300-410 ENARSI: Implementing Cisco Enterprise Advanced Routing and ServicesDemo

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QuestionQ347

Infrastructure Security

Which two functions does IPv6 Source Guard perform?

Choose two
  • A It works independent from IPv6 neighbor discovery.
  • B It denies traffic from unknown sources or unallocated addresses.
  • C It uses the populated binding table to allow legitimate traffic.
  • D It denies traffic by inspecting neighbor discovery packets for specific patterns.
  • E It blocks certain traffic by inspecting DHCP packets for specific sources.
Explanation

IPv6 Source Guard validates the source of IPv6 data traffic against the populated binding table. It denies traffic from unknown or unallocated source addresses and permits legitimate traffic with a matching binding-table entry; it does not itself inspect Neighbor Discovery or DHCP packets.

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