By pg_ctl status, it is possible to check the operating status of the database server
※This sample exam is different from those that appear in the actual OSS-DB Exam.
The main option of the pg_ctl command is
init (initdb): Create a new database cluster
start: Starting the database server
stop: Stopping the database server
restart: Restart the database server
reload: Reload configuration file
status: Check the operation status of the database server
There is no option of shutdown, reset.
Therefore, the correct answers are C and D.
For pg_hba.conf, refer to the following page of the manual.