Question:
What is the most efficient subnet mask for a point to point ipv6 connection?
- /127
- /128
- /64
- /48
- /32
Explanation: On inter-router point-to-point links, it is useful, for security and other reasons, to use 127-bit IPv6 prefixes. Such a practice parallels the use of 31-bit prefixes in IPv4.
Reference: https://tools.ietf.org/html/rfc6164
Exam with this question: CCNA v3.0 (200-125) Study Guide – Exam Dumps
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