HPE Aruba Certified Central Associate (ACCA) — Question 21

Which is at the Transport Layer of the OSI model?

Answer options

• A. IP Address
• B. TCP Port
• C. MAC Address
• D. Switch Port

Correct answer: B

Explanation

The correct answer is B, TCP Port, as it is used for establishing network connections at the Transport Layer. IP Address, which is option A, operates at the Network Layer, while MAC Address in option C is associated with the Data Link Layer. Option D, Switch Port, is a physical interface related to network switches and not specific to any OSI layer.