Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q251: Which of the following is true about layering in communication systems?
- A: Each layer handles different tasks and interacts with other layers
- B: Every layer has the same function
- C: Protocol layering is not necessary in modern networks
- D: Protocol layering creates only one communication path
View Answer
A
Q252: What is one of the advantages of modularity in network protocols?
- A: Easier management of separate components
- B: More complex system design
- C: Increased dependency between components
- D: Higher operational costs
View Answer
A
Q253: Fill in the blank: Modularity in network systems allows _______ between different system components.
- A: Independent operation
- B: Complete integration
- C: Simultaneous updates
- D: Direct communication
View Answer
A
Q254: Which of the following is an advantage of separating service and implementation in a system?
- A: Simplifies maintenance and upgrades
- B: Increases network traffic
- C: Reduces network speed
- D: Makes the system less flexible
View Answer
A
Q255: Fill in the blank: Separation of service and implementation in network protocols allows for easier _______.
- A: Maintenance and updates
- B: Data transmission
- C: Monitoring of network usage
- D: Network design
View Answer
A
Q256: What is a key benefit of reduced complexity and cost in network systems?
- A: Simpler to design and maintain
- B: More expensive to run
- C: Harder to scale
- D: Increases the need for troubleshooting
View Answer
A
Q257: Which of the following is a disadvantage of modularity in network systems?
- A: None
- B: Increased complexity
- C: High dependency between modules
- D: Higher implementation time
View Answer
A
Q258: Fill in the blank: A modular design approach in networking can lead to a _______ in system updates.
- A: Decrease in complexity
- B: Increase in compatibility
- C: Decrease in flexibility
- D: Increase in cost
View Answer
A
Q259: Which of the following is NOT an advantage of modularity in network design?
- A: Reduced complexity and cost
- B: Easier maintenance and upgrades
- C: High interdependence of modules
- D: Flexibility in adding new features
View Answer
C
Q260: Fill in the blank: Reducing complexity in network protocols helps to _______ the overall system cost.
- A: Lower
- B: Increase
- C: Maintain
- D: Raise
View Answer
A