Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q3411: Fill in the blank: Redundant switches in a system can create ______.
- A: filters
- B: bridges
- C: loops
- D: collisions
View Answer
C
Q3412: What is the term for a switch that learns and stores MAC addresses?
- A: Static switch
- B: Learning switch
- C: Repeater switch
- D: Caching switch
View Answer
B
Q3413: Switch eliminates the need for _______.
- A: collisions
- B: switching
- C: bridging
- D: broadcasting
View Answer
A
Q3414: Fill in the blank: Unlike hubs, switches eliminate ______ in network communication.
- A: cables
- B: collisions
- C: packets
- D: addresses
View Answer
B
Q3415: Which device improves performance by sending frames only where needed?
- A: Hub
- B: Switch
- C: Router
- D: Repeater
View Answer
B
Q3416: What is the main cause of a loop in a switched network?
- A: Carrier sensing
- B: Signal delay
- C: Redundant links
- D: Frame errors
View Answer
C
Q3417: Switches do not require ______ to avoid data collision.
- A: carrier sensing
- B: error detection
- C: broadcasting
- D: DNS lookup
View Answer
A
Q3418: Which of the following is not true about switches?
- A: They create loops if misconfigured
- B: They regenerate signals
- C: They eliminate collisions
- D: They always require carrier sensing
View Answer
D
Q3419: What is a characteristic of a spanning tree in graph theory?
- A: Contains loops
- B: Has multiple paths between nodes
- C: Contains no loops
- D: Only connects switches together
View Answer
C
Q3420: Fill in the blank: A spanning tree ensures that each LAN is connected through ______.
- A: multiple redundant paths
- B: one and only one path
- C: an isolated segment
- D: an external router
View Answer
B