When subnetting IPv6 address space, why is it wise to subnet on a nibble boundary?
- IPv6 is expressed in hexadecimal, and each nibble is one hexadecimal character.
- You can only subnet IPv6 address space on nibble boundaries.
- Subnetting on a nibble boundary is the most efficient use of IPv6 address space.
- Subnetting on a nibble boundary is mandated by the Internet Numbering Authority.
Explanation: Subnetting on nibble boundaries increases the subnets in increments equal to a hexadecimal digit, making the process easier. There is no rule stating that you must subnet at a nibble boundary, nor is it the most efficient use of address space, but this is not a primary concern with the vast amount of addresses that IPv6 supplies.
Exam with this question: CCNA 1 ITNv6 Chapter 8: Check Your Understanding
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