Understanding Cisco Cybersecurity Fundamentals (SECFND, legacy) — Question 42

Which layer of the OSI model is responsible for logical addressing and best path selection to endpoint networks?

Answer options

• A. Layer 3
• B. Layer 1
• C. Layer 4
• D. Layer 5

Correct answer: A

Explanation

Layer 3 of the OSI model is responsible for logical addressing and routing, allowing data to find the best path to its destination. Layer 1 deals with physical connections, Layer 4 focuses on transport protocols, and Layer 5 is related to session management, making them unsuitable for this task.