The second layer switch belongs to the data link layer device, which can identify the MAC address information in the data frame, forward data according to the MAC address, and record these MAC addresses and corresponding port information in its own MAC address table. ()

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

In order to implement FIT AP online, FIT AP first needs to obtain the IP address of AC. Which of the following options is not included in FITAP obtaining the IP address of AC. ()

Which of the following statements about IPv6 anycast addresses are correct? ()*

What is the role of link aggregation?