102-500 Exam Questions

Which of the following statements is true regarding systemd timer units?

Which of the following fields are available in the standard format of both the global /etc/crontab file as well as in user-specific crontab files? (Choose two.)

Which of the following nmcli subcommands exist? (Choose two.)

Which of the following changes may occur as a consequence of using the command ip? (Choose three.)

How many IP addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/26?

Which of the following IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose three.)

Which of the following commands configure network interfaces based on the system's existing distribution- specific configuration files? (Choose two.)

Which of the following statements is true if the UID of a regular user is identical to the GID of a group?

What is the systemd journal stored?

Which of the following is true regarding the command sendmail?

Which file inside the CUPS configuration directory contains the settings of the printers?

Which of the following are syslog facilities? (Choose two.)

Which of the following parameters are used for journalctl to limit the time frame of the output? (Choose two.)

What is true regarding the file ~/.forward?

Which of the following commands display a list of jobs in the print queue? (Choose two.)

On a system using systemd-journald, which of the following commands add the message Howdy to the system log? (Choose two.)

Which of the following options in the chrony configuration file define remote time sources? (Choose two.)

Which of the following situations is observed and corrected by an NTP client?

If an alias ls exists, which of the following commands updates the alias to point to the command ls -l instead of the alias's current target?

Which of the following commands puts the output of the command date into the shell variable mydate?

What information is shown by the echo $? command?

Which of the following files is not read directly by a Bash login shell?

What is true about the file .profile in a user's home directory?

What is true regarding the statement beginning with #! that is found in the first line of script? (Choose two.)

What output does the command seq 1 5 20 produce?

Which of the following commands lists all defines variables and functions within Bash?

What information related to a user account is modified using the chage command?

Which command is used to set restrictions on the size of a core file that is created for a user when a program crashes?

How do shadow passwords improve the password security in comparison to standard no-shadow password?

After editing the TCP wrapper configuration to grant specific hosts access to a service, when do these changes become effective?

What is true regarding public and private SSH keys? (Choose two.)

Which of the following commands finds all files owned by root that have the SetUID bit set?

Which mechanism does ssh use to interact with the SSH agent?

Which of the following is true about IPv6?

What is true about the following command? nmcli device wifi connect WIFIoI

Which of the following states can NetworkManager show regarding the system's network connectivity? (Choose two.)

Which of the following are valid host addresses for the subnet 203.0.113.64/28? (Choose two.)

Which of the following keywords can be used in the file /etc/resolv/conf? (Choose two.)

How does the ping command work by default?

Which of the following commands display the number of bytes transmitted and received via the eth0 network interface? (Choose two.)

Given the following routing table: How would an outgoing packet to the destination 192.168.2.150 be handled?

Which of the following commands will delete the default gateway from the system's IP routing table? (Choose two.)

What is true about NetworkManager on a Linux system that uses its distribution's mechanisms to configure network interfaces? (Choose two.)

Which standardized TCP port is used by HTTPS services?

Which of the following environment variables can be defined in locale.conf? (Choose two.)

Which of the following commands sets the system's time zone to the Canadian Eastern Time?

How can a specific user be prevented from scheduling tasks with at?

Which file contains the data of the last change of a user's password?

Which of the following fields can be found in the /etc/group file? (Choose two.)

Which of the following sections exists in a systemd timer unit?