A subnet engineer plans an IPv6 LAN and assigns a /64 prefix to each VLAN interface. Why is /64 the conventional choice for a single LAN?
Answers
AIt reserves the maximum number of bits for the host identifier
BIt provides an enormous address space and keeps the subnet identifier fixed at 64 bits for router advertisement
CIt is the only prefix length permitted by the IPv6 standard
DIt allows the subnet to be aggregated into a single global prefix
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