Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1761: Which layer is responsible for communication across a single physical link?
- A: Network Layer
- B: Data-Link Layer
- C: Transport Layer
- D: Application Layer
View Answer
B
Q1762: Which statement is TRUE regarding the data-link layer?
- A: It handles routing decisions
- B: It provides node-to-node communication
- C: It manages DNS lookup
- D: It handles application logic
View Answer
B
Q1763: Fill in the blank: In data-link layer terminology, ______ are the devices that generate and receive data.
- A: Links
- B: Nodes
- C: Cables
- D: Packets
View Answer
B
Q1764: Which of the following is NOT considered a node in the context of data-link layer communication?
- A: End host
- B: Router
- C: Link
- D: Switch
View Answer
C
Q1765: Data-Link Layer communication focuses on transmission between ______.
- A: Applications
- B: Entire networks
- C: Nodes
- D: Processes
View Answer
C
Q1766: Fill in the blank: A message sent over the Internet must pass through several ______ and links to reach its destination.
- A: Nodes
- B: Packets
- C: Protocols
- D: Errors
View Answer
A
Q1767: What ensures direct delivery of frames between two adjacent devices?
- A: Application Layer
- B: Network Layer
- C: Data-Link Layer
- D: Transport Layer
View Answer
C
Q1768: Which is the correct pair as per the data-link layer terminology?
- A: Node – Communication medium
- B: Link – End system
- C: Node – Router or host
- D: Link – DNS Server
View Answer
C
Q1769: Which of the following best defines a link in networking?
- A: A communication protocol
- B: A transmission medium between nodes
- C: A packet header
- D: An IP address
View Answer
B
Q1770: The Data-Link Layer is located between which two layers?
- A: Application and Network
- B: Transport and Application
- C: Network and Physical
- D: Session and Network
View Answer
C