Data Communication MCQs with Answers
Practice important Data Communication MCQs with answers and explanations.
Multiple Choice Questions
Q1341: In Synchronous TDM, if a user has no data to send, its allocated time slot _______.
- A: Is skipped
- B: Remains unused
- C: Is used by another device
- D: Is merged with the next slot
View Answer
B
Q1342: Which of the following networks commonly use Synchronous TDM?
- A: Wireless LAN
- B: Fiber-optic networks (SONET/SDH)
- C: Bluetooth
- D: Ad hoc networks
View Answer
B
Q1343: Fill in the blank: The number of time slots in Synchronous TDM depends on _______.
- A: Number of input signals
- B: Data transmission speed
- C: Signal strength
- D: Network latency
View Answer
A
Q1344: What type of systems benefit the most from Synchronous TDM?
- A: Systems with variable data transmission
- B: Systems that require consistent time slots
- C: Systems with irregular data transmission
- D: Systems that prioritize on-demand bandwidth allocation
View Answer
B
Q1345: What is a key limitation of Synchronous TDM?
- A: High latency
- B: Complex hardware requirements
- C: Wastage of bandwidth
- D: Requires separate channels for each signal
View Answer
C
Q1346: What is the main characteristic of Statistical Time-Division Multiplexing (TDM)?
- A: Fixed time slots
- B: Dynamic time slot allocation
- C: Uses different frequencies for each signal
- D: Compresses data before transmission
View Answer
B
Q1347: In Statistical TDM, time slots are allocated based on _______.
- A: A fixed schedule
- B: The demand for data transmission
- C: The number of users
- D: The signal strength
View Answer
B
Q1348: Fill in the blank: Unlike Synchronous TDM, Statistical TDM assigns time slots _______.
- A: Based on fixed intervals
- B: Dynamically based on active users
- C: Only to the first device in a network
- D: Using a pre-defined sequence
View Answer
B
Q1349: Which of the following is a major advantage of Statistical TDM?
- A: Higher bandwidth efficiency
- B: No need for synchronization
- C: No risk of data loss
- D: Faster signal transmission
View Answer
A
Q1350: Statistical TDM is also known as _______.
- A: Asynchronous TDM
- B: Frequency-Division Multiplexing
- C: Synchronous TDM
- D: Circuit Switching
View Answer
A