To rectify a VRRP group two-master fault, run the display this command on VLANIF interfaces on both ends of the VRRP group. Which of the following operations is not performed?

Which of the following statements regarding the operation window time for a software upgrade is false?

If network reconstruction in a project may affect services running on the live network, the implementer needs to formulate strict implementation process regulations and risk prevention measures. Such projects are usually defined as migration projects.

The essence of SDN is to construct a brain for a network and achieve optimal gbbal traffic through the global view and centralized control.

Which of the following steps or measures are taken in the one-by-one check phase of the structured network troubleshooting process? (Multiple Choice)