Chapter 15
1. B. With Stateless Address Autoconfiguration (SLAAC), an ISP router could send Router Advertisements (RA), which advertise an IPv6 prefix, on the link connecting to a customer router. Stateless DHCPv6 uses SLAAC for IP address assignment and a DHCPv6 server to provide additional configuration options. Stateful DHCPv6 uses a DHCPv6 server for address assignment, as opposed to SLAAC. DHCPv6 Prefix Delegation (DHCPv6-PD) allows a DHCPv6 server to assign a collection of IPv6 networks to a DHCPv6 client (such as a router). However, stateless SLAAC is not a valid option.
2. D. The ipv6 route ::/0 next_hop_ipv6_address command is used to create a default static IPv6 route.
3. A, B, and D. In addition to the deny ipv6 any any implicit command ...
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