CompTIA Network+ (N10-008) — Question 501

Which of the following best describe the functions of Layer 2 of the OSI model? (Choose two.)

Answer options

• A. Local addressing
• B. Error preventing
• C. Logical addressing
• D. Error detecting
• E. Port addressing
• F. Error correcting

Correct answer: A, D

Explanation

Layer 2 of the OSI model is responsible for local addressing, which facilitates communication within a local network, and for error detecting, which ensures data integrity during transmission. The other options, such as logical addressing, pertain to Layer 3, while error preventing and correcting are not specific functions at Layer 2.