The duplicate address detection feature for NDP in the following description is incorrect?

• A.IPv6 unicast address is called a tentative address after it is assigned to an interface and before it is detected by duplicate addresses
• B.The interface needs to perform duplicate address detection before enabling any of the unicast IPv6 addresses
• C.Duplicate address detection is implemented via RS and RA messages
• D.IPv6 duplicate address detection technology is similar to free ARP in IPv4

Comment: *

Name: *

Email: *

Verification: *

RD is used to distinguish the same IP address in different VPNs, how many bits does RD contain? (Single choice)

• A.16
• B.128
• C.64
• D.32

Comment: *

Name: *

Email: *

Verification: *

Which IPV6 address would you ping to confirm that OSPFv3 is capable of pastoring unicast messages over the link?

• A.Global Address of the link
• B.Unique Local Add
• C.Anycast Address
• D.Site local Multicast
• E.Link Local Address

Comment: *

Name: *

Email: *

Verification: *

If you want to advertise 19072270/27 to an EBGP neighbor, is the following command correct?

• A.network 19072270255255255224
• B.network 19072270 mask 255255255224
• C.network 19072270
• D.network 19072270255255255240
• E.network 1907227000031

Comment: *

Name: *

Email: *

Verification: *

IPV6 multicast introduces the concept of multicast scope, which of the following ways is the multicast scope concept implemented? Multi-select

• A.When the group shake source sends IP6 multicast data, the TTL value of the packet is set to limit the transmission range of the group shake
• B.During network configuration, the administrator uses the configuration command at the edge of the network to limit the multicast scope.
• C.Multicast scope is just a concept of spreading scope, and there is no specific technical implementation.
• D.There is a special field in the IPv6 multicast address that specifies the propagation range of multicast.

Comment: *

Name: *

Email: *

Verification: *