27.03.2023

The physical layer is concerned with

• bit-by-bit delivery

• process to process delivery

• application to application delivery

• port to port delivery

Which transmission media provides the highest transmission speed in a network?

• coaxial cable

• twisted pair cable

• ptical fiber cable

• electrical cable

Bits can be sent over guided and unguided media as analog signal by ___________

• digital modulation

• amplitude modulation

• frequency modulation

• phase modulation

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

• physical signalling sublayer

• physical data sublayer

• physical address sublayer

• physical transport sublayer

The physical layer provides __________

• mechanical specifications of electrical connectors and cables

• mechanical specifications of electrical connectors and cables

• specification for IR over optical fiber

• all of the mentioned