WebSphere Application Server ND performance advisors are available for which two resources?

Anew application sever profile named profile1 was created using the manageprofiles command.
The profile creation failed with the following error.
"INSTCONFFAILED: The profile could not be created"
There were no other WebSphere processes Tuning on the machine. When examining the app_senver_root/logs/maneageproflles/prfile1_ceade.logfe the following error is shown:
com.ibm.wsspi.profile.WSProfileException: Another profile1 process is
running or a lock file exists.
Which WebSphere Application Sever ND file must be deleted to fix the error?

Which of the following is true about rolling back fix pack levels of the product?

Which of the following can be queried to get PMI data?

What does the principle of "Least Privilege" refer to in security?