why only data link add trailer
Data Link layer protocols add a trailer to the end of each frame.
The trailer is used to determine if the frame arrived without error.
This process is called error detection.
Note that this is different from error correction.Copyright © 2021 Codeinu
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
