Nokia
4A0-100 · Question #82
What is the purpose of the source and destination ports in the TCP header?
The correct answer is D. These ports are used as an address to identify the upper layer application using the TCP. See the full explanation below for the reasoning.
Service Fundamentals
Question
What is the purpose of the source and destination ports in the TCP header?
Options
- AThese ports identify the physical location of the sender and the receiver on the IP router.
- BThese ports are used as addresses to communicate with the IP layer.
- CTCP does not use source or destination ports.
- DThese ports are used as an address to identify the upper layer application using the TCP
How the community answered
(39 responses)- A5% (2)
- B8% (3)
- C15% (6)
- D72% (28)
Topics
#TCP ports#application identification#transport layer addressing#port numbers
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