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Exam 300-420 topic 1 question 34 discussion

Actual exam question from Cisco's 300-420
Question #: 34
Topic #: 1
[All 300-420 Questions]

A customer's environment includes hosts that support IPv6-only. Several of these hosts must communicate with a public web server that has only IPv4 domain name resolution. Which solution should the customer use in this environment?

  • A. utilize NAT64 to translate the addresses
  • B. implement NAT44 at the edge of the customer network
  • C. use 6to4 and a tunnel to translate the addresses
  • D. implement 6PE to resolve hostname resolution
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Suggested Answer: A 🗳️
by eva27 at July 29, 2022, 9:38 a.m.

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eva27
1 year ago
NAT64 is a mechanism for IPv4-to-IPv6 transition and IPv4-IPv6 coexistence. Together with DNS64, the primary purpose of NAT64 is to allow an IPv6-only client to initiate communications to an IPv4-only server.NAT64 can also be used for IPv4-only clients initiating communications with IPv6-only servers using static or manual bindings
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