EMT Practice Test

1. Question Content...

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Question1: Which of the following changes may occur as a consequence of using the command ip? (Choose three.)

Question2: 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?

Question3: FILL BLANK
When using X11 forwarding in SSH, what environment variable is automatically set in the remote shell in order to help applications to connect to the correct X11 server? (Specify only the environment variable without any additional commands or values.)

Question4: Which of the following commands shows all active systemd timers?

Question5: Which of the following commands lists all queued print jobs?

Question6: Which of the following commands lists all defines variables and functions within Bash?

Question7: FILL BLANK
Which parameter is missing in the command
ip link set ____ dev eth0
to activate the previously inactive network interface eth0? (Specify the parameter only without any command, path or additional options.)

Question8: Depending on a system's configuration, which of the following files can be used to enable and disable network services running on this host?

Question9: 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.)

Question10: What can be specified with useradd? (Choose two.)

Question11: Which of the following commands can identify the PID od a process which opened a TCP port?

Question12: Which of the following is true about IPv6?

Question13: Which mechanism does ssh use to interact with the SSH agent?

Question14: Which of the following entries in /etc/syslog.conf writes all mail related events to the file /var/log/ maillog and sends all critical events to the remote server logger.example.com?

Question15: If neither cron.allow nor cron.deny exist in /etc/, which of the following is true?

Question16: Which configuration file contains the default options for SSH clients?

Question17: Which of the following situations is observed and corrected by an NTP client?

Question18: Which of the following is a valid IPv6 address?

Question19: How can a specific user be prevented from scheduling tasks with at?

Question20: Given the following user's crontab entry:
15 14 * * 1-5 /usr/local/bin/example.sh
When will the script /usr/local/bin/example.sh be executed?

Question21: FILL BLANK
The presence of what file will temporarily prevent all users except root from logging into a system? (Specify the full name of the file, including path.)

Question22: What is true regarding the file ~/.forward?

Question23: What is true regarding public and private SSH keys? (Choose two.)

Question24: Which of the following files assigns a user to its primary group?

Question25: Which of the following statements about systemd-journald are true? (Choose three.)

Question26: Which file contains the data of the last change of a user's password?

Question27: What output does the command seq 10 produce?

Question28: Which of the following keywords can be used in the file /etc/resolv/conf? (Choose two.)

Question29: FILL BLANK
Which command is used to sync the hardware clock to the system clock? (Specify only the command without any path or parameters.)

Question30: Which of the following protocols is related to the term open relay?

Question31: Which of the following commands shows all active systemd timers?

Question32: Which of the following configuration files should be modified to globally set shell variables for all users?

Question33: Which of the following commands sets the system's time zone to the Canadian Eastern Time?

Question34: Which of the following environment variables can be defined in locale.conf? (Choose two.)

Question35: Which of the following information is stored in /etc/shadow for each user?

Question36: What does the term Braille Display refer to?

Question37: FILL BLANK
Which command, available with all sendmail-compatible MTAs, is used to list the contents of the MTA's mail queue? (Specify only the command without any path or parameters.)

Question38: FILL BLANK
Which option in the /etc/ntp.conf file specifies an external NTP source to be queried for time information?
(Specify only the option without any values or parameters.)

Question39: Which of the following commands is used to rotate, compress, and mail system logs?

Question40: Which of the following commands shows all active systemd timers?

Question41: What information is shown by the echo $? command?

Question42: 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?