Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q2951: What does DSL stand for in telecommunication?
- A: Digital Signal Line
- B: Direct Subscriber Line
- C: Digital Subscriber Line
- D: Digital System Line
View Answer
C
Q2952: Which of the following technologies is NOT a form of DSL?
- A: ADSL
- B: VDSL
- C: HDLC
- D: SDSL
View Answer
C
Q2953: What was the main reason for the development of DSL technology?
- A: To provide higher-speed internet access
- B: To reduce network congestion
- C: To replace analog modems
- D: To increase analog signal range
View Answer
A
Q2954: Fill in the blank: DSL technology is a set of technologies differing in the first letter such as ADSL, VDSL, HDSL, and ______.
- A: SDSL
- B: GSM
- C: CDMA
- D: TCP/IP
View Answer
A
Q2955: Which of the following is NOT a feature of DSL?
- A: High-speed Internet access
- B: Use of existing telephone lines
- C: Compatibility with dial-up modems
- D: Continuous data transfer rate
View Answer
C
Q2956: What does ADSL stand for in DSL technologies?
- A: Advanced Digital Subscriber Line
- B: Asynchronous Digital Subscriber Line
- C: Analog Digital Subscriber Line
- D: Automated Digital Subscriber Line
View Answer
B
Q2957: Which of the following is a characteristic of SDSL?
- A: It supports both upload and download speeds equally
- B: Only supports download speed
- C: Supports only analog data
- D: Operates on fiber-optic cables
View Answer
A
Q2958: What is the primary function of DSL in telecommunication?
- A: To provide higher bandwidth for television signals
- B: To replace satellite communications
- C: To provide high-speed Internet access over existing copper lines
- D:
View Answer
D
Q2959: Fill in the blank: In a DSL network, the connection between the customer's premises and the service provider is usually ______.
- A: a leased line
- B: a point-to-point connection
- C: a fiber-optic cable
- D: a telephone line
View Answer
D
Q2960: Which DSL technology provides the highest speed for Internet access?
- A: VDSL
- B: ADSL
- C: HDSL
- D: SDSL
View Answer
A