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Exam Dumps CompTIA XK0-005 Zip & XK0-005 Certification Practice

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CompTIA XK0-005 is an advanced certification designed for professionals who want to validate their skills and knowledge in Linux administration. CompTIA Linux+ Certification Exam certification focuses on fundamental Linux concepts and commands, including operating systems, file management, user management, networking, and security. XK0-005 Exam is suitable for individuals who work in IT support or Linux administration, whether they are newcomers to the field or experienced professionals.

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CompTIA Linux+ certification exam consists of multiple-choice questions and performance-based simulations. XK0-005 Exam Duration is 90 minutes, and the passing score is 720 out of 900. XK0-005 exam fee is $329, and the certification is valid for three years. CompTIA Linux+ Certification Exam certification renewal requires the completion of 50 Continuing Education Units (CEUs) or retaking the exam. Overall, the CompTIA Linux+ certification is a valuable asset for IT professionals who want to advance their careers in Linux systems administration.

CompTIA Linux+ certification is not limited to any specific distribution of Linux. It covers the basic concepts and skills required to work with any Linux-based system. This makes the certification widely recognized and applicable to various Linux distributions such as Red Hat, Ubuntu, SUSE, and CentOS. CompTIA Linux+ Certification Exam certification is vendor-neutral, meaning it is not tied to any specific hardware or software vendor, making it a valuable certification for IT professionals working in different environments.

CompTIA Linux+ Certification Exam Sample Questions (Q615-Q620):

NEW QUESTION # 615
A Linux administrator is scheduling a system job that runs a script to check available disk space every hour.
The Linux administrator does not want users to be able to start the job. Given the following:

The Linux administrator attempts to start the timer service but receives the following error message:

Which of the following is MOST likely the reason the timer will not start?

A. The checkdiskspace.timer should be configured to allow manual starts.
B. The checkdiskspace.timer should be started using the sudo command.
C. The timers.target should be reloaded to get the new configuration.
D. The checkdiskspace.timer unit should be enabled via systemct1.

Answer: A

Explanation:
Explanation
The most likely reason the timer will not start is that the checkdiskspace.timer should be configured to allow manual starts. By default, systemd timers do not allow manual activation via systemct1 start, unless they have RefuseManualStart=no in their [Unit] section. This option prevents users from accidentally starting timers that are meant to be controlled by other mechanisms, such as calendar events or dependencies. To enable manual starts for checkdiskspace.timer, the administrator should add RefuseManualStart=no to its [Unit] section and reload systemd.
The other options are not correct reasons for the timer not starting. The checkdiskspace.timer unit does not need to be enabled via systemct1 enable, because enabling a timer only makes it start automatically at boot time or after a system reload, but does not affect manual activation. The timers.target does not need to be reloaded to get the new configuration, because reloading a target only affects units that have a dependency on it, but does not affect manual activation. The checkdiskspace.timer does not need to be started using the sudo command, because the administrator is already running systemct1 as root, as indicated by the # prompt. References: systemd.timer(5) - Linux manual page; systemct1(1) - Linux manual page

NEW QUESTION # 616
A Linux storage administrator wants to create a logical volume group.
Which of the following commands is required to start the process?

A. mkfs.xfs
B. vgcreate
C. pvcreate
D. lvcreate

Answer: C

Explanation:
To create the logical partition you have to start by creating the physical partitions. And the question is asking about the command to start the process.
https://access.redhat.com/documentation/en-
us/red_hat_enterprise_linux/7/html/logical_volume_manager_administration/lvm_examples

NEW QUESTION # 617
SIMULATION
A senior administrator has placed a private key for user admin in your home directory. The server you need to remotely access is server1 and SSH is listening on port 2222.
INSTRUCTIONS
Part 1
Review the command output and build the correct command to place the private key into your SSH folder.
Part 2
Review the command output and build the correct command to set the file permissions.
Part 3
Review the command output and build the correct command to set the correct ownership.
In each part, click on objects to build a complete command. Command objects may be used more than once, but not all will be used. Use _ as the spacebar. Click the arrow to remove any unwanted objects from your command.
Part 4
Select the proper file to edit for remote server access. Then, build the correct configuration output based on the server name, ports, and files.

