The ____ is used at the Data Link layer to establish, configure, and test the connection.
A) NCP
B) ATCP
C) IPCP
D) LCP

Question

Quizplus · Accepted Answer

The Link Control Protocol (LCP) is used at the Data Link layer to establish, configure, and test the connection. LCP is responsible for negotiating the link parameters and ensuring that the link is ready for data transmission. It is a part of the Point-to-Point Protocol (PPP) which is used to establish a direct connection between two nodes. A, B, and C are incorrect options as they are not used for this purpose at the Data Link layer.

The ____ Is Used at the Data Link Layer to Establish