EXAM COMPTIA XK0-005 ONLINE | NEW XK0-005 EXAM PREP

Exam CompTIA XK0-005 Online | New XK0-005 Exam Prep

Exam CompTIA XK0-005 Online | New XK0-005 Exam Prep

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To pass the CompTIA XK0-005 exam, candidates must demonstrate a solid understanding of Linux system administration, including command-line interfaces, system services, network protocols, and file systems. They must also be able to troubleshoot common issues and apply best practices for system maintenance and security. XK0-005 exam is challenging and requires a significant amount of preparation and study, but it is a valuable certification for IT professionals looking to advance their careers in Linux system administration.

CompTIA XK0-005 Exam, also known as the CompTIA Linux+ certification exam, is designed to test the knowledge and skills of IT professionals in the Linux operating system. XK0-005 exam covers a wide range of topics, including system architecture, security, installation and configuration, command line interface, and maintenance and troubleshooting. Passing XK0-005 exam demonstrates that an IT professional is capable of working with Linux at the entry-level.

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CompTIA XK0-005 exam consists of 90 questions and has a duration of 90 minutes. XK0-005 exam is available in English and Japanese and can be taken at Pearson VUE testing centers worldwide. XK0-005 Exam includes both multiple-choice and performance-based questions, which require candidates to perform tasks in a simulated Linux environment.

CompTIA Linux+ Certification Exam Sample Questions (Q198-Q203):

NEW QUESTION # 198
A DevOps engineer needs to download a Git repository from https://git.company.com/admin/project.git.
Which of the following commands will achieve this goal?

  • A. git checkout https://git.company.com/admin/project.git
  • B. git branch https://git.company.com/admin/project.git
  • C. git pull https://git.company.com/admin/project.git
  • D. git clone https://git.company.com/admin/project.git

Answer: D

Explanation:
Explanation
The command git clone https://git.company.com/admin/project.git will achieve the goal of downloading a Git repository from the given URL. The git command is a tool for managing version control systems.
The clone option creates a copy of an existing repository. The URL specifies the location of the repository to clone, in this case https://git.company.com/admin/project.git. The command git clone
https://git.company.com/admin/project.git will download the repository and create a directory named project in the current working directory. This is the correct command to use to accomplish the goal. The other options are incorrect because they either do not download the repository (git checkout, git pull, or git branch) or do not use the correct syntax (git checkout https://git.company.com/admin/project.git instead of git checkout -b project https://git.company.com/admin/project.git or git branch
https://git.company.com/admin/project.git instead of git branch project
https://git.company.com/admin/project.git). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 19: Managing Cloud and Virtualization Technologies, page 571.


NEW QUESTION # 199
A Linux administrator has set up a new DNS forwarder and is configuring all internal servers to use the new forwarder to look up external DNS requests. The administrator needs to modify the firewall on the server for the DNS forwarder to allow the internal servers to communicate to it and make the changes persistent between server reboots. Which of the following commands should be run on the DNS forwarder server to accomplish this task?

  • A. ufw allow out dns
  • B. systemctl reload firewalld
  • C. flrewall-cmd --zone-public --add-port-53/udp --permanent
  • D. iptables -A OUTPUT -p udp -ra udp -dport 53 -j ACCEPT

Answer: C

Explanation:
The command that should be run on the DNS forwarder server to accomplish the task is firewall-cmd --zone=public --add-port=53/udp --permanent. The firewall-cmd command is a tool for managing firewalld, which is a firewall service that provides dynamic and persistent network security on Linux systems. The firewalld uses zones and services to define the rules and policies for the network traffic. The zones are logical groups of network interfaces and sources that have the same level of trust and security. The services are predefined sets of ports and protocols that are associated with certain applications or functions. The --zone=public option specifies the zone name that the rule applies to. The public zone is the default zone that represents the untrusted network, such as the internet. The --add-port=53/udp option adds a port and protocol to the zone. The 53 is the port number that is used by the DNS service. The udp is the protocol that is used by the DNS service. The --permanent option makes the change persistent across reboots. The command firewall-cmd --zone=public --add-port=53/udp --permanent will modify the firewall on the server for the DNS forwarder to allow the internal servers to communicate to it and make the changes persistent between server reboots. This is the correct command to use to accomplish the task. The other options are incorrect because they either do not modify the firewall on the server for the DNS forwarder (ufw allow out dns or systemctl reload firewalld) or do not use the correct syntax for the command (iptables -A OUTPUT -p udp -ra udp -dport 53 -j ACCEPT instead of iptables -A OUTPUT -p udp -ra udp --dport 53 -j ACCEPT). Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 12: Managing Network Connections, page 392.


