Exam 2 Activities + Labs Flashcards

1
Q

What is the purpose of the physical layer?

A

The physical layer contains protocols for methods to transport raw bit stream between devices over transmission media. Various physical media, guided and unguided, can be used for the actual transmission. They differ by bandwidth, delay, cost, east of installation, and maintenance. Many standards (protocols) specify how to transmit the bits.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly