To retrieve the Multicast MAC address of a cluster, which command should be executed?

To retrieve the Multicast MAC address of a cluster, the appropriate command to execute is the one that specifically interacts with the Internet Group Management Protocol (IGMP), which is responsible for managing multicast groups in IP networks. The command provides insight into the multicast operations of the cluster, including the necessary MAC address information.

Using the command related to IGMP is essential since it directly relates to multicast functionality. This command conveniently displays details about the multicast members that are part of the cluster, thereby facilitating network and cluster management.

Other commands in the options serve different purposes; for example, one command checks internal interfaces and other aspects of the cluster, while another might provide debugging information. However, none of these focus specifically on retrieving the multicast MAC address as effectively as the command that engages IGMP directly. Thus, using the command focused on IGMP is the correct approach to obtain the desired multicast MAC address information for the cluster.