Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1751: Which type of communication is handled by the Data-Link layer?
- A: Process-to-process
- B: Host-to-host
- C: Node-to-node
- D: Application-to-application
View Answer
C
Q1752: What type of communication does the data-link layer manage?
- A: Host-to-host
- B: Node-to-node
- C: Process-to-process
- D: Application-to-application
View Answer
B
Q1753: In data-link layer communication, the term "node" refers to ______.
- A: Only routers
- B: Only end devices
- C: Only switches
- D: Hosts and routers
View Answer
D
Q1754: What is the role of the links in data-link layer communication?
- A: To store data
- B: To provide IP addresses
- C: To connect nodes
- D: To encrypt packets
View Answer
C
Q1755: The links that connect nodes in a network can be ______.
- A: Physical only
- B: Wireless only
- C: Physical or wireless
- D: Encrypted only
View Answer
C
Q1756: Fill in the blank: In the data-link layer, communication is established between two directly connected ______.
- A: Links
- B: Nodes
- C: Switches
- D: Packets
View Answer
B
Q1757: Fill in the blank: A data unit traveling across the Internet passes through multiple ______.
- A: Gateways only
- B: Processes only
- C: Layers only
- D: LANs and WANs
View Answer
D
Q1758: Which of the following best defines a “node” in networking?
- A: Any point where communication begins or ends
- B: Only user computers
- C: Only mobile devices
- D: Only network hubs
View Answer
A
Q1759: When a data packet travels from one end host to another, it passes through which of the following?
- A: A single local network
- B: A single switch
- C: Multiple networks including LANs and WANs
- D: Only one router
View Answer
C
Q1760: Communication between routers is handled at which layer?
- A: Application Layer
- B: Session Layer
- C: Data-Link Layer
- D: Presentation Layer
View Answer
C