The output information of a certain device is shown in the figure. Which of the following statements are correct? () (Multiple Choice Questions)
Which of the following parameters need to be considered when electing a root port in STP? ()*
In the CAPWAP tunnel establishment phase, after AC. receives the Join Request message sent by the AP, AC. will check the validity of the AP. Which of the following is the authentication method supported by AC. ()*
Link aggregation is a common technology in enterprise networks. Which of the following descriptions are the advantages of link aggregation technology? ()*
According to the VTY user interface configuration shown in the following figure, the user level is set to 3.