Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1791: What ensures that data is transmitted without overwhelming the receiver?
- A: Error Control
- B: Flow Control
- C: Congestion Control
- D: Framing
View Answer
B
Q1792: Which function of the Data-Link Layer detects and retransmits lost or corrupted frames?
- A: Error Control
- B: Congestion Control
- C: Framing
- D: Routing
View Answer
A
Q1793: What is the primary purpose of congestion control in the Data-Link Layer?
- A: To manage bandwidth
- B: To control hardware
- C: To prevent network overload
- D: To frame data
View Answer
C
Q1794: Fill in the blank: The Data-Link Layer receives services from the ______ Layer.
- A: Network
- B: Transport
- C: Physical
- D: Application
View Answer
C
Q1795: The service that segments data into frames at the Data-Link Layer is called ______.
- A: Error Control
- B: Flow Control
- C: Framing
- D: Congestion Control
View Answer
C
Q1796: Which of the following functions is common to both Flow Control and Congestion Control?
- A: Managing IP addresses
- B: Managing error detection
- C: Managing data rate
- D: Managing session BGPs
View Answer
C
Q1797: Which of the following ensures data integrity at the Data-Link Layer?
- A: Routing
- B: Error Control
- C: DNS
- D: Congestion Control
View Answer
B
Q1798: Fill in the blank: ______ control helps detect and correct transmission errors.
- A: Flow
- B: Error
- C: Traffic
- D: Session
View Answer
B
Q1799: Which layer provides services such as error detection and flow control to the Network Layer?
- A: Application Layer
- B: Session Layer
- C: Data-Link Layer
- D: Transport Layer
View Answer
C
Q1800: What connects two nodes physically for communication?
- A: Router
- B: Transmission medium
- C: Bridge
- D: Firewall
View Answer
B