An engineer wants to make a local web server accessible over the Internet using Static NAT. What does Static NAT map in the network?

Question

Options

• Amany public IP addresses to a single local IP address
• Bmany local IP addresses to a pool of public IP addresses
• Csingle local IP address to single public IP address
• Dmany local IP addresses to a single public IP address

• B
  6% (1)
• C
  89% (16)
• D
  6% (1)

Explanation

Static NAT creates a permanent, one-to-one mapping between a single private (local) IP address and a single public IP address. This is ideal for servers that must be reachable from the internet at a consistent, predictable public address - such as a web server. Because the mapping never changes, external clients always know which public IP to reach. Option A (many public to one local) is not a standard NAT type. Option B (many local to a pool of public) describes Dynamic NAT. Option D (many local to one public) describes PAT/NAT overload (the most common form used for outbound internet access). Static NAT's defining trait is its permanent 1:1 relationship.

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