Question 3:

You have just installed MySQL on Oracle Linux and adjusted your /etc/my.cnf parameters to suit your installation.
Examine the output:

A) MySQL server was not started due to a problem while executing process 2732.

B) systemd found the mysqld service disabled and failed to start it.

C) MySQL server continued to start up even though another process existed.

D) systemd waited for 30 seconds before timing out and start up failed.

E) systemd attempted to start mysqld, found another systemd mysqld process running, and shut it down.