Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
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
View Answer
B
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
View Answer
A
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
View Answer
A
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
View Answer
A
Q3005: What does SONET stand for?
- A: Synchronous Optical Network
- B: Synchronized Online Network
- C: Synchronous Operational Network
- D: Synaptic Optical Network
View Answer
A
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)
View Answer
A
Q3007: Which organization defines the standards for SONET?
- A: ITU-T
- B: IEEE
- C: ISO
- D: ANSI
View Answer
A
Q3008: What does SONET primarily carry?
- A: Loads from other WANs
- B: Voice communication
- C: Internet traffic
- D: Video signals
View Answer
A
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
View Answer
A
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
View Answer
D