Page 3 of 14 Β· 263 total questions.
A Linux administrator wants to set the SUID of a file named dev_team.text with 744 access rights. Which of the following commands will achieve this goal?
The correct answer is A. Option A: chmod 4744 dev_team.txt
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?
The correct answer is C. Option C: chattr -R -i data/
A Linux administrator needs to ensure that Java 7 and Java 8 are both locally available for developers to use when deploying containers. Currently only Java 8 is available. Which of the following commands should the administrator run to ensure both versions are available?
The correct answer is B. Option B: docker image pull java:7
A cloud engineer is installing packages during VM provisioning. Which of the following should the engineer use to accomplish this task?
The correct answer is A. Option A: Cloud-init
A systems administrator is tasked with creating a cloud-based server with a public IP address. The code is as follows: Which of the following technologies did the systems administrator use to complete this task?
The correct answer is C. Option C: Ansible
A Linux systems administrator is setting up a new web server and getting 404 - NOT FOUND errors while trying to access the web server pages from the browser. While working on the diagnosis of this issue, the Linux systems administrator executes the following commands: Which of the following commands will BEST resolve this issue?
The correct answer is B. Option B: restorecon -R -v /var/www/html
To harden one of the servers, an administrator needs to remove the possibility of remote administrative login via the SSH service. Which of the following should the administrator do?
The correct answer is B. Option B: Set PermitRootLogin to no in the /etc/ssh/sshd_config file.
Which of the following is a function of a bootloader?
The correct answer is C. Option C: It helps to load the different kernels to initiate the OS startup process.
A systems administrator configured firewall rules using firewalld. However, after the system is rebooted, the firewall rules are not present: The systems administrator makes additional checks: Which of the following is the reason the firewall rules are not active?
The correct answer is D. Option D: The firewalld service is not enabled.
Explanation
A firewall enforces traffic policy by permitting or blocking connections based on configured rules.
A newly created container has been unable to start properly, and a Linux administrator is analyzing the cause of the failure. Which of the following will allow the administrator to determine the FIRST command that is executed inside the container right after it starts?
The correct answer is D. Option D: docker inspect
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?
The correct answer is A. Option A: The checkdiskspace.timer unit should be enabled via systemctl.
A Linux administrator wants to find out whether files from the wget package have been altered since they were installed. Which of the following commands will provide the correct information?
The correct answer is D. Option D: rpm -V wget
A Linux engineer set up two local DNS servers (10.10.10.10 and 10.10.10.20) and was testing email connectivity to the local mail server using the mail command on a local machine when the following error appeared: The local machine DNS settings are: Which of the following commands could the engineer use to query the DNS server to get mail server information?
The correct answer is B. Option B: dig @10.10.10.20 example.com mx
A Linux engineer has been notified about the possible deletion of logs from the file /opt/app/logs. The engineer needs to ensure the log file can only be written into without removing previous entries. Which of the following commands would be BEST to use to accomplish this task?
The correct answer is A. Option A: chattr +a /opt/app/logs
A systems administrator needs to check if the service systemd-resolved.service is running without any errors. Which of the following commands will show this information?
The correct answer is A. Option A: systemctl status systemd-resolved.service
A Linux administrator needs to remove software from the server. Which of the following RPM options should be used?
The correct answer is D. Option D: rpm -e
A Linux system fails to start and delivers the following error message: Which of the following commands can be used to address this issue?
The correct answer is A. Option A: fsck.ext4 /dev/sda1
Based on an organizationβs new cybersecurity policies, an administrator has been instructed to ensure that, by default, all new users and groups that are created fall within the specified values below. To which of the following configuration files will the required changes need to be made?
The correct answer is A. Option A: /etc/login.defs This option keeps traffic private / properly secured as required.
A Linux administrator is trying to remove the ACL from the file /home/user/data. txt but receives the following error message: Given the following analysis: Which of the following is causing the error message?
The correct answer is D. Option D: File attributes are preventing file modification.
A Linux administrator needs to create a new cloud.cpio archive containing all the files from the current directory. Which of the following commands can help to accomplish this task?
The correct answer is C. Option C: ls | cpio -ov > cloud.cpio
Showing questions 41β60 of 263 Β· Page 3 of 14