Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Chapter: 196
Q3001:
What is one major drawback of DSL technology when compared to cable TV networks for residential data transfer?
A. DSL is limited by interference and distance
B. DSL offers slower speeds for residential customers
C. DSL technology does not support data transfer
D. DSL requires fiber optic cables
Correct Answer:
B
Chapter: 196
Q3002:
What method do cable TV networks use to deliver data transmission efficiently?
A. Division of Coaxial Cable Band
B. Compression algorithms
C. Signal encryption
D. Wi-Fi transmission
Correct Answer:
A
Chapter: 196
Q3003:
Fill in the blank: The upper limit of the data rate in DSL technology is imposed by _______.
A. Interference in UTP cables
B. the signal strength of the telephone line
C. the type of modem used
D. the internet service provider
Correct Answer:
A
Chapter: 196
Q3004:
Which technology is most commonly used by cable TV networks for data transfer?
A. Cable Modem Technology
B. Wi-Fi Modem Systems
C. DSL Modems
D. 4G LTE Networks
Correct Answer:
A
Chapter: 197
Q3005:
What does SONET stand for?
A. Synchronous Optical Network
B. Synchronized Online Network
C. Synchronous Operational Network
D. Synaptic Optical Network
Correct Answer:
A
Chapter: 197
Q3006:
What type of network is SONET used for?
A. Wide Area Network (WAN)
B. Personal Area Network (PAN)
C. Local Area Network (LAN)
D. Storage Area Network (SAN)
Correct Answer:
A
Chapter: 197
Q3007:
Which organization defines the standards for SONET?
A. ITU-T
B. IEEE
C. ISO
D. ANSI
Correct Answer:
A
Chapter: 197
Q3008:
What does SONET primarily carry?
A. Loads from other WANs
B. Voice communication
C. Internet traffic
D. Video signals
Correct Answer:
A
Chapter: 197
Q3009:
What is the ITU-T standard for SONET called?
A. Synchronous Digital Hierarchy
B. Standardized Optical Network
C. Sub-optimal Digital Hierarchy
D. Structured Optical Network
Correct Answer:
A
Chapter: 197
Q3010:
Which of the following is part of the architecture of a SONET system?
A. Signals
B. Devices
C. Connections
D. All of the above
Correct Answer:
D
Chapter: 197
Q3011:
Fill in the blank: SONET is primarily used as a _______ to transport data between other WANs.
A. Transport network
B. Control network
C. Storage network
D. Backup network
Correct Answer:
A
Chapter: 197
Q3012:
What is one key feature of SONET systems?
A. They carry multiple types of signals
B. They only carry video signals
C. They are designed for short-distance communication
D. They are used for home networks
Correct Answer:
A
Chapter: 197
Q3013:
Which of the following is NOT part of a SONET system architecture?
A. Power supplies
B. Signals
C. Devices
D. Connections
Correct Answer:
A
Chapter: 197
Q3014:
What does the ITU-T standard for SONET ensure?
A. Compatibility of optical networks
B. Standardization of communication protocols
C. Encryption of data for security
D. Remote monitoring of networks
Correct Answer:
A
Chapter: 197
Q3015:
Which of the following is true about SONET systems?
A. They use optical fiber to carry signals
B. They are used for local area communication
C. They rely on wireless communication
D. They operate on copper wiring
Correct Answer:
A
Chapter: 197
Q3016:
What type of signals does SONET carry?
A. Optical signals
B. Electrical signals
C. Radio signals
D. Audio signals
Correct Answer:
A
Chapter: 197
Q3017:
What does SDH stand for in the context of SONET?
A. Synchronous Digital Hierarchy
B. Synchronous Data Handling
C. Single Digital Hierarchy
D. Simple Data Handling
Correct Answer:
A
Chapter: 197
Q3018:
Which of the following is a major advantage of SONET over traditional communication methods?
A. High capacity data transfer speeds
B. Limited bandwidth
C. Lower operational costs
D. Shorter data transmission distances
Correct Answer:
A
Chapter: 197
Q3019:
Fill in the blank: The architecture of a SONET system includes _______ for managing data flow.
A. Devices
B. Signals
C. Cables
D. Amplifiers
Correct Answer:
A
Chapter: 197
Q3020:
What is the role of SONET in a WAN environment?
A. To provide high-speed data transfer between networks
B. To monitor network security
C. To manage local network traffic
D. To handle voice communication
Correct Answer:
B