Question 1 of 30
In a network utilizing IPv6 addressing, a network administrator is tasked with designing a subnetting scheme for a large organization that has been allocated the IPv6 prefix 2001:0db8:85a3::/64. The organization plans to create multiple subnets for different departments, each requiring a minimum of 500 addresses. How many bits should the administrator borrow from the host portion of the address to ensure that each subnet can accommodate at least 500 addresses, and what will be the new subnet prefix length?
9 bits, resulting in a /73 prefix length
8 bits, resulting in a /72 prefix length
7 bits, resulting in a /71 prefix length
6 bits, resulting in a /70 prefix length

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