DON'T FAIL XK0-005 EXAM - VERIFIED BY DUMPSREVIEW

Don't Fail XK0-005 Exam - Verified By DumpsReview

Don't Fail XK0-005 Exam - Verified By DumpsReview

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CompTIA Linux+ certification exam is an excellent credential for IT professionals seeking to advance their careers in Linux system administration. It validates their knowledge and skills in Linux-based operating systems and provides them with a competitive edge in the job market. With the updated exam, candidates can ensure that they are equipped with the latest skills and knowledge required to succeed in the IT industry.

CompTIA XK0-005, also known as CompTIA Linux+ Certification, is a globally recognized certification exam that validates the candidate's knowledge and skills in Linux systems administration. CompTIA Linux+ Certification Exam certification exam is intended for IT professionals with a basic understanding of Linux systems and commands. CompTIA Linux+ Certification Exam certification exam covers topics such as system architecture, Linux installation and package management, command-line operations, user and group management, networking, and security.

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CompTIA XK0-005, also known as the CompTIA Linux+ Certification Exam, is a vendor-neutral certification exam that is designed to validate the skills and knowledge of IT professionals who work with Linux operating systems. CompTIA Linux+ is considered a highly respected certification for IT professionals who want to demonstrate their expertise in Linux administration, security, and troubleshooting.

CompTIA Linux+ Certification Exam Sample Questions (Q340-Q345):

NEW QUESTION # 340
A Linux administrator needs to expand a volume group using a new disk. Which of the following options presents the correct sequence of commands to accomplish the task?

  • A. lvcreate
    fdisk
    partprobe
  • B. partprobe
    vgcreate
    lvextend
  • C. fdisk
    pvcreate
    vgextend
  • D. fdisk
    partprobe
    mkfs

Answer: C

Explanation:
The correct sequence of commands to expand a volume group using a new disk is fdisk, pvcreate, vgextend. The fdisk command can be used to create a partition on the new disk with the type 8e (Linux LVM). The pvcreate command can be used to initialize the partition as a physical volume for LVM. The vgextend command can be used to add the physical volume to an existing volume group. The partprobe command can be used to inform the kernel about partition table changes, but it is not necessary in this case. The vgcreate command can be used to create a new volume group, not expand an existing one. The lvextend command can be used to extend a logical volume, not a volume group. The lvcreate command can be used to create a new logical volume, not expand a volume group. The mkfs command can be used to create a filesystem on a partition or a logical volume, not expand a volume group.


NEW QUESTION # 341
A systems administrator was tasked with assigning the temporary IP address/netmask
192.168.168.1/255.255.255.255 to the interface eth0 of a Linux server.
When adding the address, the following error appears:
# ip address add 192.168.168.1/33 dev eth0
Error: any valid prefix is expected rather than "192.168.168.1/33".
Based on the command and its output above, which of the following is the cause of the issue?

  • A. There is no route to 192.168.168.1/33.
  • B. The CIDR value /33 should be /32 instead.
  • C. The interface eth0 does not exist.
  • D. The IP address 192.168.168.1 is already in use.

Answer: B

Explanation:
The cause of the issue is that the CIDR value /33 is invalid for an IPv4 address. The CIDR value represents the number of bits in the network prefix of an IP address, and it can range from 0 to 32 for IPv4 addresses. A CIDR value of /33 would imply a network prefix of more than 32 bits, which is impossible for an IPv4 address. To assign a temporary IP address/netmask of
192.168.168.1/255.255.255.255 to eth0, the CIDR value should be /32 instead, which means a network prefix of 32 bits and a host prefix of 0 bits. There is no route to 192.168.168.1/33 is not the cause of the issue, as the ip address add command does not check the routing table. The interface eth0 does not exist is not the cause of the issue, as the ip address add command would display a different error message if the interface does not exist. The IP address 192.168.168.1 is already in use is not the cause of the issue, as the ip address add command would display a different error message if the IP address is already in use.


NEW QUESTION # 342
A systems technician is working on deploying several microservices to various RPM-based systems, some of which could run up to two hours. Which of the following commands will allow the technician to execute those services and continue deploying other microservices within the same terminal section?

  • A. fg %1
  • B. bg %1 job name
  • C. gedit & disown
  • D. kill 9 %1

Answer: B

Explanation:
The command that will allow the technician to execute the services and continue deploying other microservices within the same terminal session is bg %1 job name. This command will send the job with ID 1 and name job name to the background, where it will run without occupying the terminal. The other options are incorrect because:
gedit & disown will launch a graphical text editor in the background and detach it from the terminal, but it will not execute any service.
kill 9 %1 will terminate the job with ID 1 using a SIGKILL signal, which cannot be ignored or handled by the process.
fg %1 will bring the job with ID 1 to the foreground, where it will occupy the terminal until it finishes or is stopped. Reference: CompTIA Linux+ Study Guide, Fourth Edition, page 181-182.


NEW QUESTION # 343
A Linux administrator is configuring a two-node cluster and needs to be able to connect the nodes to each other using SSH keys from the root account. Which of the following commands will accomplish this task?

  • A. [root@nodea ssh -i ~/ . ssh/±d rsa root@nodeb
  • B. [root@nodea ssh-copy-id -i .ssh/id rsa root@nodeb
  • C. [root@nodea # ssh add -c ~/. ssh/id rsa root@nodeb
  • D. [root@nodea scp -i . ssh/id rsa root@nodeb
  • E. [root@nodea # ssh add -c ~/ . ssh/id rsa root@nodeb

Answer: B

Explanation:
Explanation
The ssh-copy-id command is used to copy a public SSH key from a local machine to a remote server and add it to the authorized_keys file, which allows passwordless authentication between the machines. The administrator can use this command to copy the root user's public key from nodea to nodeb, and vice versa, to enable SSH access between the nodes without entering a password every time. For example: [root@nodea ssh-copy-id -i ~/.ssh/id_rsa root@nodeb]. The ssh command is used to initiate an SSH connection to a remote server, but it does not copy any keys. The scp command is used to copy files securely between machines using SSH, but it does not add any keys to the authorized_keys file. The ssh-add command is used to add private keys to the SSH agent, which manages them for SSH authentication, but it does not copy any keys to a remote server.


NEW QUESTION # 344
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. systemctl enable firewalld; systemctl restart firewalld
  • B. firewall-cmd --zone=public --permanent --add-service=22
  • C. firewall-cmd --zone=public --permanent --add-port=22/udp
  • D. firewall-cmd --zone=public --permanent --add-service=ssh

Answer: D

Explanation:
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 systemctl enable firewalld; systemctl 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 # 345
......

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