200-301: Cisco Certified Network AssociateDemo

By Cisco · Question Mode

QuestionQ527

IP Connectivity

Question Image

Refer to the exhibit. The IPv6 address for the LAN segment on router R2 must be configured by using the EUI-64 format. Which address should be used?

  • A ipv6 address 2001:DB8:D8D2:1009:10A0:ABFF:FECC:1 eui-64
  • B ipv6 address 2001:DB8:D8D2:1009:1230:ABFF:FECC:1 eui-64
  • C ipv6 address 2001:DB8:D8D2:1009:4331:89FF:FF23:9 eui-64
  • D ipv6 address 2001:DB8:D8D2:1009:12A0:AB34:FFCC:1 eui-64
Explanation

With modified EUI-64, the router keeps the /64 prefix and derives the interface ID from its 48-bit MAC address by inserting FFFE in the middle and inverting the universal/local bit in the first byte. Using R2’s MAC address 12-a0-ab-cc-00-01 produces the interface ID 10A0:ABFF:FECC:0001, so the required address is 2001:DB8:D8D2:1009:10A0:ABFF:FECC:1.

Learn more

Community Discussion

No comments yet. Be the first to start the discussion!