Numbering of each of the segmented data is known as _

Whose responsibility is to sequence the individual segments?

Unit of each segmented data to be sent by respective OSI layer is called_

The sequence of Protocol Data Units passing down the stack are as follows;

In which layer of the OSI is Trailer added?

When a layer completes its process, the layer strips off its header and passes it up to the next level to be processed.

Select which word does it describe.