100-150: Cisco Certified Support Technician (CCST) NetworkingDemo

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QuestionQ73

Network Access

Which protocol does an IPv6 host employ to resolve the MAC address associated with a destination IPv6 address?

  • A Neighbor Discovery Protocol (NDP)
  • B Cisco Discovery Protocol (CDP)
  • C Dynamic Host Configuration Protocol (DHCP)
  • D Address Resolution Protocol (ARP)
Explanation

Neighbor Discovery Protocol (NDP) performs IPv6 address resolution, using ICMPv6 Neighbor Solicitation and Neighbor Advertisement messages to determine the link-layer (MAC) address for a destination or next-hop IPv6 address. It replaces ARP for IPv6.

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