub-layer ensures that nodes _______ the link.
- A: ignore
- B: control access
- C: to not access
- D: avoid
View Answer
B
Q2440: What is the main purpose of a multiple-access protocol?
- A: To ensure reliable data transfer
- B: To coordinate access to a shared link
- C: To handle error correction
- D: To control the flow of data
View Answer
B