102-500 Practice Test Free – 50 Real Exam Questions to Boost Your Confidence
Preparing for the 102-500 exam? Start with our 102-500 Practice Test Free – a set of 50 high-quality, exam-style questions crafted to help you assess your knowledge and improve your chances of passing on the first try.
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- Gain the confidence you need to succeed on exam day
Below, you will find 50 free 102-500 practice questions to help you prepare for the exam. These questions are designed to reflect the real exam structure and difficulty level. You can click on each Question to explore the details.
Which of the following states can NetworkManager show regarding the system's network connectivity? (Choose two.)A. up
B. portal
C. full
D. login-required
E. rewalled
Which of the following environment variables can be defined in locale.conf? (Choose two.)A. LC_ALL
B. LC_USERNAME
C. LC_UTF8
D. LC_GEOGRAPHY
E. LC_TIME
Which of the following protocols is related to the term open relay?A. SMTP
B. POP3
C. NTP
D. IMAP
E. LDAP
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?A. The local routing information may be corrupted and must be re-validated using a routing protocol.
B. One of the routers in the routing table is not available which causes the automatic router failure detection mechanism (ARF-D) to wait for a timeout.
C. There may accidentally be more than one default router in which case a default router election has to be done on the network in order to choose one router as the default.
D. The Linux Kernel Routing Daemon (LKRD) is not running and should be started using its init script or systemd unit.
E. DNS resolution may not be working as route by default tries to resolve names of routers and destinations and may run into a timeout.
What is the systemd journal stored?A. /var/jlog/ and /var/jlogd/
B. /proc/log/ and /proc/klog/
C. /run/log/journal/ or /var/log/journal/
D. /var/log/syslog.bin or /var/log/syslog.jrn
E. /etc/systemd/journal/ or /usr/lib/systemd/journal/
How do shadow passwords improve the password security in comparison to standard no-shadow password?A. Regular users do not have access to the password hashes of shadow passwords.
B. Every shadow password is valid for 45 days and must be changed afterwards.
C. The system's host key is used to encrypt all shadow passwords.
D. Shadow passwords are always combined with a public key that has to match the user's private key.
E. Shadow passwords are stored in plain text and can be checked for weak passwords.
Which of the following comparison operators for test work on elements in the file system? (Choose two.)A. "z
B. "eq
C. "d
D. "f
E. "lt
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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.)
Which of the following commands shows all active systemd timers?A. systemctl-timer show
B. timectl list
C. systemctl "t
D. systemctl list-timers
E. timeq
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?A. sshd
B. ssh-keyring
C. ssh-keygen
D. ssh-pki
E. ssh-agent
Which character in the password field of /etc/passwd is used to indicate that the encrypted password is stored in /etc/shadow?A. *
B. -
C. s
D. #
E. x
How many IP addresses can be used for unique hosts inside the IPv4 subnet 192.168.2.128/26?A. 6
B. 14
C. 30
D. 62
E. 126
Which of the following statements is true regarding systemd timer units?A. Timer units can only be defined within a service unit's file.
B. The command executed by the timer is speci ed in the timer unit's [Cmd] section.
C. A dedicated system service, systemd-cron, handles the execution of timer units.
D. Timer units only exist in the system scope and are not available for users.
E. Each systemd timer unit controls a specific systemd service unit.
Which file inside the CUPS configuration directory contains the settings of the printers?A. cups-devices.conf
B. snmp.conf
C. printers.conf
D. printcap.conf
E. cupsd.conf
Which of the following options in the chrony configuration file define remote time sources? (Choose two.)A. source
B. clock
C. remote
D. pool
E. server
Which of the following are valid host addresses for the subnet 203.0.113.64/28? (Choose two.)A. 203.0.113.64
B. 203.0.113.78
C. 203.0.113.65
D. 203.0.113.80
E. 203.0.113.81
Which of the following statements is true if the UID of a regular user is identical to the GID of a group?A. UID have precedence over GIDs, therefore the user is available while the group doesn't.
B. The user as well as the group are not available to avoid ambiguity due to the ID conflict.
C. UIDs and GIDs are independent of each other, therefore the user as well as the group are still available.
D. The user is the only member of the group, even if the group configuration contains other members.
E. GIDs have precedence over UIDs, therefore the group is available while the user isn't.
Which configuration file contains the default options for SSH clients?A. /etc/ssh/sshd_config
B. /etc/ssh/ssh
C. /etc/ssh/ssh_config
D. /etc/ssh/client
E. /etc/ssh/ssh_client
Which of the following statements is valid in the file /etc/nsswitch.conf?A. multi on
B. 192.168.168.4 dns-server
C. namespaces: net mount procs
D. include /etc/nsswitch.d/
E. hosts: files dns
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?A. set ls='ls -l'
B. alias ls='ls -l'
C. alias --force ls='ls -l'
D. alias --update ls ls='ls -l'
E. realias ls='ls -l'
Which of the following commands is used to rotate, compress, and mail system logs?A. logrotate
B. striplog
C. syslogd "-rotate
D. rotatelog
E. logger
What is true regarding the statement beginning with #! that is found in the first line of script? (Choose two.)A. It prevents the scripts from being executed until the ! is removed.
