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Lpi 102-500 Certification Exam is designed for Linux system administrators who have a basic understanding of Linux administration and want to advance their skills. LPIC-1 Exam 102, Part 2 of 2, version 5.0 certification proves that the individual has the necessary knowledge and skills to manage and configure Linux systems in a professional setting. It is an excellent way for individuals to demonstrate their expertise in Linux administration and gain recognition in the industry. The LPIC-1 certification is recognized by many organizations, including IBM, HP, and Novell, making it a valuable certification to have for those looking to advance their careers in Linux administration.

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Lpi LPIC-1 Exam 102, Part 2 of 2, version 5.0 Sample Questions (Q193-Q198):

NEW QUESTION # 193
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.crit@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.critsyslog://logger.example.org

Answer: B

Explanation:
The /etc/syslog.conf file is used to configure the syslog daemon, which handles the logging of system messages. The file consists of lines that have the following format:
selector action
The selector specifies the type and priority of the messages to be logged, and the action specifies what to do with the messages. The selector has two parts, separated by a dot: the facility and the priority. The facility indicates the source of the message, such as mail, auth, kern, etc. The priority indicates the severity of the message, such as emerg, alert, crit, err, etc. A priority can also be preceded by an equal sign (=) to match only that priority, or a minus sign (-) to match all priorities except that one.
The action can be one of the following:
* A filename, starting with a slash (/), indicating the file to write the messages to.
* A hostname, preceded by an at sign (@), indicating the remote host to send the messages to via UDP.
* A username, indicating the user to send the messages to via wall.
* An asterisk (*), indicating all logged-in users.
* A pipe symbol (|), followed by a command, indicating the program to pipe the messages to.
In this question, the correct entry is D. mail.*/var/log/maillogmail.crit@logger.example.org. This entry means:
* Log all mail related messages (mail.*) to the file /var/log/maillog.
* Log all critical mail messages (mail.crit) to the remote host logger.example.org.
The other options are incorrect because:
* Option A is missing a dot between mail and crit, and uses the wrong domain name (example.org instead of example.com).
* Option B uses an invalid action (syslog://logger.example.org) that is not supported by syslog.conf.
* Option C is missing a dot between mail and *.
* Option E is missing dots between mail and * and between mail and crit.
References: [LPI 102-500 Exam Objectives], Topic 106.1: Maintain system time, Weight: 3. [LPI Linux Essentials Study Guide], Chapter 9: Administrative Tasks, Section 9.4: System Logging.

NEW QUESTION # 194
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. Effective group ID
B. Minute
C. Year
D. Username
E. Command

Answer: B,E

Explanation:
The standard format of both the global /etc/crontab file and user-specific crontab files consists of six fields separated by spaces or tabs. The first five fields indicate when to execute the command that is specified in the sixth field. The fields are:
Minute: The minute of the hour (0-59) when the command should run.
Hour: The hour of the day (0-23) when the command should run.
Day of month: The day of the month (1-31) when the command should run.
Month: The month of the year (1-12 or Jan-Dec) when the command should run.
Day of week: The day of the week (0-7 or Sun-Sat, with 0 or 7 representing Sunday) when the command should run.
Command: The command or script to execute.
For example, the following entry in a crontab file will run the command /usr/bin/backup.sh every day at 2:30 AM:
30 2 * * * /usr/bin/backup.sh
The global /etc/crontab file has an additional field between the fifth and sixth fields, which is:
Username: The name of the user who will execute the command.
For example, the following entry in the /etc/crontab file will run the command /usr/bin/apt update as the root user every hour:
0 * * * * root /usr/bin/apt update
The other fields in the options are not part of the standard format of crontab files:
Year: This field is not supported by the standard cron daemon, but it may be available in some implementations, such as the Vixie cron. It would specify the year (1970-2099) when the command should run, and it would be placed after the month field.
Effective group ID: This field is not supported by any cron implementation, and it would not make sense to specify the group ID of the user who will execute the command, since it can be derived from the user ID.
Reference:
LPIC-1 Exam 102 Objectives, Topic 107: Administrative Tasks, Subtopic 107.2: Automate system administration tasks by scheduling jobs, Weight: 4, Key Knowledge Areas: Use cron and systemd timers to run jobs at regular intervals and to use anacron to manage system cron jobs. Objective: Use cron to run jobs at regular intervals.
LPIC-1 Exam 102 Learning Materials, Topic 107: Administrative Tasks, Subtopic 107.2: Automate system administration tasks by scheduling jobs, Section 107.2.1: cron, Page 18-20.

NEW QUESTION # 195
Where are user specific crontabs stored?

A. As individual per-user files within /var/spool/cron.
B. In the file /var/cron/user-crontab which is shared by all users.
C. In the .crontab file in the user's home directory.
D. As individual per-user files in /etc/cron.user.d.
E. In the database file /etc/crontab.db which is shared by all users.

Answer: A

NEW QUESTION # 196
Which command can be used to delete a group from a Linux system?

A. groupmod
B. groupedit
C. groupdel
D. groups

Answer: C

Explanation:
The groupdel command is used to delete a group from a Linux system. It removes the group name from the /etc/group and /etc/gshadow files, but not the group's configuration files, entries, or account files. The groupdel command requires root or sudo privileges and does not accept any options except for one for chroot. The groupdel command does not print any output on success, but it will display an error message if the group does not exist or if it is the primary group of an existing user. The groupdel command is part of the shadow-utils package, which provides tools for managing user and group accounts. The groupdel command is also compatible with the Linux Standard Base (LSB) specification, which defines a common set of commands and utilities for Linux distributions. Reference: 1234

NEW QUESTION # 197
Which mechanism does ssh use to interact with the SSH agent?

A. Creating an alias replacing ssh with calls to ssh-agent.
B. Evaluating environment variables such as SSH_AUTH_SOCK.
C. Starting ssh-agent as a child process for each ssh invocation.
D. Connecting to port 2222 which is used by the system-wide SSH agent.
E. Using the fixed socket .ssh-agent/ipc.

Answer: B

NEW QUESTION # 198
......

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