When a company's network management needs to plan the network, the data packets that allow PC1 to access PC2 go through the G0/0/0 port (G0/0/2 on the picture). The data packet that PC2 accesses to PC1 goes from port G0/0/4 (G0/0/0 in the picture). () (Single-choice question)

As shown in the figure, two hosts realize communication between TAs through single-arm routing. When the G0/0/1.2 sub-interface of RTA.
receives the data frame sent by host B. to host A., RTA. will execute which of the following Operation? ()

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

What is the length of the Ethernet II frame containing the Ethernet header?

As shown in the figure below, assuming that the MAC address table of SWA. is as follows, now host A.
sends a data frame with a destination MAC address of MAC-B. Which of the following statements is correct? ()