LPI 102-500 Exam Dumps

LPI 102-500 Sample Question Answers

Question # 1

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

A. The field is not changed during the transport of a package.
B. The field is transmitted within a hop-by-hop extension header.
C. Each router forwarding the packet increases the field’s value.
D. Each router forwarding the packet decreases the field’s value.
E. For multicast packages, the field’s value is always 1.

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Question # 2

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?

A. mail.*/var/log/maillogmail,crit@logger.example.org
B. mail.*/var/log/maillogmail.critsyslog://logger.example.org
C. mail/var/log/maillogmail.crit@logger.example.org
D. mail.*/var/log/maillogmail.crit@logger.example.org
E. mail */var/log/maillogmail crit@logger.example.org

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Question # 3

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

A. Network interfaces may become active or inactive.
B. New name servers may be added to the resolver configuration.
C. The system’s host name may change.
D. IP addresses may change.
E. The routing table may change.

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Question # 4

Which file, if present, must contain all users that are allowed to use the cron scheduling system? (Specify the full name of the file, including path.)

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Question # 5

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

A. SMTP
B. POP3
C. NTP
D. IMAP
E. LDAP

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Question # 6

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

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Question # 7

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

A. It is incompatible with syslog and cannot be installed on a system using regular syslog.
B. It only processes messages of systemd and not messages of any other tools.
C. It can pass log messages to syslog for further processing.
D. It maintains metadata such as _UID or _PID for each message.
E. It supports syslog facilities such as kern, user, and auth.

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Question # 8

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 specified 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.

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Question # 9

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

A. result: 6 5 4
B. result: 1 2 3 4 5 6
C. result: 3 4 5 6 2 1
D. result: 6 5 4 3 2 1
E. result: 3 2 1 

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Question # 10

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

A. The timestamp of the user’s last login
B. The user’s private SSH keys
C. The hashed password of the user
D. The numerical user ID (UID)
E. The path to the user’s home directory

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Question # 11

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)?

A. export LANGUAGE=“pt”
B. export LC_MESSAGES=“pt”
C. export UI_MESSAGES=“pt”
D. export MESSAGE=“pt”
E. export ALL_MESSAGES=“pt”

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Question # 12

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.) 

A. Year
B. Minute
C. Username
D. Effective group ID
E. Command

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Question # 13

What can be specified 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.

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Question # 14

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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Question # 15

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

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Question # 16

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

A. iburst
B. quickstart
C. fast
D. D. fsync
E. flood

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Question # 17

What is the purpose of TCP wrapper? 

A. Manage and adjust bandwidth used by TCP services.
B. Bind a network service to a TCP port.
C. Encapsulate TCP messages in IP packets. 
D. Add SSL support to plain text TCP services.
E. Limit access to a network service.

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Question # 18

Which command included in systemd supports selecting messages from the systemd journal by criteria such as time or unit name? (Specify only the command without any path or parameters.) 

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Question # 19

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

A. nmcli ethernet
B. nmcli device
C. nmcli wifi
D. nmcli address
E. nmcli connection

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Question # 20

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

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