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Exam 300-101 topic 1 question 166 discussion

Actual exam question from Cisco's 300-101
Question #: 166
Topic #: 1
[All 300-101 Questions]

Considering the IPv6 address independence requirement, which process do you avoid when you use NPTv6 for translation?

  • A. IPv6 duplication and conservation
  • B. IPsec AH header modification
  • C. checksum verification
  • D. rewriting of higher layer information
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Suggested Answer: D 🗳️
The IPv6-to-IPv6 Network Prefix Translation (NPTv6) serves as a useful mechanism for implementing address independence in an IPv6 environment. A major benefit associated with NPTv6 is the fact that it avoids the requirement for an NPTv6 Translator to rewrite the transport layer headers which reduces the load on network devices. NPTv6 also does not interfere with encryption of the full IP payload.
References:
http://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipaddr_nat/configuration/xe-16/nat-xe-16-book/iadnat-asr1k-nptv6.html
by thanhtq00104 at April 3, 2025, 5:22 p.m.

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