What is a valid IPv6 address?（）

第1题：

第2题：

The network administrator has been asked to give reasons for moving from ipv4 to ipv6. what are two validreasons for adopting ipv6 over ipv4？（）

• A、telnet access does not require a password
• B、nat
• C、no broadcast
• D、chanage of destination address in the ipv6 header
• E、chanage of source address in the ipv6 header
• F、autoconfiguration

第3题：

第4题：

What are three benefits of using IPv6?（）

• A、IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.
• B、IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.
• C、IPv6 eliminates the need for private to public NAT using a large address pool.
• D、IPv6 provides backward compatibility with IPv4 using the Next Header field.
• E、IPv6 represents large IP addresses using dotted decimal notation.

第5题：

What is the difference between the IPv6 addresses ：：/0 and ：：/128？（）

• A、：：/0 is the unspecified address， and ：：/128 is the multicast address
• B、：：/0 is the unicast address， and ：：/128 is the anycast address
• C、：：/0 is the unicast address， and ：：/128 is the multicast address
• D、：：/0 is the anycast address， and ：：/128 is the multicast address
• E、：：/0 is the default route， and ：：/128 is the unspecified address
• F、：：/0 is the anycast address， and ：：/128 is the default address

第6题：

What is IPv6 router solicitation?（）

• A、a request made by a node to join a specified multicast group
• B、a request made by a node for its IP address
• C、a request made by a node for the IP address of the DHCP server
• D、a request made by a node for the IP address of the local router

第7题：

During the IPv6 autoconfiguration, what does the device append to the 64- bit prefix that it receives from the router to create its IPv6 address?（）

• A、a pseudora ndom generated number
• B、its locally configured IPv4 address
• C、the DHCP - supplied device ID
• D、its MAC address

第8题：

第9题：

The IPv6 address FE80：：656：78FF://FE9A：BCDE is what type of address？（）

• A、Site-local
• B、Link-local
• C、Multicast
• D、None of the above

第10题：

what’s the role of link-address in Ipv6，is it necessary， why？