Question 56
The network is as shown in the figure, and SWA, SWB, SWC, and SWD run RSTP, then which of the following statement is correct? (Multiple choice)


Question 57
When configuring the multicast routing protocol, you first need to execute the () routing-enable command, and then configure the PFIM protocol. (Please fill in the complete command without abbreviation, and use all lowercase English letters).
Question 58
Which of the following categories can ACL be divided into? (Multiple choice)
Question 59
Which of the following descriptions about IGMPv3 is wrong?
Question 60
Which of the following SA descriptions about various messages is wrong? (Multiple choice)
