Computer Networks MCQs with Answers
Practice important Computer Networks MCQs with answers and explanations.
Multiple Choice Questions
Q111: Which component initiates the message in a data communication system?
- A: Receiver
- B: Router
- C: Sender
- D: Modem
View Answer
C
Q112: In data communication, timing refers to ________.
- A: Frequency of voltage
- B: Speed and sequence of data transmission
- C: Type of encoding
- D: Distance between nodes
View Answer
B
Q113: A key characteristic of effective data communication is _______.
- A: Distance
- B: Error rate
- C: Flexibility
- D: Delivery
View Answer
D
Q114: Data is considered delivered if it reaches the _______ accurately and in time.
- A: Switch
- B: Hub
- C: Receiver
- D: Protocol
View Answer
C
Q115: Digital signals consist of _______ values.
- A: Infinite
- B: Continuous
- C: Discrete
- D: Analog
View Answer
C
Q116: Which topology uses a central device to connect all computers?
- A: Bus
- B: Ring
- C: Star
- D: Mesh
View Answer
C
Q117: The main purpose of error detection is to ensure ________.
- A: Encoding
- B: Accurate delivery of data
- C: Speed
- D: Connectivity
View Answer
B
Q118: The quality of data communication depends on
- A: Number of users
- B: Protocols and media used
- C: Color settings on screen
- D: Type of router used
View Answer
B
Q119: Communication between two computers is possible only if both use the same ________.
- A: Transmission medium
- B: Operating system
- C: Protocol
- D: Monitor
View Answer
C
Q120: ________ allows multiple computers to share data and resources.
- A: Programming
- B: Data communication
- C: Compiler
- D: Protocol
View Answer
B