Which two networks match the prefix match specification? (Choose two.)

Last Updated on April 27, 2021 by Admin

A network administrator is configuring a prefix list with the command

ipv6 prefix-list IPV6-1 seq 5 permit 2001:db8:abcd:30::/60 ge 61 le 63

Which two networks match the prefix match specification? (Choose two.)

  • 2001:db8:abcd:30::/60
  • 2001:db8:abcd:34::/62
  • 2001:db8:abcd:20::/62
  • 2001:db8:abcd:36::/63
  • 2001:db8:abcd:60::/64
    Answers Explanation & Hints:

    The prefix matching logic works the same for IPv6 networks as for IPv4 networks. The fourth hexadecimal group of the match specification is 0x0030, which is 00000000 00110000 in binary. To match /60 prefix length, the fourth hexadecimal group of a network must be between 00000000 00110000 and 00000000 00111111, that is, between 0x0030 and 0x003F. The prefix length must be between /61 and /63.

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