200-301 · Question #780
Which two features can dynamically assign IPv6 addresses? (Choose two.)
The correct answer is A. IPv6 stateless autoconfiguration D. IPv6 stateful autoconfiguration. IPv6 addresses can be dynamically assigned to devices using either Stateless Address Autoconfiguration (SLAAC) or Stateful DHCPv6.
Question
Which two features can dynamically assign IPv6 addresses? (Choose two.)
Options
- AIPv6 stateless autoconfiguration
- BDHCP
- CNHRP
- DIPv6 stateful autoconfiguration
- EISATAP tunneling
How the community answered
(18 responses)- A89% (16)
- B6% (1)
- C6% (1)
Why each option
IPv6 addresses can be dynamically assigned to devices using either Stateless Address Autoconfiguration (SLAAC) or Stateful DHCPv6.
IPv6 stateless autoconfiguration (SLAAC) allows devices to generate their own unique IPv6 addresses by combining a network prefix from a router advertisement with their MAC address (or a randomly generated identifier), without needing a DHCP server for address assignment.
DHCP is a general term; for IPv6 dynamic assignment, it specifically refers to DHCPv6 in stateful or stateless (SLAAC with DHCPv6 for other info) modes. Just 'DHCP' is too broad and often implies IPv4.
NHRP (Next Hop Resolution Protocol) is used in NBMA networks for resolving next-hop addresses and is not directly involved in dynamic IPv6 address assignment.
IPv6 stateful autoconfiguration refers to DHCPv6 in its stateful mode, where a DHCPv6 server fully manages and assigns IPv6 addresses and other configuration parameters to clients, maintaining stateful information about the assigned addresses.
ISATAP (Intra-Site Automatic Tunnel Addressing Protocol) is an IPv6 transition mechanism that allows IPv6 hosts to communicate over an IPv4 infrastructure, but it's not an address assignment method itself.
Concept tested: IPv6 dynamic address assignment methods
Source: https://www.cisco.com/c/en/us/support/docs/ip/ipv6/113175-ipv6-autoconfig.html
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