Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 198
Q3041:
Which of the following SONET devices is used to control the addition or removal of signals from the network?
A. Add-Drop Multiplexer
B. Regenerator
C. STS Mux/Demux
D. Terminal
Correct Answer:
A
Chapter: 198
Q3042:
Fill in the blank: The _______ in SONET is responsible for managing the transmission of data between the optical carriers.
A. Line Connection
B. Section Connection
C. Path Connection
D. Terminal Connection
Correct Answer:
C
Chapter: 198
Q3043:
What is the role of the SONET terminal in the network?
A. To manage the connection between devices
B. To combine signals from different sources
C. To transmit and receive data over optical carriers
D. To add or drop signals from the system
Correct Answer:
C
Chapter: 198
Q3044:
What does the SONET regenerator do?
A. It amplifies signals to extend their reach
B. It adds or removes signals from the network
C. It multiplexes and demultiplexes signals
D. It manages network traffic
Correct Answer:
A
Chapter: 198
Q3045:
Fill in the blank: SONET provides a _______ to transport data between different devices and systems.
A. High-speed network
B. Low-cost network
C. Standardized interface
D. Short-range connection
Correct Answer:
A
Chapter: 198
Q3046:
Which of the following is true about SONET devices?
A. They are used to control and manage data transmission in the network
B. They are only used for voice communication
C. They are used for short-distance communication
D. They are used to support residential internet services
Correct Answer:
A
Chapter: 198
Q3047:
What does a path connection in SONET represent?
A. A connection between two end points of the network
B. A connection between intermediate devices
C. A logical connection for routing signals
D. A physical connection for signal transport
Correct Answer:
C
Chapter: 198
Q3048:
Fill in the blank: SONET's line connection is responsible for _______ the signals between devices.
A. Transmitting
B. Multiplexing
C. Regenerating
D. Managing
Correct Answer:
A
Chapter: 198
Q3049:
Which of the following is NOT part of the SONET architecture?
A. Signals
B. Devices
C. Paths
D. Routers
Correct Answer:
D
Chapter: 198
Q3050:
Which SONET device is primarily used to increase the signal strength for long-distance transmission?
A. Regenerator
B. Add-Drop Multiplexer
C. STS Mux/Demux
D. Terminal
Correct Answer:
A
Chapter: 198
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
Correct Answer:
A
Chapter: 198
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
Correct Answer:
A
Chapter: 198
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
Correct Answer:
C
Chapter: 199
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
Correct Answer:
B
Chapter: 199
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
Correct Answer:
A
Chapter: 199
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
Correct Answer:
B
Chapter: 199
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
Correct Answer:
A
Chapter: 199
Q3058:
Which SONET layer is responsible for transporting data over optical fiber?
A. Photonic Layer
B. Line Layer
C. Path Layer
D. Section Layer
Correct Answer:
A
Chapter: 199
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
Correct Answer:
A
Chapter: 199
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
Correct Answer:
D