If you forgot Jenkins Admin password how to trouble shoot? DEVOPS Interview Question

in this session i teached about how to trouble shoot the jenkins admin password. 1 Q)if we lose the jenkins admin password how can we login to the jenkins server? trouble shoot it? using config.xml file - first change the line from (useSecurity)true(/useSecurity) to (useSecurity)false(/useSecurity) - then goto the jenkins portal and goto "configure global security" here enable "security relam as use jenkins own database" and setup "logged in user can do anything" - again signup and then give the admin access to the particular user