Variation Method MCQ’s

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This set of Analog Communication Multiple Choice Questions & Answers (MCQs) focuses on “Variation Method”.

1. In synchronous transmission, frames are about the same length as in asynchronous transmission.
a) True
b) False

2. What is the full form of UART?
a) Universal Asynchronous Receiver Transmitter
b) Universal Automatic Receiver Transmitter
c) Unaltered Asynchronous Receiver Transmitter
d) Unaltered Automatic Receiver Transmitter

3. What is the full form of LF?
a) Line Feed
b) Link Feed
c) Line Forward
d) Link Forward

4. To maintain synchronization in synchronous transmission __________
a) long strings of 1s and 0s must not be allowed
b) transmission must stop periodically
c) clock circuits must be precisely adjusted
d) channel must be noise free

5. What do you understand by the term Internet?
a) a network of networks
b) a very large client-server network
c) a very large CSMA/CD network
d) local area network

6. When two or more PCs try to access a baseband network cable at the same time, it is called ________
a) contention
b) collision
c) excess traffic
d) switching

7. CRC stands for __________
a) Cyclic Redundancy Check
b) Cyclic Repeat Check
c) Cyclic Redundancy Character
d) Cyclic Redundancy Code

8. Which statement is correct about circuit-switched network?
a) each channel can carry only one data stream
b) usually uses a bus topology
c) usually uses a star topology
d) implemented at network layer

9. When two PCs send data over a baseband network cable at the same time, it is called ________
a) contention
b) collision
c) excess traffic
d) switching

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