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Question 868 - H12-811_V1.0 discussion

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Network Address and Port Translation (NAPT) allows multiple private IP addresses to be mapped to the same public IP address through different port numbers. Which of the following statements about port numbers in NAPT is true?

A.

Only the port number range needs to be configured.

Answers
A.

Only the port number range needs to be configured.

B.

The mappings between port numbers and private IP addresses must be manually configured.

Answers
B.

The mappings between port numbers and private IP addresses must be manually configured.

C.

An ACL is required to allocate port numbers.

Answers
C.

An ACL is required to allocate port numbers.

D.

No port number needs to be configured.

Answers
D.

No port number needs to be configured.

Suggested answer: A

Explanation:

Detailed

In NAPT, port numbers are dynamically assigned as traffic flows through the router. The port number range is automatically selected, and manual configuration of each mapping is not required. NAPT dynamically uses different ports for mapping private IP addresses to a single public IP address.

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asked 24/10/2024
Brian Charlton,
43 questions
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