Which option in the Postfix configuration makes Postfix pass email to external destinations to another SMTP-server? (Specify ONLY the option name without any values.)

Which Linux user is used by vsftpd to perform file system operations for anonymous FTP users? A. The Linux user which runs the vsftpd process B. The Linux user that owns the root FTP directory ser...

A zone file contains the following lines: $ORIGIN example.com host2.example.org. IN A 198.51.100.102 and is included in the BIND configuration using this configuration stanza: zone "example....

Which of the following values can be used in the OpenLDAP attribute olcBackend for any object of the class olcBackendConfig to specify a backend? (Choose three.) A. xml B. bdb C. passwd D. ldap...

Which of the following DNS records could be a glue record? A. ns1.lab A 198.51.100.53 B. lab NS 198.51.100.53 C. ns1.lab N S198.51.100.53 D. ns1. A 198.51.100.53 E. ns1.lab GLUE 198.51.100.53

Which of the following actions synchronizes UNIX passwords with the Samba passwords when the encrypted Samba password is changed using smbpasswd? A. There are no actions to accomplish this since is...

Using its standard configuration, how does fail2ban block offending SSH clients? A. By rejecting connections due to its role as a proxy in front of SSHD. B. By modifying and adjusting the SSHD con...

What does the samba-tool testparm command confirm regarding the Samba configuration? A. The configuration loads successfully. B. The service operates as expected. C. The Samba services are starte...

Which netfilter table contains built-in chains called INPUT, OUTPUT and FORWARD? A. ipconn B. filter C. nat D. default E. masq

Which of the following commands is used to change user passwords in an OpenLDAP directory? A. setent B. ldpasswd C. olppasswd D. ldappasswd E. ldapchpw