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Exam NSE4_FGT-6.0 topic 1 question 79 discussion

Actual exam question from Fortinet's NSE4_FGT-6.0
Question #: 79
Topic #: 1
[All NSE4_FGT-6.0 Questions]

Which of the following are purposes of NAT traversal in IPsec? (Choose two.)

  • A. To delete intermediary NAT devices in the tunnel path.
  • B. To dynamically change phase 1 negotiation mode aggressive mode.
  • C. To encapsulation ESP packets in UDP packets using port 4500.
  • D. To force a new DH exchange with each phase 2 rekey.
Show Suggested Answer Hide Answer
Suggested Answer: AC 🗳️
by fugiyama at June 10, 2020, 8:09 p.m.

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fugiyama
Highly Voted 3 years, 10 months ago
Answer A should Be to detect! Not delete
upvoted 7 times
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stressed_ereck
Highly Voted 3 years, 8 months ago
A & C - Because: When NAT-T is enabled on both ends, peers can detect any NAT device along the path. If NAT is found, then the following occurs: - Both phase 2 and remaining phase 1 packets change to UDP port 4500. - Both ends encapsulate ESP within UDP port 4500.
upvoted 6 times
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bull01
Most Recent 3 years, 3 months ago
A & C - https://kb.fortinet.com/kb/documentLink.do?externalID=FD48755
upvoted 1 times
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ramzie
3 years, 5 months ago
Answer is B&C
upvoted 1 times
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kikiyusef
3 years, 9 months ago
Network Address Translation-Traversal (NAT-T) is a method for getting around IP address translation issues encountered when data protected by IPsec passes through a NAT device for address translation. ... NAT-T encapsulates both IKE and ESP traffic within UDP with port 4500 used as both the source and destination port.
upvoted 4 times
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belly123
3 years, 10 months ago
B & C i think
upvoted 1 times
...

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