OSI Layers MCQ Quiz - Multiple Choice Questions & Answers

1. How many layers does OSI Reference Model has?

1. 4
2. 5
3. 6
4. 7

2. The physical layer concerns with

1. bit-by-bit delivery
2. process to process delivery
3. application to application delivery
4. none of the mentioned

3. Which transmission media has the highest transmission speed in a network?

1. coaxial cable
2. twisted pair cable
3. optical fiber
4. electrical cable

4. Bits can be send over guided and unguided media as analog signal by

1. digital modulation
2. amplitude modulation
3. frequency modulation
4. phase modulation

5. The portion of physical layer that interfaces with the media access control sublayer is called

1. physical signalling sublayer
2. physical data sublayer
3. physical address sublayer
4. none of the mentioned

6. physical layer provides

1. mechanical specifications of electrical connectors and cables
2. electrical specification of transmission line signal level
3. specification for IR over optical fiber
4. all of the mentioned

7. In asynchronous serial communication the physical layer provides

1. start and stop signalling
2. flow control
3. both (a) and (b)
4. none of the mentioned

8. The physical layer is responsible for

1. line coding
2. channel coding
3. modulation
4. all of the mentioned

9. The physical layer translates logical communication requests from the ______ into hardware specific operations.

1. data link layer
2. network layer
3. trasnport layer
4. application layer

10. A single channel is shared by multiple signals by

1. analog modulation
2. digital modulation
3. multiplexing
4. none of the mentioned