Multiple choice

Which form information transforms before execution of transmittion?

  1. Periodic Signals

  2. Electromagnetic signals

  3. Non-periodic signals

  4. Low-frequency sine waves
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

the physical layer moves data in the form of electromagnetic signals across a transmission medium.whether you are collecting numerical statistics from computer,causing a bell to ring at a distant control center,sending animated pictures from a work station, you are working with transmission of data across network connections. this is the correct answer.

Keep practicing — related questions