The following description about the specified port of the spanning tree is correct ()

As shown in the following figure, in the switching network, all switches are running the stp protocol. When the topology is stable, which of the following switches can be used to modify the BPDU sending cycle. Can it affect the SWD configuration BPDU sending cycle? () (Single-choice question)

Which of the following statements is true?

In the network shown in the figure below, what commands can be entered on the router to make host A ping host B through? ()

On Huawei ARG3 routers, the -i parameter of the Ping command in VRP is used to set ().