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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 Linux+ Certification Exam Sample Questions (Q352-Q357):
NEW QUESTION # 352
Which of the following is considered best practices when using definition files for the provisioning of Linus servers to the cloud?
- A. Continuous integration
- B. Container orchestration
- C. Infrastructure as code
- D. Build automation
Answer: B
NEW QUESTION # 353
A technician recently installed Linux on a desktop computer.
The desktop has two graphics cards from two different vendors. One of the graphics cards works, but the other does not.
Which of the following commands should the technician use to start troubleshooting this issue?
- A. Gdm
- B. Vmstat
- C. startx
- D. Ismod
Answer: D
NEW QUESTION # 354
Which of the following will provide a list of all flash, external, internal, and SSD drives?
- A. lspci
- B. lsusb
- C. lsmod
- D. lsblk
Answer: D
Explanation:
ls: List files in the file system.
lsblk: List block devices (for example, the drives).
lspci: List PCI devices.
lsusb: List USB devices.
lsdev: List all devices.
https://www.linux.com/learn/intro-to-linux/2017/3/how-format-storage-devices-linux
NEW QUESTION # 355
Application code is stored in Git. Due to security concerns, the DevOps engineer does not want to keep a sensitive configuration file, app . conf, in the repository. Which of the following should the engineer do to prevent the file from being uploaded to the repository?
- A. Run git exclude app. conf.
- B. Add app . conf to . gitignore.
- C. Run git stash app. conf.
- D. Add app . conf to . exclude.
Answer: B
Explanation:
This will prevent the file app.conf from being tracked by Git and uploaded to the repository. The .gitignore file is a special file that contains patterns of files and directories that Git should ignore. Any file that matches a pattern in the .gitignore file will not be staged, committed, or pushed to the remote repository. The .gitignore file should be placed in the root directory of the repository and committed along with the other files.
The other options are incorrect because:
A) Run git exclude app.conf
This is not a valid Git command. There is no such thing as git exclude. The closest thing is git update-index --assume-unchanged, which tells Git to temporarily ignore changes to a file, but it does not prevent the file from being uploaded to the repository.
B) Run git stash app.conf
This will temporarily save the changes to the file app.conf in a stash, which is a hidden storage area for uncommitted changes. However, this does not prevent the file from being tracked by Git or uploaded to the repository. The file will still be part of the working tree and the index, and it will be restored when the stash is popped or applied.
C) Add app.conf to .exclude
This will have no effect, because Git does not recognize a file named .exclude. The only files that Git uses to ignore files are .gitignore, $GIT_DIR/info/exclude, and core.excludesFile.
Reference:
Git - gitignore Documentation
.gitignore file - ignoring files in Git | Atlassian Git Tutorial
Ignoring files - GitHub Docs
[CompTIA Linux+ Certification Exam Objectives]
NEW QUESTION # 356
A Linux system is failing to boot with the following error:
Which of the following actions will resolve this issue? (Choose two.)
- A. Boot the system on a LiveCD/ISO.
- B. Fix the partition modifying /etc/default/grub and reboot.
- C. Interrupt the boot process in the GRUB menu and add rescue to the kernel line.
- D. Execute grub-install /dev/sdX and reboot.
- E. Interrupt the boot process in the GRUB menu and add single to the kernel line.
- F. Execute grub-install --root-directory=/mnt and reboot.
Answer: A,D
Explanation:
The administrator should do the following two actions to resolve the issue:
* Boot the system on a LiveCD/ISO. This is necessary to access the system and repair the boot loader. A LiveCD/ISO is a bootable media that contains a Linux distribution that can run without installation. The administrator can boot the system from the LiveCD/ISO and mount the root partition of the system to a temporary directory, such as /mnt.
* Execute grub-install /dev/sdX and reboot. This will reinstall the GRUB boot loader to the disk device, where sdX is the device name of the disk, such as sda or sdb. The GRUB boot loader is a program that runs when the system is powered on and allows the user to choose which operating system or kernel to boot. The issue is caused by a corrupted or missing GRUB boot loader, which prevents the system from booting. The command grub-install will restore the GRUB boot loader and fix the issue.
The other options are incorrect because they either do not fix the boot loader (interrupt the boot process in the GRUB menu or fix the partition modifying /etc/default/grub) or do not use the correct syntax (grub-install -- root-directory=/mnt instead of grub-install /dev/sdX or rescue or single instead of recovery in the GRUB menu). References: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 8: Managing the Linux Boot Process, pages 265-266.
NEW QUESTION # 357
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