B. it triggers the installation of the script's interpreter.
C. It speci es the path and the arguments of the interpreter used to run the script.
D. It defines the character encoding of the script.
E. It is a comment that is ignored by the script interpreter.
Depending on a system's configuration, which of the following files can be used to enable and disable network services running on this host?A. /etc/profile
B. /etc/xinetd.conf
C. /etc/ports
D. /etc/services
E. /etc/host.conf
Which of the following commands lists all defines variables and functions within Bash?A. env
B. export
C. env -a
D. set
E. echo $ENV
What output does the command seq 10 produce?A. A continuous stream of numbers increasing in increments of 10 until the command is stopped.
B. It creates no output because a second parameter is missing.
C. The number 0 through 9 with one number per line.
D. The number 10 to standard output.
E. The numbers 1 through 10 with one number per line.
If neither cron.allow nor cron.deny exist in /etc/, which of the following is true?A. Without additional configuration, all users may create user specific crontabs.
B. Without additional configuration, only root may create user specific crontabs.
C. The cron daemon will refuse to start and report missing files in the system's log file.
D. When a user creates a user specific crontab the system administrator must approve it explicitly.
E. The default settings of /etc/crond.conf define whether or not user specific crontabs are generally allowed or not.
Which of the following is a valid IPv6 address?A. 2001:db8:0g21::1
B. 2001::db8:4581::1
C. 2001:db8:3241::1
D. 2001.db8.819f..1
Which of the commands below might have produced the following output?
A. dig -t mx www.example.org
B. dig www.example.org
C. dig -t ns www.example.org
D. dig -t a www.example.org
E. dig -t soa www.example.org
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Which command included in NetworkManager is a curses application which provides easy acces to the NetworkManager on the command line? (Specify only the command without any path or parameters.)
nmtui
Which of the following commands sets the system's time zone to the Canadian Eastern Time?A. localegen -t -f /usr/share/zoneinfo/Canada/Eastern > /etc/locate.tz
B. tzconf /etc/localtime
C. sysctl -w clock.tz='Canada/Eastern'
D. modprobe tz_ca_est
E. ln -sf /usr/share/zoneinfo/Canada/Eastern /etc/localtime
What is true about the following command?
nmcli device wi connect WIFIoIA. NetworkManager opens a new public hotspot with the SSID WIFIoI.
B. NetworkManager creates an unconfigured new virtual network interface named WIFIoI.
C. NetworkManager creates a new wi connection WIFIoI and activates it.
D. NetworkManager returns an error in case the connection WIFIoI does not exist.
E. NetworkManager returns an error because WIFIoI is an invalid wi device.
What information is shown by the echo $? command?A. The process ID of the echo command.
B. The exit value of the command executed immediately before echo.
C. The process ID which will be used for the next command.
D. The exit value of the echo command.
E. The process ID of the current shell.
Which of the following elds can be found in the /etc/group file? (Choose two.)A. The home directory of the group.
B. The list of users that belong to the group.
C. The name of the group.
D. The default group ACL.
E. The description of the group.
Which of the following is true regarding the command sendmail?A. With any MTA, the sendmail command must be run periodically by the cron daemon.
B. When using systemd, sendmail is an alias to relayctl.
C. The sendmail command prints the MTA's queue history of which mails have been sent successfully.
D. It is only available when the sendmail MTA is installed.
E. All common MTAs, including Post x and Exim, provide a sendmail command.
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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.)
mailq
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What command list the aliases defined in the current Bash shell? (Specify only the command without any path or parameters.)
What can be speci ed with useradd? (Choose two.)A. Commands the user can run using sudo.
B. The absolute path to the user's home directory.
C. Which printers are available for the new user.
D. The SSH keys used to login to the new account.
E. The numeric user ID (UID) of the user.
Which of the following protocols is designed to access the video card output of a virtual machine?A. KDE
B. X11
C. Xfce
D. SPICE
E. XDMCP
How can a specific user be prevented from scheduling tasks with at?A. By adding the specific user to the /etc/at.allow file.
B. By adding the specific user to the [deny] section in the /etc/atd.conf file.
C. By adding the specific user to the nojobs group.
D. By adding the specific user to the /etc/at.deny file.
E. By executing the atd --deny [user] command.
Which command makes the shell variable named VARIABLE visible to subshells?A. export $VARIABLE
B. env VARIABLE
C. set $VARIABLE
D. set VARIABLE
E. export VARIABLE
Which standardized TCP port is used by HTTPS services?A. 25
B. 80
C. 8080
D. 443
E. 636
Which of the following files is not read directly by a Bash login shell?A. ~/.bashrc
B. ~/.bash_profile
C. ~/.bash_login
D. ~/.profile
E. /etc/profile
Which of the following are syslog facilities? (Choose two.)A. local5
B. accounting
C. mail
D. postmaster
E. remote
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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.)
Which of the following elds are available in the standard format of both the global /etc/crontab file as well as in user-specific crontab files? (Choose two.)A. Year
B. Minute
C. Username
D. Effective group ID
E. Command
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?A. At 14:15 local time, January till May.
B. At 15:14 local time, 1st to 5th day of month.
C. At 14:15 local time, February till June.
D. At 14:15 local time, 1st to 5th day of month.
E. At 14:15 local time, Monday to Friday
What output does the command seq 1 5 20 produce?A. 1
B. 1
C. 1
D. 2
E. 5
Which of the following commands configure network interfaces based on the system's existing distribution-specific configuration files? (Choose two.)A. ifconf
B. ifdown
C. ifpause
D. ifstart
E. ifup
Which of the following nmcli subcommands exist? (Choose two.)A. nmcli ethernet
B. nmcli device
C. nmcli wi
D. nmcli address
E. nmcli connection
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What is the top-level directory which contains the configuration files for CUPS? (Specify the full path to the directory.)
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