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NSE 4 · Source and destination NAT

Practice question 133 of 440 · medium

A one-to-one pool contains two external addresses. Three different internal addresses need concurrent mappings. What limitation should be recognized?

Choose the single best answer.

  1. A.Only two internal addresses can have simultaneous one-to-one mappings
  2. B.All three share one pool address through PAT
  3. C.The pool automatically creates a third address
  4. D.The server destination port sets the number of pool addresses
Show the answer and explanation

✓ Correct answer

  • Only two internal addresses can have simultaneous one-to-one mappings

One-to-one disables PAT and needs a separate external address per simultaneous internal-address mapping. It neither creates addresses nor derives capacity from destination ports.

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Unofficial study material, independently created and unaffiliated with Fortinet. Questions are original practice items, not recalled exam content. Published-topic coverage does not guarantee examination success. FortiOS baseline is 7.6.0; independently versioned FortiSASE and CNF references are qualified where relevant.