최신 XK0-004 무료덤프 - CompTIA Linux+ Certification
An administrator is reviewing suspicious activity on a server and needs to determine which users logged into the system within the past 24 hours. Which of the following commands should the administrator run to determine this?
정답: A
A storage administrator in a virtualized environment has been told by a user that there is no space left on the volume to which the user can write. However, a check reveals that there is 20GB of unused space. Which of the following explains the discrepancy?
정답: D
An administrator notices a website hosted on an httpd web server is not loading. Upon further inspection, the administrator learns there are no httpd processes running. When starting the service, the site operates correctly for a few minutes before the process disappears again.
Which of the following should the administrator consider as the MOST likely possibility before troubleshooting the issue?
Which of the following should the administrator consider as the MOST likely possibility before troubleshooting the issue?
정답: B
A systems administrator is attempting to access a server by SSH. The Linux administrator ensures that the SSH keys on the remote server were unable to connect. The following error message is being displayed:
Which of the following needs to be changed on order for the administrator to access the server via SSH?
Which of the following needs to be changed on order for the administrator to access the server via SSH?
정답: C
A systems administrator copied the latest archive Of the corporate application, corpapp.tar.gz, to a new server. The backup software lists the following entry in the log file:
Which of the following should the administrator run to verify the archive copied correctly without corruption?
Which of the following should the administrator run to verify the archive copied correctly without corruption?
정답: A
An administrator needs to deploy 100 identical CentOS workstations via PXE boot. Which of the following should the administrator use to minimize the amount of interaction with the consoles needed?
정답: C
Which of the following configuration management tools is considered agentless?
정답: B
A Linux administrator created a new log file in /var/log/newlog to monitor a newly installed application. The administrator is now configuring paramters of the file so it will be rotated on a weekly basis or when it becomes larger than 1MB in...
should exist in the /var/log directory. Which of the following should be added to he /etc/ logrotate.conf file to meet this objectives?
A)
B)
C)
D)
should exist in the /var/log directory. Which of the following should be added to he /etc/ logrotate.conf file to meet this objectives?
A)
B)
C)
D)
정답: A
A systems administrator must clean up all application files in the directory /var/log/app. However, the company's security policy requires the files to be kept on the backup server for one year. The Linux server has only the tar and bzip2 packages installed.
Which of the following commands will package and compress the files?
Which of the following commands will package and compress the files?
정답: D
A corporate server security policy states, "Ensure password hashes are not readable by non-administrative users." The administrator should check the permissions on which of the following files to ensure the server satisfies this policy?
정답: A
A systems administrator needs to write a script that performs unattended package upgrades. Which of the folowing flags should be used with either yum or apt to meet this goal?
정답: C
A customer reports a Linux production server is randomly suffering degraded performance. The administrator verifies that the sysstat package is installed and enabled on the server.
Which of the following would BEST determine what is causing the impact on performance?
Which of the following would BEST determine what is causing the impact on performance?
정답: A
A systems administrator observes high latency values when reaching a remote web server. Which of the following commands will help determine and isolate issues on the network side?
정답: B
An administrator attempted to save large files in a directory but was unsuccessful. Which of the following is the NEXT step to nvesbgate the issue?
정답: D
An administrator needs to create a shared directory in which all users are able, write, and execute its content but none of the regular users are able to delete any content.
Which of the following permissions should be applied to this shared directory?
Which of the following permissions should be applied to this shared directory?
정답: D
A systems administrator is enabling quotas on the /home directory of a Linux server. The administrator makes the appropriate edits to the /etc/fstab file and attempts to issue the commands to enable quotas on the desired directory. However, the administrator receives an error message stating the filesystem does not support quotas. Which of the following commands should the administrator perform to proceed?
정답: A
A Linux amdinisrator is adding a user's local Linux account to the accounting group. The user is also a member of the finance group. Which of the following is the BEST way to add the user to the accounting group while still maintaining the user's existing group members ships?
정답: B
A junior systems administrator is upgrading a package that was installed on a Red Hat-based system. The administrator is tasked with the following:
Update and install the new package.
Verify the new package version is installed.
Which of the following should be done to BEST accomplish these task? (Choose two.)
Update and install the new package.
Verify the new package version is installed.
Which of the following should be done to BEST accomplish these task? (Choose two.)
정답: C,D