Which layer process does NOT do encapsulation when an application layer process transmits a message?
A)Physical.
B)Transport.
C)Data link.
D)Internet.
E)All do encapsulation.

Question

Quizplus · Accepted Answer

The physical layer is responsible for transmitting raw bits over the physical medium (such as cables or wireless signals), but it does not provide any encapsulation or formatting of the data. Therefore, it does not add any headers or trailers to the message. All other layers (Transport, Data Link, Internet, and Application) perform encapsulation to some extent.

Which Layer Process Does NOT Do Encapsulation When an Application