Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q341: Fill in the blank: The _______ layer of the OSI model is responsible for end-to-end communication and error control.
- A: Transport
- B: Network
- C: Data Link
- D: Application
View Answer
A
Q342: In the OSI model, which layer is responsible for ensuring reliable communication and error detection?
- A: Data Link Layer
- B: Application Layer
- C: Transport Layer
- D: Network Layer
View Answer
C
Q343: Fill in the blank: The _______ layer in the OSI model controls the flow of data across the network.
- A: Transport
- B: Network
- C: Data Link
- D: Physical
View Answer
A
Q344: Which of the following is NOT a function of the OSI Presentation Layer?
- A: Data compression
- B: Data encryption
- C: Routing
- D: Data translation
View Answer
C
Q345: Which of the following protocols would be found in the TCP/IP model but NOT in the OSI model?
- A: HTTP
- B: FTP
- C: IP
- D: TCP
View Answer
C
Q346: Fill in the blank: The _______ layer in the OSI model handles routing and forwarding of data.
- A: Network Layer
- B: Data Link Layer
- C: Application Layer
- D: Transport Layer
View Answer
A
Q347: What is the primary reason the OSI model was created by ISO?
- A: To define universal standards for network communication
- B: To provide a simplified protocol for data transfer
- C: To introduce new protocols for communication
- D: To create a standard for physical media
View Answer
A
Q348: Fill in the blank: The OSI model combines both the Session and Presentation layers into the _______ layer in the TCP/IP model.
- A: Application
- B: Transport
- C: Data Link
- D: Network
View Answer
A
Q349: What is the primary focus of data communication?
- A: Transmission of data between devices
- B: Management of computer networks
- C: Internet connectivity
- D: Designing hardware systems
View Answer
A
Q350: Which of the following is a key difference between data communication and computer networking?
- A: Data communication focuses on data transfer only
- B: Computer networking deals with network design
- C: Data communication is limited to computers
- D: Computer networking uses analog signals
View Answer
A