Author Question: Whereas the network layer in the OSI model provides for logical addressing, the data link layer ... (Read 189 times)

fagboi · **on:** Jul 7, 2018

Whereas the network layer in the OSI model provides for logical addressing, the data link layer provides for physical addressing.

Indicate whether the statement is true or false

Question 2

Which of the following are all forms of packet-switched services?

A) X.12, Picture Relay (PR), Synchronous Transfer Mode (STM), and Comma Switching (CS)
B) X.22, Relay, Transfer, and Protocol Switch
C) X.24, Doc Relay (DR), Synch Transfer Mode (STM), and Multi-Problem Label Solver
D) X.25, Frame Relay (FR), Asynchronous Transfer Mode (ATM), and Multiple-Protocol Label Switching (MPLS)