Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3371: Link-layer switches operate at which layer of the Internet model?
- A: Application layer
- B: Transport layer
- C: Network layer
- D: Data link layer
View Answer
D
Q3372: Routers are responsible for forwarding data based on _______.
- A: MAC addresses
- B: Port numbers
- C: IP addresses
- D: File size
View Answer
C
Q3373: Fill in the blank: Routers connect _______ together to form an internet.
- A: devices
- B: subnets
- C: servers
- D: networks
View Answer
D
Q3374: Which of the following devices is used mainly to reduce network collisions?
- A: Router
- B: Hub
- C: Repeater
- D: Switch
View Answer
D
Q3375: Which device only repeats the incoming signal to all ports without filtering?
- A: Switch
- B: Hub
- C: Router
- D: Gateway
View Answer
B
Q3376: Fill in the blank: A ______ operates at the physical layer and does not examine data content.
- A: Router
- B: Switch
- C: Hub
- D: Gateway
View Answer
C
Q3377: Connecting devices can operate at _______ layers of the Internet model.
- A: only transport
- B: only network
- C: different
- D: all
View Answer
D
Q3378: Which device is best for segmenting a network and managing traffic flow efficiently?
- A: Router
- B: Hub
- C: Switch
- D: Repeater
View Answer
C
Q3379: Fill in the blank: Hubs, switches, and routers are three _______ of connecting devices.
- A: types
- B: purposes
- C: versions
- D: speeds
View Answer
A
Q3380: What is a key limitation of using a hub in a network?
- A: High cost
- B: Signal loss
- C: Limited distance
- D: No traffic filtering
View Answer
D