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CompTIA Linux+ certification exam, also known as the XK0-005, is a globally recognized certification that validates the skills and knowledge of IT professionals working with Linux operating systems. CompTIA Linux+ Certification Exam certification is designed to test the candidate's ability to configure, manage, and troubleshoot Linux-based systems. It is a vendor-neutral certification, which means that it is not specific to any particular Linux distribution.

CompTIA XK0-005 exam is a certification exam that covers the fundamental concepts and skills required to work with the Linux operating system. CompTIA Linux+ Certification Exam certification is ideal for IT professionals looking to expand their knowledge and skills in Linux administration, configuration, and troubleshooting. XK0-005 Exam is designed to test candidates on their ability to install, configure, manage, and troubleshoot Linux systems, as well as their understanding of Linux security, networking, and scripting.

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CompTIA Linux+ certification exam is designed to certify the candidate's technical knowledge and skills in managing Linux systems. CompTIA Linux+ Certification Exam certification exam is vendor-neutral, which means it is not limited to any specific Linux distribution. Linux is a widely used operating system in the IT industry, and the demand for Linux professionals is increasing day by day. CompTIA XK0-005 Certification provides a great opportunity for IT professionals to enhance their career prospects in the Linux systems administration field.

CompTIA Linux+ Certification Exam Sample Questions (Q112-Q117):

NEW QUESTION # 112
An administrator transferred a key for SSH authentication to a home directory on a remote server. The key file was moved to .ssh/authorized_keys location in order to establish SSH connection without a password.
However, the SSH command still asked for the password. Given the following output:

Which of the following commands would resolve the issue?

A. chmod 600 .ssh/authorized_keys
B. restorecon .ssh/authorized_keys
C. ssh_keygen -t rsa -o .ssh/authorized_keys
D. chown root:root .ssh/authorized_keys

Answer: A

Explanation:
The command that would resolve the issue is chmod 600 .ssh/authorized_keys. This command will change the permissions of the .ssh/authorized_keys file to 600, which means that only the owner of the file can read and write it. This is necessary for SSH key authentication to work properly, as SSH will refuse to use a key file that is accessible by other users or groups for security reasons. The output of ls -l shows that currently the .ssh
/authorized_keys file has permissions of 664, which means that both the owner and group can read and write it, and others can read it.
The other options are not correct commands for resolving the issue. The restorecon .ssh/authorized_keys command will restore the default SELinux security context for the .ssh/authorized_keys file, but this will not change its permissions or ownership. The ssh_keygen -t rsa -o .ssh/authorized_keys command is invalid because ssh_keygen is not a valid command (the correct command is ssh-keygen), and the -o option is used to specify a new output format for the key file, not the output file name. The chown root:root .ssh
/authorized_keys command will change the owner and group of the .ssh/authorized_keys file to root, but this will not change its permissions or make it accessible by the user who wants to log in with SSH key authentication. References: How to Use Public Key Authentication with SSH; chmod(1) - Linux manual page

NEW QUESTION # 113
A new packages repository named repo10 has been installed on mirror site. A Linux administrator wants to use this new repository for local package installations. In which of the following locations should the administrator store the configuration information for the repo10 repository?

A. /etc/yum.reps.d/repo10
B. /etc/yum.reps.d/repo10.Repo
C. /etc/yum_repo.d/repo10
D. /etc/yum.conf

Answer: B

NEW QUESTION # 114
A Linux systems administrator receives reports from various users that an application hosted on a server has stopped responding at similar times for several days in a row. The administrator logs in to the system and obtains the following output:
Output 1:
Output 2:
Output 3:
Which of the following should the administrator do to provide the BEST solution for the reported issue?

A. Configure memory allocation policies during business hours and prevent the Java process from going into a zombie state while the server is idle.
B. Configure more CPU cores to allow for the server to allocate more processing and prevent the Java process from consuming all of the available resources.
C. Configure the swap space to allow for spikes in usage during peak hours and prevent the Java process from stopping due to a lack of memory.
D. Configure a different nice value for the Java process to allow for more users and prevent the Java process from restarting during business hours.

Answer: C

Explanation:
Based on the output of the image sent by the user, the system requires more swap space to allow for spikes in usage during peak hours and prevent the Java process from stopping due to a lack of memory. The output shows that there is only 0 MB of swap space available on the system, which means that there is no room for swapping out memory pages when physical memory is full or low. The output also shows that there is only
793 MB of available memory on the system, which may not be enough to handle high-demand applications such as Java. This may cause Java to stop working due to insufficient memory or trigger an OutOfMemoryError exception. Configuring more swap space on the system would help to alleviate this issue by providing more virtual memory for applications and improving performance. Configuring memory allocation policies during business hours will not help to solve this issue, as it will not increase the amount of available memory or swap space on the system. Configuring a different nice value for Java process will not help to solve this issue, as it will only affect its scheduling priority, not its memory consumption or allocation.
Configuring more CPU cores will not help to solve this issue, as it will only increase processing power, not memory capacity or availability. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 15: Managing Memory and Process Execution, page 468.

NEW QUESTION # 115
A DevOps engineer wants to implement a new feature on the infrastructure as code configuration.
Which of the following commands should the engineer use to accomplish this task?

A. git tag <feature>
B. git branch <feature>
C. git push <feature>
D. git pull <feature>

Answer: B

Explanation:
To create a new feature in Git, you typically create a new branch. The command git branch <feature> creates a new branch where the feature can be developed independently.
* Source: CompTIA Linux+ XK0-005 Study Guide - Chapter 14: Automation and Scripting Reference: Pro Git Book - Git Branching

NEW QUESTION # 116
The administrator comptia is not able to perform privileged functions on a newly deployed system. Given the following command outputs:
Which of the following is the reason that the administrator is unable to perform the assigned duties?

A. The administrator's credentials need to be more complex.
B. The administrator is not a part of the correct group.
C. The administrator needs a password reset.
D. The administrator did not update the sudo database.

Answer: B

Explanation:
The reason that the administrator is unable to perform the assigned duties is because the administrator is not a part of the correct group. This is option B.
Based on the image that you sent, I can see that the user comptia has a user ID and a group ID of 1000, and belongs to only one group, which is also comptia. However, the sudoers file, which defines the permissions for users to run commands as root or other users, does not include the comptia group in any of the entries.
Therefore, the user comptia cannot use sudo to perform privileged functions on the system.
The other options are incorrect because:
A: The administrator needs a password reset.
This is not true, because the password aging information for the user comptia shows that the password was last changed on Oct 24, 2023, and it does not expire until Jan 22, 2024. There is no indication that the password is locked or expired.
C: The administrator did not update the sudo database.
This is not necessary, because the sudo database is automatically updated whenever the sudoers file is modified. There is no separate command to update the sudo database.
D: The administrator's credentials need to be more complex.
This is not relevant, because the complexity of the credentials does not affect the ability to use sudo. The sudoers file does not specify any password policy for the users or groups that are allowed to use sudo.

NEW QUESTION # 117
......

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Reliable Reliable XK0-005 Test Notes bring you the best XK0-005 Books PDF for CompTIA CompTIA Linux+ Certification Exam

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CompTIA Linux+ Certification Exam Sample Questions (Q112-Q117):

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