Which command will determine whether auto-summarization is in effect for RIP?

To determine whether auto-summarization is in effect for Routing Information Protocol (RIP), you can use the command show ip protocols. This command will display the routing protocol settings and indicate whether auto-summarization is enabled or disabled. Look for the line that specifies "auto-summary" in the output. If it is present, auto-summarization is enabled; if not, it is disabled.