The questions for this exam were last updated on January 7, 2026
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Which command is used to administer IPv6 netfilter rules?
Select one option, then reveal solution.
Question No. 2
Which of the following PAM modules sets and unsets environment variables?
Select one option, then reveal solution.
Question No. 3
CORRECT TEXT In order to export /usr and /bin via NFSv4, /exports was created and contains working bind mounts to /usr and /bin. The following lines are added to /etc/exports on the NFC server: After running mount-tnfsv4 server://mnt of an NFC-Client, it is observed that /mnt contains the content of the server’s /usr directory instead of the content of the NFSv4 foot folder. Which option in /etc/exports has to be changed or removed in order to make the NFSv4 root folder appear when mounting the highest level of the server? (Specify ONLY the option name without any values or parameters.)
Question No. 4
Which of the following PAM modules allows the system administrator to use an arbitrary file containing a list of user and group names with restrictions on the system resources available to them?
Select one option, then reveal solution.
Question No. 5
Which configuration parameter on a Postfix server modifies only the sender address and not the recipient address?
Select one option, then reveal solution.
Question No. 6
Which of the following commands can be used to connect and interact with remote TCP network services? (Choose two.)
Select all that apply, then reveal solution.
Question No. 7
CORRECT TEXT What is the name of the root element of the LDAP tree holding the configuration of an OpenLDAP server that is using directory based configuration? (Specify ONLY the element’s name without any additional information.)
Question No. 8
Which netfilter table contains built-in chains called INPUT, OUTPUT and FORWARD?
Select one option, then reveal solution.
Question No. 9
What is the purpose of DANE?
Select one option, then reveal solution.
Question No. 10
Which of the following statements is INCORRECT regarding the LDIF file format?
Select one option, then reveal solution.
Question No. 11
Which Postfix command can be used to rebuild all of the alias database files with a single invocation and without the need for any command line arguments?
Select one option, then reveal solution.
Question No. 12
Select the Samba option below that should be used if the main intention is to setup a guest printer service?
Select one option, then reveal solution.
Question No. 13
Given the following Squid configuration excerpt: cache_dir ufs /var/spool/squid3/ 1024 16 256 Which of the following directories will exist directly within the directory /var/spool/squid3/? (Choose two.)
Select all that apply, then reveal solution.
Question No. 14
On a Linux router, packet forwarding for IPv4 has been enabled. After a reboot, the machine no longer forwards IP packets from other hosts. The command: echo 1 > /proc/sys/net/ipv4/ip_forward temporarily resolves this issue. Which one of the following options is the best way to ensure this setting is saved across system restarts?
Select one option, then reveal solution.
Question No. 15
What information can be found in the file specified by the status parameter in an OpenVPN server configuration file? (Choose two.)
