OSI Model Questions And Answers.


1.The physical layer is concerned with?
A. Bit-by-bit delivery
B. Process to process delivery
C. Application to application delivery
D. Port to port delivery

2.Which transmission media provides the highest transmission speed in a network?
A. Coaxial cable
B. Twisted pair cable
C. Optical fiber
D. Electrical cable

3.Bits can be sent over guided and unguided media as analog signal by?
A. Digital modulation
B. Amplitude modulation
C. Frequency modulation
D. Phase modulation

4.The portion of physical layer that interfaces with the media access control sublayer is called?
A. Physical signalling sublayer
B. Physical data sublayer
C. Physical address sublayer
D. Physical transport sublayer

5.In asynchronous serial communication the physical layer provides?
A. Start and stop signalling
B. Flow control
C. Both A & B
D. None of above

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