Answer:

Explanation:
Part 1
Here is the step-by-step command construction process:
1. Move the private key (likely named server1 based on the provided details) to the .ssh directory:
mv ~/server1 ~/.ssh/id_rsa
This command moves the private key (assuming it's named server1) from the home directory (~) to the .ssh directory and renames it to id_rsa (which is the default SSH private key file name).
2. Set the correct permissions for the private key file:
chmod 600 ~/.ssh/id_rsa
The private key file should be readable and writable only by the owner to maintain security.
3. Connect to the server using the private key and the correct port (2222):
ssh -i ~/.ssh/id_rsa -p 2222 admin@server1
This command tells ssh to use the specified private key (-i ~/.ssh/id_rsa), connect on port 2222 (- p 2222), and log in as the admin user on server1.
Part 2: Setting File Permissions
The correct command to set the file permissions based on the screenshots would likely involve using chmod. Here is the command to set permissions correctly:
chmod 600 ~/.ssh/id_rsa
This restricts the private key's permissions so that only the user can read and write it.
Part 3: Setting Ownership
If ownership needs to be set, the command would look like this:
chown comptia:comptia ~/.ssh/id_rsa
This command ensures that the file is owned by the correct user (comptia) and the correct group (comptia).
In part 4, it asks you to select the proper file for editing to enable remote server access. Based on standard SSH configuration requirements, the proper file to edit for remote server access would be ~/.ssh/config.
Here's why:
~/.ssh/config: This file allows you to set up configuration options for different hosts, including specifying ports, user names, and the identity file (private key). You would add the necessary configuration for server1 to this file for easier access.

NEW QUESTION # 618
A DevOps engineer needs to allow incoming traffic to ports in the range of 4000 to 5000 on a Linux server. Which of the following commands will enforce this rule?

A. iptables -t filter -A INPUT -p tcp --dport 4000:5000 -j ACCEPT
B. iptables -f filter -I INPUT -p tcp --dport 4000:5000 -A ACCEPT
C. iptables filter -A INPUT -p tcp --dport 4000:5000 -D ACCEPT
D. iptables filter -S INPUT -p tcp --dport 4000:5000 -A ACCEPT

Answer: A

Explanation:
The command iptables -t filter -A INPUT -p tcp --dport 4000:5000 -j ACCEPT will enforce the rule of allowing incoming traffic to ports in the range of 4000 to 5000 on a Linux server. The iptables command is a tool for managing firewall rules on Linux systems. The -t option specifies the table to operate on, in this case filter, which is the default table that contains the rules for filtering packets. The -A option appends a new rule to the end of a chain, in this case INPUT, which is the chain that processes the packets that are destined for the local system. The -p option specifies the protocol to match, in this case tcp, which is the transmission control protocol. The --dport option specifies the destination port or port range to match, in this case 4000:5000, which is the range of ports from 4000 to 5000. The -j option specifies the target to jump to if the rule matches, in this case ACCEPT, which is the target that allows the packet to pass through. The command iptables -t filter -A INPUT -p tcp --dport 4000:5000 -j ACCEPT will add a new rule to the end of the INPUT chain that will accept the incoming TCP packets that have a destination port between 4000 and 5000. This command will enforce the rule and allow the traffic to the specified ports. This is the correct command to use to accomplish the task. The other options are incorrect because they either use the wrong options (-f instead of -t or -D instead of -A) or do not exist (iptables filter -A INPUT -p tcp --dport 4000:5000 -D ACCEPT or iptables filter -S INPUT -p tcp --dport 4000:5000 -A ACCEPT). Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 18: Securing Linux Systems, page 543.

NEW QUESTION # 619
A systems administrator notices the process list on a mission-critical server has a large number of processes that are in state "Z" and marked as "defunct." Which of the following should the administrator do in an attempt to safely remove these entries from the process list?

A. Kill the PID of the processes.
B. Reboot the server.
C. Kill the parent PID of the processes.
D. Kill the process with PID 1.

Answer: C

Explanation:
Explanation
As the web search results show, processes in state Z are defunct or zombie processes, which means they have terminated but their parent process has not reaped them properly. They do not consume any resources, but they occupy a slot in the process table. To remove them from the process list, the administrator needs to kill the parent process of the zombies, which will cause them to be reaped by the init process (PID 1). Killing the zombies themselves or the init process will not have any effect, as they are already dead. Rebooting the server may work, but it is not a safe or efficient option, as it may cause unnecessary downtime or data loss for a mission-critical server.
References
Processes in a Zombie (Z) or Defunct State | Support | SUSE, paragraph 3 linux - Zombie vs Defunct processes? - Stack Overflow, answer by admirableadmin How To Kill Zombie Processes on Linux | Linux Journal, paragraph 4

NEW QUESTION # 620
......

XK0-005 Certification Practice: https://www.examslabs.com/CompTIA/Linux/best-XK0-005-exam-dumps.html

P.S. Free & New XK0-005 dumps are available on Google Drive shared by ExamsLabs: https://drive.google.com/open?id=11LJmzIzMcJkB19KOZcIO1tCmvROK3_0S

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