Systems Security Certified Practitioner – SSCP – Question1011 - Systems Security Certified Practitioner

Which layer of the OSI/ISO model handles physical addressing, network topology, line discipline, error notification, orderly delivery of frames, and optional flow control?

A. Physical
B. Data link
C. Network
D. Session

Correct Answer: B

Explanation:

The Data Link layer provides data transport across a physical link. It handles physical addressing, network topology, line discipline, error notification, orderly delivery of frames, and optional flow control.
Source: ROTHKE, Ben, CISSP CBK Review presentation on domain 2, August 1999.