As shown in the figure, router A has successfully telneted to router B using 10.0.12.2. Which of the following operations will interrupt the Telnet session between router A and router B?

Which of the following statements about IPv6 address configuration is correct? ()*

The following statement about static routing is wrong ()

As shown in the figure, two switches use the default parameters to run STP root primary; Switch B uses the configuration command STP priority 0. Then which port will be blocked? () (Single-choice question)

The IPv6 protocol uses NS and NA. packets for duplicate address detection ().