NEW QUESTION # 200
One leg of an LVM-mirrored volume failed due to the underlying physical volume, and a systems administrator is troubleshooting the issue. The following output has been provided:

Given this scenario, which of the following should the administrator do to recover this volume?

  • A. Reboot the server. The volume will revert to stripe mode.
  • B. Reboot the server. The volume will automatically go back to linear mode.
  • C. Replace the failed drive and reconfigure the mirror.
  • D. Recreate the logical volume.

Answer: C

Explanation:
Explanation
The administrator should replace the failed drive and reconfigure the mirror to recover the volume. The LVM (Logical Volume Manager) is a tool for managing disk space on Linux systems. The LVM allows the administrator to create logical volumes that span across multiple physical volumes, such as hard disks or partitions. The LVM also supports different types of logical volumes, such as linear, striped, or mirrored. A mirrored logical volume is a type of logical volume that creates a copy of the data on another physical volume, providing redundancy and fault tolerance. The output shows that the logical volume is mirrored and that one leg of the mirror has failed due to the underlying physical volume. This means that one of the physical volumes that contains the data of the logical volume is damaged or missing. This can cause data loss and performance degradation. The administrator should replace the failed drive and reconfigure the mirror to recover the volume. The administrator should identify the failed physical volume by using commands such as pvdisplay, vgdisplay, or lvdisplay. The administrator should then remove the failed physical volume from the volume group by using the vgreduce command. The administrator should then install a new drive and create a new physical volume by using the pvcreate command. The administrator should then add the new physical volume to the volume group by using the vgextend command. The administrator should then reconfigure the mirror by using the lvconvert command. The administrator should replace the failed drive and reconfigure the mirror to recover the volume. This is the correct answer to the question. The other options are incorrect because they either do not recover the volume (reboot the server. The volume will automatically go back to linear mode or reboot the server. The volume will revert to stripe mode) or do not preserve the data of the volume (recreate the logical volume). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 10: Managing Storage, pages 333-334.


NEW QUESTION # 201
A developer needs to launch an Nginx image container, name it Web001, and ex-pose port 8080 externally while mapping to port 80 inside the container. Which of the following commands will accomplish this task?

  • A. docker pull -it -p 8080:80 -name Web00l nginx
  • B. docker load -it -p 8080:80 --name Web001 nginx
  • C. docker exec -it -p 8080: 80 --name Web001 nginx
  • D. docker run -it -P 8080:80 --name Web001 nginx

Answer: D

Explanation:
To launch an Nginx image container, name it Web001, and expose port 8080 externally while mapping to port 80 inside the container, the administrator can use the command docker run -it -p 8080:80 --name Web001 nginx . This will create and start a new container from the Nginx image, assign it a name of Web001, and map port 8080 on the host to port 80 on the container. The other commands are not valid or do not meet the requirements. Reference:
[CompTIA Linux+ Study Guide], Chapter 11: Working with Containers, Section: Running Containers with Docker
[How to Run Docker Containers]


NEW QUESTION # 202
A Linux administrator is reviewing changes to a configuration file that includes the following section:

The Linux administrator is trying to select the appropriate syntax formatter to correct any issues with the configuration file. Which of the following should the syntax formatter support to meet this goal?

  • A. YAML
  • B. Markdown
  • C. JSON
  • D. XML

Answer: A

Explanation:
The configuration file shown in the image is written in YAML format, so the syntax formatter should support YAML to correct any issues with the file. YAML stands for YAML Ain't Markup Language, and it is a human-readable data serialization language that uses indentation and colons to define key-value pairs. YAML supports various data types, such as scalars, sequences, mappings, anchors, aliases, and tags. The configuration file follows the rules and syntax of YAML, while the other options do not. Markdown is a lightweight markup language that uses plain text formatting to create rich text documents. XML is a markup language that uses tags to enclose elements and attributes. JSON is a data interchange format that uses curly braces to enclose objects and square brackets to enclose arrays. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 21: Automating Tasks with Ansible, page 591.


NEW QUESTION # 203
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