Which statements about controlling and inspecting system services on a Linux system with "systemd" are correct?

Pick ONE OR MORE options

The command

The command

The command

The command

"systemctl start $[$servicename$]"$ is used to start a specified service.

"systemctl pause $[$servicename$]"$ is used to temporarily halt a service without fully stopping it$.$

"systemctl enable" without specifying a service will enable all services on the system.

"systemctl is$-$active $[$servicename$]"$ checks if a specified service is currently active.