Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3191: Which of the following is an example of a virtual connection identifier used in ATM networks?
- A: VPI (Virtual Path Identifier)
- B: IP address
- C: Subnet mask
- D: Port number
View Answer
A
Q3192: What does VCI stand for in ATM networks?
- A: Virtual Channel Identifier
- B: Virtual Connection Identifier
- C: Variable Channel Identifier
- D: Variable Control Interface
View Answer
A
Q3193: Fill in the blank: In an ATM network, the VPI and VCI are used to identify _______ connections.
- A: Virtual channel
- B: Physical channel
- C: Control channel
- D: Signal channel
View Answer
A
Q3194: Which of the following identifies the virtual connection in an ATM network's UNI?
- A: VCI and VPI
- B: IP address and subnet mask
- C: Port number and protocol
- D: Network address and gateway
View Answer
A
Q3195: What does the ATM switch do with the VPI/VCI?
- A: It uses it to route cells to the correct destination
- B: It encrypts the cells for security
- C: It compresses the cells for faster transmission
- D: It verifies the cells' data integrity
View Answer
A
Q3196: What is one of the fastest growing technologies today?
- A: Wireless communication
- B: Wired communication
- C: Internet of Things
- D: Cloud computing
View Answer
A
Q3197: Where can Wireless LANs commonly be found?
- A: College campuses, office buildings, and public areas
- B: Only in private homes
- C: Only in factories
- D: Only in hospitals
View Answer
A
Q3198: What is the primary advantage of Wireless LANs over wired LANs?
- A: Flexibility of device connection
- B: Speed of data transmission
- C: Lower costs
- D: Better security
View Answer
A
Q3199: Wireless LANs eliminate the need for _______.
- A: Cables
- B: Power supplies
- C: Antennas
- D: Adapters
View Answer
A
Q3200: Fill in the blank: The demand for connecting devices without the use of _______ is increasing everywhere.
- A: cables
- B: antennas
- C: routers
- D: hubs
View Answer
A