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Free Download XK0-005 Reliable Test Book - Pass XK0-005 in One Time - Perfect Test XK0-005 Assessment

Free Download XK0-005 Reliable Test Book - Pass XK0-005 in One Time - Perfect Test XK0-005 Assessment

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To pass the CompTIA XK0-005 Exam, candidates must have a thorough understanding of Linux operating systems, its commands, and its various features. They must also have hands-on experience with Linux systems to answer the exam questions correctly. XK0-005 exam consists of multiple-choice questions, performance-based questions, and drag-and-drop questions, and candidates are given 90 minutes to complete the exam. Passing the exam requires a score of 720 out of 900. Overall, the CompTIA XK0-005 exam is a challenging but rewarding certification that can open up many opportunities for Linux professionals.

CompTIA Linux+ certification is a globally recognized credential that demonstrates proficiency in Linux administration. CompTIA Linux+ Certification Exam certification is ideal for IT professionals seeking to advance their careers in Linux administration and for individuals seeking to acquire new skills in Linux administration. CompTIA Linux+ Certification Exam certification covers a broad range of topics, including Linux kernel modules, storage and filesystems, network configuration, and security.

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CompTIA Linux+ Certification Exam Sample Questions (Q53-Q58):

NEW QUESTION # 53
A Linux systems administrator needs to add additional code to code that resides within a repository without changing the original code. Once completed, the additional code will be merged into the main branch. Which of the following commands should the administrator use first?

  • A. git push
  • B. git rebase
  • C. git clone
  • D. git tag

Answer: B


NEW QUESTION # 54
A Linux administrator is installing a web server and needs to check whether web traffic has already been allowed through the firewall. Which of the following commands should the administrator use to accomplish this task?

  • A. firewalld query-service-http
  • B. firewalld --check-service http
  • C. firewall-cmd --query-service http
  • D. firewall-cmd --check-service http

Answer: C

Explanation:
The command firewall-cmd --query-service http will accomplish the task of checking whether web traffic has already been allowed through the firewall. 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 --query-service
http option queries whether a service is enabled in a zone. The http is the name of the service that the command should check. The http service represents the web traffic that uses the port 80 and the TCP protocol.
The command firewall-cmd --query-service http will check whether the http service is enabled in the default zone, which is usually the public zone. The command will return yes if the web traffic has already been allowed through the firewall, or no if the web traffic has not been allowed through the firewall. This is the correct command to use to accomplish the task. The other options are incorrect because they either do not exist (firewalld query-service-http or firewalld --check-service http) or do not query the service (firewall-cmd
--check-service http instead of firewall-cmd --query-service http). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 12: Managing Network Connections, page 392.


NEW QUESTION # 55
A Linux engineer set up two local DNS servers (10.10.10.10 and 10.10.10.20) and was testing email connectivity to the local mail server using the mail command on a local machine when the following error appeared:

The local machine DNS settings are:

Which of the following commands could the engineer use to query the DNS server to get mail server information?

  • A. dig @10.10.10.20 example.com ns
  • B. dig @10.10.10.20 example.com mx
  • C. dig @example.com 10.10.10.20 ptr
  • D. dig @example.com 10.10.10.20 a

Answer: B

Explanation:
Explanation
The command dig @10.10.10.20 example.com mx will query the DNS server to get mail server information.
The dig command is a tool for querying DNS servers and displaying the results. The @ option specifies the DNS server to query, in this case 10.10.10.20. The mx option specifies the type of record to query, in this case mail exchange (MX) records, which identify the mail servers for a domain. The domain name to query is example.com. This command will show the MX records for example.com from the DNS server 10.10.10.20.
This is the correct command to use to accomplish the task. The other options are incorrect because they either use the wrong syntax (@example.com 10.10.10.20 instead of @10.10.10.20 example.com), the wrong type of record (a or ptr instead of mx), or the wrong domain name (example.com ns instead of example.com mx). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 13: Managing Network Services, page 415.


NEW QUESTION # 56
A systems administrator needs to check if the service systemd-resolved.service is running without any errors.
Which of the following commands will show this information?

  • A. systemctl status systemd-resolved.service
  • B. systemctl show systemd-resolved.service
  • C. systemctl mask systemd-resolved.service
  • D. systemctl enable systemd-resolved.service

Answer: A

Explanation:
Explanation
The command systemctl status systemd-resolved.service will show the information about the service systemd-resolved.service. The systemctl command is a tool for managing system services and units.
The status option displays the current status of a unit, such as active, inactive, or failed. The output also shows the unit description, loaded configuration, process ID, memory usage, and recent log messages. This command will show if the service systemd-resolved.service is running without any errors. This is the correct command to use to accomplish the task. The other options are incorrect because they either perform different actions (enable, mask, or show) or do not show the status of the service (systemctl show systemd-resolved.service only shows the properties of the service, not the status). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 14: Managing Processes and Scheduling Tasks, page
427.


NEW QUESTION # 57
A Linux administrator needs to ensure that Java 7 and Java 8 are both locally available for developers to use when deploying containers. Currently only Java 8 is available. Which of the following commands should the administrator run to ensure both versions are available?

  • A. docker image load java:7
  • B. docker image import java:7
  • C. docker image build java:7
  • D. docker image pull java:7

Answer: D

Explanation:
Explanation
The command that the administrator should run to ensure that both Java 7 and Java 8 are locally available for developers to use when deploying containers is docker image pull java:7. This command will use the docker image pull subcommand to download the java:7 image from Docker Hub, which is the default registry for Docker images. The java:7 image contains Java 7 installed on a Debian-based Linux system. The administrator can also specify a different registry by using the syntax registry/repository:tag.
The other options are not correct commands for ensuring that both Java 7 and Java 8 are locally available for developers to use when deploying containers. The docker image load java:7 command will load an image from a tar archive or STDIN, not from a registry. The docker image import java:7 command will create a new filesystem image from the contents of a tarball, not from a registry. The docker image build java:7 command will build an image from a Dockerfile, not from a registry. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 18: Automating Tasks; docker image pull | Docker Docs


NEW QUESTION # 58
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