At what percentage does the DHCP client send the lease renewal message for the first time? ()

To ensure that the same data flow is forwarded on the same physical link, which load sharing method does the Eth-Trunk adopt? ()

The Trunk port can send both tagged data frames and untagged data frames.

NAPT distinguishes the IP addresses of different users through the protocol numbers in TCP, UDP, or IP packets ()

The network shown in the figure below. The router receives a data packet with a destination IP address of
11.0.12.1 from host A. After this data is forwarded by the router, what are the destination MAC and destination IP? )(Single-choice question)