Troubleshooting Cloud Applications with Yes/No questions

Problem: can't logon

ask user to try another machine question? (it must be the machine)
ask to try another user account on same machine? (it must be the user account)
ask user to try another application on same machine? (it must be the service)
ask user to try a different network (toggle off Wifi and use cellular 5G)? (it must be the cloud)