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[General] 100% Pass-Rate XK0-005 Pdf Free Offer You The Best Free Download | CompTIA CompT

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【General】 100% Pass-Rate XK0-005 Pdf Free Offer You The Best Free Download | CompTIA CompT

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One of the key benefits of the CompTIA Linux+ certification is that it is vendor-neutral. This means that the certification is not tied to a specific Linux distribution, but rather covers the general concepts and principles that apply to all Linux-based systems. This makes the certification a valuable asset for IT professionals who work with different Linux distributions and need to demonstrate their skills across multiple platforms.
CompTIA Linux+ Certification Exam Sample Questions (Q608-Q613):NEW QUESTION # 608
A Linux administrator cloned an existing Linux server and built a new server from that clone. The administrator encountered the following error after booting the cloned server:

The administrator performed the commands listed below to further troubleshoot and mount the missing filesystem:

Which of the following should administrator use to resolve the device mismatch issue and mount the disk?
  • A. mount disk by-label
  • B. fsck -A
  • C. mount disk by device-id
  • D. mount disk by-blkid
Answer: C
Explanation:
The administrator should use the command mount disk by device-id to resolve the device mismatch issue and mount the disk. The issue is caused by the cloned server having a different device name for the disk than the original server. The output of blkid shows that the disk has the device name /dev/sdb1 on the cloned server, but the output of cat /etc/fstab shows that the disk is expected to have the device name /dev/sda1. The command mount disk by device-id will mount the disk by using its unique identifier (UUID) instead of its device name. The UUID can be obtained from the output of blkid or lsblk -f. The command will mount the disk to the specified mount point (/data) and resolve the issue. The other options are incorrect because they either do not mount the disk (fsck -A), do not use the correct identifier (mount disk by-label or mount disk by- blkid), or do not exist (mount disk by-blkid). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 10: Managing Storage, pages 318-319.

NEW QUESTION # 609
A Linux systems administrator needs to set permissions on an application with the following parameters:
- The owner of the application should be able to read, write, and
execute the application.
- Members of the group should be able to read and execute the
application.
- Everyone else should not have access to the application.
Which of the following commands would BEST accomplish these tasks?
  • A. chmod 760 <application name>
  • B. chmod 730 <application name>
  • C. chmod 750 <application name>
  • D. chmod 710 <application name>
Answer: C
Explanation:


NEW QUESTION # 610
A Linux administrator must identify a user with high disk usage. The administrator runs the # du - s /home/* command and gets the following output:

Based on the output, User3 has the largest amount of disk space used. To clean up the file space, the administrator needs to find out more information about the specific files that are using the most disk space.
Which of the following commands will accomplish this task?
  • A. df -k /home/User/files.txt
  • B. du -sh /home/User/
  • C. find . -name /home/User3 -print
  • D. du -a /home/User3/*
Answer: D
Explanation:
-a, --all write counts for all files, not just directories.
-s will give you a summary.
https://www.redhat.com/sysadmin/du-command-options

NEW QUESTION # 611
An administrator added the port 2222 for the SSH server on myhost and restarted the SSH server. The administrator noticed issues during the startup of the service. Given the following outputs:

Which of the following commands will fix the issue?
  • A. semanage port -a -t ssh_port_t -p tcp 2222
  • B. iptables -A INPUT -p tcp -- dport 2222 -j ACCEPT
  • C. firewall-cmd -- zone=public -- add-port=2222/tcp
  • D. chcon system_ubject_r:ssh_home_t /etc/ssh/*
Answer: A
Explanation:
Explanation
The correct answer is A. semanage port -a -t ssh_port_t -p tcp 2222
This command will allow the SSH server to bind to port 2222 by adding it to the SELinux policy. The semanage command is a utility for managing SELinux policies. The port subcommand is used to manage network port definitions. The -a option is used to add a new record, the -t option is used to specify the SELinux type, the -p option is used to specify the protocol, and the tcp 2222 argument is used to specify the port number. The ssh_port_t type is the default type for SSH ports in SELinux.
The other options are incorrect because:
B: chcon system_ubject_r:ssh_home_t /etc/ssh/*
This command will change the SELinux context of all files under /etc/ssh/ to system_ubject_r:ssh_home_t, which is not correct. The ssh_home_t type is used for user home directories that are accessed by SSH, not for SSH configuration files. The correct type for SSH configuration files is sshd_config_t.
C: iptables -A INPUT -p tcp --dport 2222 -j ACCEPT
This command will add a rule to the iptables firewall to accept incoming TCP connections on port 2222.
However, this is not enough to fix the issue, as SELinux will still block the SSH server from binding to that port. Moreover, iptables may not be the default firewall service on some Linux distributions, such as Fedora or CentOS, which use firewalld instead.
D: firewall-cmd --zone=public --add-port=2222/tcp
This command will add a rule to the firewalld firewall to allow incoming TCP connections on port 2222 in the public zone. However, this is not enough to fix the issue, as SELinux will still block the SSH server from binding to that port. Moreover, firewalld may not be installed or enabled on some Linux distributions, such as Ubuntu or Debian, which use iptables instead.
References:
How to configure SSH to use a non-standard port with SELinux set to enforcing Change SSH Port on CentOS/RHEL/Fedora With SELinux Enforcing How to change SSH port when SELinux policy is enabled

NEW QUESTION # 612
A Linux administrator booted up the server and was presented with a non-GUI terminal. The administrator ran the command systemctl isolate graphical.target and rebooted the system by running systemctl reboot, which fixed the issue. However, the next day the administrator was presented again with a non-GUI terminal. Which of the following is the issue?
  • A. The administrator did not reboot the server properly.
  • B. The administrator did not shut down the server properly.
  • C. The administrator did not set the default target to basic.target.
  • D. The administrator did not set the default target to graphical.target.
Answer: D
Explanation:
Explanation
The issue is that the administrator did not set the default target to graphical.target. A target is a unit of systemd that groups together other units by a common purpose or state. The graphical.target is a target that starts the graphical user interface (GUI) along with other services. The administrator used the command systemctl isolate graphical.target to switch to this target temporarily, but this does not change the default target that is activated at boot time. To make this change permanent, the administrator should have used the command systemctl set-default graphical.target, which creates a symbolic link from /etc/systemd/system/default.target to
/usr/lib/systemd/system/graphical.target.
The other options are not correct explanations for the issue. The administrator did reboot the server properly by using systemctl reboot, which shuts down and restarts the system cleanly. The administrator did not need to set the default target to basic.target, which is a minimal target that only starts essential services. The administrator did not shut down the server improperly, which could have caused file system corruption or data loss, but not affect the default target. References: systemctl(1) - Linux manual page; How to Change Runlevels (targets) in SystemD

NEW QUESTION # 613
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