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Exam HPE6-A86 Topic 1 Question 44 Discussion

Actual exam question for HP's HPE6-A86 exam
Question #: 44
Topic #: 1
Which is at the Transport Layer of the OSI model?

Suggested Answer: B Vote an answer

The correct answer is B. TCP port. The Transport Layer, Layer 4 of the OSI model, is responsible for end-to- end transport services between hosts. TCP and UDP operate at this layer, and TCP/UDP port numbers identify application conversations on a host. A TCP port is therefore a Layer 4 item. Option A is incorrect because an IP address belongs to Layer 3, the Network Layer, where logical addressing and routing occur. Option C is incorrect because a MAC address belongs to Layer 2, the Data Link Layer, where Ethernet switching and local delivery are handled. Option D is incorrect because a physical switch port is associated with the Physical Layer interface and Layer 2 switching behavior, not the Transport Layer. In HPE Aruba Networking CX configurations, ACLs also distinguish between IP addressing and Layer 4 protocol fields such as TCP or UDP ports, reinforcing that TCP port information is transport-layer information.

by Jodie at Jun 11, 2026, 12:32 AM

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