HPE Aruba Certified Central Associate (ACCA) — Question 36

At which layer of the OSI model does data segmentation occur?

Answer options

• A. Application Layer
• B. Transport Layer
• C. Data Link Layer
• D. Network Layer

Correct answer: B

Explanation

The correct answer is B, the Transport Layer, where data segmentation is performed to ensure efficient transmission. The Application Layer (A) is responsible for end-user services, while the Data Link Layer (C) manages physical addressing and framing. The Network Layer (D) deals with routing and forwarding of packets, but does not segment data.