Top "Data-link-layer" questions

In the seven-layer OSI model of computer networking, the data link layer is layer 2. The data link layer is the protocol layer that transfers data between adjacent network nodes in a wide area network or between nodes on the same local area network segment.

bit stuffing example

I'm going over an example that reads Bit Stuffing. Suppose the following bit string is received by the data link …

networking data-link-layer bitstuffing
Data Link Layer and Transport Layer

What is the need of error control at data link layer when Transport layer provides error control ? What is the …

networking tcp data-link-layer
What is cyclic redundancy check and how it works in simple terms (for-dummies style)?

I'm having trouble understanding the concept and workings of the ugly sounding term "cyclic redundancy check". I'm attending a college …

networking crc data-link-layer
What is the difference between the data link layer and link layer?

What is the difference between the data link layer and link layer? Do they mean the same thing?

networking protocols data-link-layer
Flow and Error Control at Transport layer

As I understand, Flow Control as well as Error Control is employed both at Transport and Data link layer. If …

networking flow-control data-link-layer