Which of the following statements are true?

The command ‘nmap sS O 10.142.232.10’ produces the following output:

PORT        STATE         SERVICE
631/tcp      open            ipp
3306/tcp    open            mysql

Which of the following statements are true ?
(Select 2 correct answers)

A.
A simple scan was launched

B.
The scan was executed by the root user

C.
Output will be send to a file instead of stdout

D.
A stealth SYN scan was launched

E.
There are no other services running on the machine