QUESTION 339
A systems administrator is enabling LUKS on a USB storage device with an ext4 filesystem format. The administrator runs dmesg and notices the following output:

Given this scenario, which of the following should the administrator perform to meet these requirements?
(Select three).

QUESTION 340
A systems administrator is creating new user accounts on several Linux machines and wants to automate the process from a Linux system used for operations. In this operations system, the list of servers is located in the /home/user/serverslist file and the list of user accounts is located in the /home/user/userslist file. Which of the following scripts will help accomplish this task?

QUESTION 341
Which of the following is the purpose of the monitoring server role?

QUESTION 342
A Linux user needs to create a file named newfile in the home directory that mirrors the contents of the /etc/resolv.conf file.
Which of the following commands would accomplish this task?

QUESTION 343
A Linux administrator has installed a web server, a database server, and a web application on a server. The web application should be active in order to render the web pages. After the administrator restarts the server, the website displays the following message in the browser: Error establishing a database connection. The Linux administrator reviews the following relevant output from the systemd init files:

The administrator needs to ensure that the database is available before the web application is started. Which of the following should the administrator add to the HTTP server .service file to accomplish this task?

QUESTION 344
A Linux administrator is creating a directory called CompTIA_doc, and it needs to switch to another location to perform some system-related tasks. Which of the following commands should the administrator use for this task?

QUESTION 345
Users have been unable to reach www.comptia.org from a Linux server. A systems administrator is troubleshooting the issue and does the following:

Based on the information above, which of the following is causing the issue?

QUESTION 346
A web server will not start on a Linux server. A Linux administrator troubleshooting the issue runs a few commands, which produce the following output:
Output 1: systemctl units

Output 2: service status

Output 3: firewall configuration

Which of the following commands will allow the administrator to start the web server?

QUESTION 347
A Linux administrator is scheduling a system job that runs a script to check available disk space every hour.
The Linux administrator does not want users to be able to start the job. Given the following:

The Linux administrator attempts to start the timer service but receives the following error message:

Which of the following is MOST likely the reason the timer will not start?

QUESTION 348
A DevOps engineer needs to allow incoming traffic to ports in the range of 4000 to 5000 on a Linux server. Which of the following commands will enforce this rule?

QUESTION 349
As a Systems Administrator, to reduce disk space, you were tasked to create a shell script that does the following:
Add relevant content to /tmp/script.sh, so that it finds and compresses rotated files in /var/log without recursion.
INSTRUCTIONS
Fill the blanks to build a script that performs the actual compression of rotated log files.
If at any time you would like to bring back the initial state of the simulation, please click the Reset All button.

QUESTION 350
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?

QUESTION 351
A systems administrator is tasked with creating a cloud-based server with a public IP address.

Which of the following technologies did the systems administrator use to complete this task?

QUESTION 352
A cloud engineer wants to delete all unused networks that are not referenced by any container. Which of the following commands will achieve this goal?

QUESTION 353
A cloud engineer needs to change the secure remote login port from 22 to 49000. Which of the following files should the engineer modify to change the port number to the desired value?

QUESTION 354
A server administrator has scheduled a cron job to run YUM updates on all servers without manual intervention, but kernel packages must be excluded from the updates at all times. Which of the following configuration files needs to be modified to make these changes persistent?

QUESTION 355
Developers have requested implementation of a persistent, static route on the application server. Packets sent over the interface eth0 to 10.0.213.5/32 should be routed via 10.0.5.1. Which of the following commands should the administrator run to achieve this goal?

QUESTION 356
A systems administrator receives reports that several virtual machines in a host are responding slower than expected. Upon further investigation, the administrator obtains the following output from one of the affected systems:

Which of the following best explains the reported issue?

QUESTION 357
An administrator needs to download a monitoring agent called node_exporter.0.16.0- Linux.amd64 from the internal web page https://company.local/downloads/. The server does not have graphical interface.
Which of the following commands will accomplish this task?

QUESTION 358
An administrator is running a web server in a container named web, but none of the error output is not showing. Which of the following should the administrator use to generate the errors on the container?

QUESTION 359
A systems administrator received a notification that a system is performing slowly. When running the top command, the systems administrator can see the following values:

Which of the following commands will the administrator most likely run NEXT?

QUESTION 360
A developer has been unable to remove a particular data folder that a team no longer uses. The developer escalated the issue to the systems administrator. The following output was received:

Which of the following commands can be used to resolve this issue?

QUESTION 361
A systems administrator frequently connects to a remote host via SSH and a non-standard port. The systems administrator would like to avoid passing the port parameter on the command line every time. Which of the following files can be used to set a different port value for that host?