What does the samba-tool testparmcommand confirm regarding the Samba configuration?

In order to protect a directory on an Apache HTTPD web server with a password, this configuration was added to an .htaccessfile in the respective directory:

Furthermore, a file /var/www/dir/ .htpasswdwas created with the following content:
usera:S3cr3t
Given that all these files were correctly processed by the web server processes, which of the following statements is true about requests to the directory?

The following Apache HTTPD configuration has been set up to create a virtual host available at www.example.com and www2.example.com:

Even though Apache HTTPD correctly processed the configuration file, requests to both names are not handled correctly. What should be changed in order to ensure correct operations?

The content of which local file has to be transmitted to a remote SSH server in order to be able to log into the remote server using SSH keys?

CORRECT TEXT
What is the path to the global Postfix configuration file? (Specify the full name of the file, including path.)