What is a state of init and the system that defines what system services are operating?

Bootloading

RAID

Undefined

runlevel

Kernel

After powering on$,$ what is the correct order operating system boot proses?

Loading OS$,$ loading system utilities, self test

Loading system utilities, self test, loading OS

Self test, loading system utilities, loading OS

Self test, loading OS$,$ loading system utilities

Loading system utilities, loading OS$,$ self test

Which protocol is used to ping a port on a remote server?