102-500 Exam Questions

Which of the following commands should be executed when starting a login shell in order to change the language of messages for an internationalized program to Portuguese (pt)?

Which of the following files assigns a user to its primary group?

Which of the following steps prevents a user from obtaining an interactive login session?

Which of the following statements about systemd-journald are true? (Choose three.)

Which option in the chrony configuration file changes the initial interval of polls to a NTP server in order to speed up the initial synchronization?

Which of the following commands is used to rotate, compress, and mail system logs?

Why is the correct configuration of a system's time zone important?

Which of the following commands lists all queued print jobs?

Which of the following entries in /etc/syslog.conf writes all mail related events to the file /var/log/ and sends all critical events to the remote server logger.example.com? maill...

Which of the following protocols is related to the term open relay?

Which of the following commands displays all environment and shell variables?

Which of the following comparison operators for test work on elements in the file system? (Choose two.)

What information is provided by the echo $$ command?

Which command makes the shell variable named VARIABLE visible to subshells?

What output is produced by the following command sequence? echo `1 2 3 4 5 6' | while read a b c; do echo result $c $b $a; done

Which of the following configuration files should be modified to globally set shell variables for all users?

What output does the command seq 10 produce?

Which of the following commands can be used to limit the amount of memory a user may use?

What is a purpose of an SSH host key?

What is the purpose of TCP wrapper?

Given the following excerpt of the sudo configuration: jane ANY=NOPASSWD: /bin/kill, /bin/id, PASSWD: /sbin/fdisk Which of the following statements are true? (Choose three.)

Which configuration file contains the default options for SSH clients?

Depending on a system's configuration, which of the following files can be used to enable and disable network services running on this host?

Which of the following commands can identify the PID od a process which opened a TCP port?

Which of the following commands preloads and manages existing SSH keys that are used for automatic authentication while logging in to order machines using SSH?

On a machine running several X servers, how do programs identify the different instances of the X11 server?

What is the purpose of a screen reader?

The X11 configuration file xorg.conf is grouped into section. How is the content of the section represented? SectionName

Which of the following features are provided by SPICE? (Choose two.)

Which of the following describes the Linux ping packet or datagram?

Which of the following looks like a correct entry in the /etc/hosts file?

What is the purpose of the dig command?

You suspect that a gateway machine on your network has failed but you are unsure which machine. Which command will help locate the problem?

Which bash option will prevent you from overwriting a file with a ">"?

Which directory in a user's home contains configuration files and key rings for GPG?

Which configuration file would you edit to change default options for outbound ssh sessions?

Which of the following is a valid IPv6 address?

Which if the following tools, used for DNS debugging, reports not only the response from the name sever but also details about the query?

Which of the following statements is valid in the file /etc/nsswitch.conf?

Which of the following connection types, as seen in nmcli connection show, may exist in NetworkManager? (Choose three.)

On a Linux workstation, the route command takes a long time before printing out the routing table. Which of the following errors does that indicate?

What is true about the Hop Limit field in the IPv6 header?

Which configuration file does sudo read when determining if a user is permitted to run applications with root privileges?

What command is used to hold keys during a login session to be used for automatic authentication while logging in to other machines using ssh?

When generating new authentication keys with SSH for a user, where should the private key be kept?

Which of the following information is stored in /etc/shadow for each user?

Which of the following commands shows all active systemd timers?

Which of the following tasks can the date command accomplish? (Choose two.)

What can be specified with useradd? (Choose two.)

What is true about the file /etc/localtime?