Information Security: Principles and Practices 2nd Edition by Jim Breithaupt, Mark S. Merkow

Exercise 2

Which OSI/ISO layer defines how to address the physical devices on the network?

A. Session Layer

B. Data Link Layer

C. Application Layer

D. Transport Layer

Step 1 of 2

OSI/ISO Layer

The OSI/ISO layer that defines how to address the physical devices on the network is the Data Link layer. As the data link layer mainly transfers the units of data or information to the other end of the physical link, the protocols at this level establish a mode of communication link between the devices at the physical link. Thus, it converts the data into bit streams so as to transfer the data to the lower layers.

Therefore, the correct option is.