Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3051: Which device is used to terminate the SONET signal at the endpoints of the system?
- A: Terminal
- B: Add-Drop Multiplexer
- C: Regenerator
- D: STS Mux/Demux
View Answer
A
Q3052: What is the function of the SONET section connection?
- A: To manage the physical layer of the network
- B: To handle the routing of data between devices
- C: To manage the logical flow of signals
- D: To multiplex and demultiplex signals
View Answer
A
Q3053: Which of the following is NOT a part of the SONET architecture?
- A: Regenerator
- B: Add-Drop Multiplexer
- C: Router
- D: STS Mux/Demux
View Answer
C
Q3054: Which of the following is NOT a functional layer in the SONET standard?
- A: Photonic Layer
- B: Transmission Layer
- C: Path Layer
- D: Section Layer
View Answer
B
Q3055: What is the role of the Path Layer in SONET?
- A: It handles data transmission across the network
- B: Manages the physical layer of the network
- C: Controls the flow of data between devices
- D: Manages the communication link between two end points
View Answer
A
Q3056: The Section Layer in SONET is responsible for _______.
- A: Transmission and monitoring of data
- B: Managing data flow between sections
- C: Managing end-to-end communication
- D: Providing error detection and correction
View Answer
B
Q3057: Which of the following layers corresponds to the data-link layer in SONET?
- A: Path Layer
- B: Section Layer
- C: Line Layer
- D: Photonic Layer
View Answer
A
Q3058: Which SONET layer is responsible for transporting data over optical fiber?
- A: Photonic Layer
- B: Line Layer
- C: Path Layer
- D: Section Layer
View Answer
A
Q3059: Fill in the blank: SONET includes four functional layers: Path Layer, Line Layer, _______ Layer, and Photonic Layer.
- A: Section
- B: Transport
- C: Network
- D: Signal
View Answer
A
Q3060: What is the primary purpose of the SONET Line Layer?
- A: It provides error detection and correction
- B: It ensures reliable data transfer across the network
- C: Manages the transmission of data between devices
- D: Supports the physical transmission of signals across the network
View Answer
D