UPDATED XK0-005 TESTKINGS & XK0-005 ACCURATE ANSWERS

Updated XK0-005 Testkings & XK0-005 Accurate Answers

Updated XK0-005 Testkings & XK0-005 Accurate Answers

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Tags: Updated XK0-005 Testkings, XK0-005 Accurate Answers, XK0-005 Study Materials Review, Exam XK0-005 Objectives, Exam XK0-005 Simulator Online

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CompTIA Linux+ Certification is a professional certification that validates the skills and knowledge of IT professionals working with Linux operating systems. CompTIA Linux+ Certification Exam certification is designed to provide a comprehensive understanding of Linux administration and configuration, as well as networking and security concepts. The latest version of the certification exam is the CompTIA XK0-005, which was launched in April 2021.

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CompTIA XK0-005 exam is a certification exam designed for individuals who want to demonstrate their knowledge and skills in Linux administration. XK0-005 exam is the latest version of the CompTIA Linux+ certification and is aimed at IT professionals who are interested in pursuing a career in Linux system administration. XK0-005 exam covers a wide range of topics, including system configuration, management, security, and troubleshooting, among others.

The CompTIA Linux+ Certification Exam certification exam consists of multiple-choice questions and performance-based simulations that assess the candidate's practical knowledge and skills. XK0-005 Exam is available in English and Japanese languages and can be taken online or in-person at a Pearson VUE testing center. CompTIA Linux+ Certification Exam certification exam has a duration of 90 minutes, and the passing score is 720 on a scale of 100-900.

CompTIA Linux+ Certification Exam Sample Questions (Q58-Q63):

NEW QUESTION # 58
Employees in the finance department are having trouble accessing the file /opt/work/file. All IT employees can read and write the file. Systems administrator reviews the following output:

Which of the following commands would permanently fix the access issue while limiting access to IT and finance department employees?

  • A. chmod 666 file
  • B. chown it:finance file
  • C. chattr +i file
  • D. setfacl -m g:finance:rw file

Answer: D

Explanation:
The command setfacl -m g:finance:rw file will permanently fix the access issue while limiting access to IT and finance department employees. The setfacl command is a tool for modifying the access control lists (ACLs) of files and directories on Linux systems. The ACLs are a mechanism that allows more fine-grained control over the permissions of files and directories than the traditional owner-group-others model. The - m option specifies the modification to the ACL. The g:finance:rw means that the group named finance will have read and write permissions on the file. The file is the name of the file to modify, in this case /opt/work
/file. The command setfacl -m g:finance:rw file will add an entry to the ACL of the file that will grant read and write access to the finance group. This will fix the access issue and allow the finance employees to access the file. The command will also preserve the existing permissions of the file, which means that the IT employees will still have read and write access to the file. This will limit the access to IT and finance department employees and prevent unauthorized access from other users. This is the correct command to use to accomplish the task. The other options are incorrect because they either do not fix the access issue (chattr
+i file or chown it:finance file) or do not limit the access to IT and finance department employees (chmod 666 file). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 11: Managing File Permissions and Ownership, page 352.


NEW QUESTION # 59
A Linux administrator is configuring network traffic forwarding. Despite having proper iptables rules, the traffic forwarding is not working. Which of the following commands will allow Linux to pass network traffic between different interfaces?

  • A. ip route forward allow --all-interfaces; systemctl restart network
  • B. echo 'net.ipv4.ip_forward=1' >> /etc/sysctl.conf; sysctl -p
  • C. modprobe ip_forward
  • D. nmcli allow-forwarding eth0

Answer: B

Explanation:
To enable IP forwarding, the kernel parameter net.ipv4.ip_forward must be set to 1. This is done by appending net.ipv4.ip_forward=1 to /etc/sysctl.conf and applying the changes using sysctl -p. This command ensures that the system can forward packets between different network interfaces.


NEW QUESTION # 60
A Linux user reported the following error after trying to connect to the system remotely:
ssh: connect to host 10.0.1.10 port 22: Resource temporarily unavailable The Linux systems administrator executed the following commands in the Linux system while trying to diagnose this issue:
Which of the following commands will resolve this issue?

  • A. firewall-cmd --zone=public --permanent --add-service=22
  • B. firewall-cmd --zone=public --permanent --add-port=22/udp
  • C. firewall-cmd --zone=public --permanent --add-service=ssh
  • D. systemct1 enable firewalld; systemct1 restart firewalld

Answer: C

Explanation:
The firewall-cmd --zone=public --permanent --add-service=ssh command will resolve the issue by allowing SSH connections on port 22 in the public zone of the firewalld service. This command will add the ssh service to the permanent configuration of the public zone, which means it will persist after a reboot or a reload of the firewalld service. The firewall-cmd --zone=public --permanent --add-service=22 command is invalid, as 22 is not a valid service name. The systemct1 enable firewalld; systemct1 restart firewalld command will enable and restart the firewalld service, but it will not change the firewall rules. The firewall-cmd --zone=public -- permanent --add-port=22/udp command will allow UDP traffic on port 22 in the public zone, but SSH uses TCP, not UDP. References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 18: Securing Linux Systems, page 543.


NEW QUESTION # 61
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 @example.com 10.10.10.20 ptr
  • B. dig @example.com 10.10.10.20 a
  • C. dig @10.10.10.20 example.com mx
  • D. dig @10.10.10.20 example.com ns

Answer: C

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 # 62
A junior systems administrator has generated a PKI certificate for SSH sessions. The administrator would like to configure authentication without passwords to remote systems. Which of the following should the administrator perform?

  • A. Add the content of id_rsa file to the remote system ~/.ssh/authorized_keys location.
  • B. Add the content of id_rsa.pub file to the remote system ~/.ssh/authorized_keys location.
  • C. Add the content of id_rsa.pub file to the remote system ~/.ssh/known_hosts location.
  • D. Add the content of id_rsa file to the remote system ~/.ssh/known_hosts location.

Answer: B

Explanation:
You always keep your private key and only share your public key.
If the remote system is not configured to support password-based authentication, you will need to ask system administrators to add your public key to the ~/.ssh/authorized_keys file in your account Your private key will be generated using the default filename (for example, id_rsa) or the filename you specified (for example, my_ssh_key), and stored on your computer in a .ssh directory off your home directory (for example, ~/.ssh/id_rsa or ~/.ssh/my_ssh_key).
The corresponding public key will be generated using the same filename (but with a .pub extension added) and stored in the same location (for example, ~/.ssh/id_rsa.pub or
~/.ssh/my_ssh_key.pub).


NEW QUESTION # 63
......

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