H12-811_V1.0 · Question #865
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…
The correct answer is A. Only the port number range needs to be configured. 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…
Question
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?
Options
- AOnly the port number range needs to be configured.
- BThe mappings between port numbers and private IP addresses must be manually configured.
- CAn ACL is required to allocate port numbers.
- DNo port number needs to be configured.
How the community answered
(33 responses)- A82% (27)
- B9% (3)
- C6% (2)
- D3% (1)
Explanation
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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