Page 2 of 14 · 263 total questions.
An administrator attempts to rename a file on a server but receives the following error. The administrator then runs a few commands and obtains the following output: Which of the following commands should the administrator run NEXT to allow the file to be renamed by any user?
The correct answer is D. Option D: chmod -t files
Which of the following commands will display the operating system?
The correct answer is C. Option C: uname -o
A systems engineer is adding a new 1GB XFS filesystem that should be temporarily mounted under /ops/app. Which of the following is the correct list of commands to achieve this goal?
The correct answer is D.
A Linux administrator recently downloaded a software package that is currently in a compressed file. Which of the following commands will extract the files?
The correct answer is D. Option D: funzip
A Linux administrator is troubleshooting SSH connection issues from one of the workstations. When users attempt to log in from the workstation to a server with the IP address 104.21.75.76, they receive the following message: The administrator reviews the information below: Which of the following is causing the connectivity issue?
The correct answer is C. Option C: The server’s firewall is preventing connections from being made.
Explanation
A firewall enforces traffic policy by permitting or blocking connections based on configured rules.
Which of the following files holds the system configuration for journal when running systemd?
The correct answer is A. Option A: /etc/systemd/journald.conf
A Linux administrator is tasked with creating resources using containerization. When deciding how to create this type of deployment, the administrator identifies some key features, including portability, high availability, and scalability in production. Which of the following should the Linux administrator choose for the new design?
The correct answer is D. Option D: Kubernetes This option scales automatically to match demand.
Which of the following tools is commonly used for creating CI/CD pipelines?
The correct answer is C. Option C: Jenkins
A systems administrator requires that all files that are created by the user named web have read-only permissions by the owner. Which of the following commands will satisfy this requirement?
The correct answer is C. Option C: echo "umask 377" >> /home/web/.bashrc
A systems administrator is tasked with preventing logins from accounts other than root, while the file /etc/nologin exists. Which of the following PAM modules will accomplish this task?
The correct answer is D. Option D: pam_nologin.so
A systems administrator has been tasked with disabling the nginx service from the environment to prevent it from being automatically and manually started. Which of the following commands will accomplish this task?
The correct answer is C. Option C: systemctl mask nginx
A Linux administrator is troubleshooting an issue in which an application service failed to start on a Linux server. The administrator runs a few commands and gets the following outputs: Based on the above outputs, which of the following is the MOST likely action the administrator should take to resolve this issue?
The correct answer is B. Option B: Increase the TimeoutStartUSec configuration for the logsearch.sevice.
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?
The correct answer is D. Option D: REQUIRES=mariadb.service
Several users reported that they were unable to write data to the /oracle1 directory. The following output has been provided: Which of the following commands should the administrator use to diagnose the issue?
The correct answer is A. Option A: df -i /oracle1
After installing some RPM packages, a systems administrator discovers the last package that was installed was not needed. Which of the following commands can be used to remove the package?
The correct answer is A. Option A: dnf remove packagename
A systems administrator is checking the system logs. The administrator wants to look at the last 20 lines of a log. Which of the following will execute the command?
The correct answer is B. Option B: tail -n 20
An administrator is trying to diagnose a performance issue and is reviewing the following output: System Properties: CPU: 4 vCPU - Memory: 40GB - Disk maximum IOPS: 690 - Disk maximum throughput: 44Mbps | 44000Kbps Based on the above output, which of the following BEST describes the root cause?
The correct answer is B. Option B: The system has reached its maximum permitted throughput, therefore iowait is increasing.
A systems administrator wants to test the route between IP address 10.0.2.15 and IP address 192.168.1.40. Which of the following commands will accomplish this task?
The correct answer is B. Option B: ip route get 192.163.1.40 from 10.0.2.15
A Linux administrator was tasked with deleting all files and directories with names that are contained in the sobelete.txt file. Which of the following commands will accomplish this task?
The correct answer is D. Option D: cat toDelete.txt | xargs rm -rf
A Linux administrator is troubleshooting the root cause of a high CPU load and average. Which of the following commands will permanently resolve the issue?
The correct answer is D. Option D: kill -9 6295
Showing questions 21–40 of 263 · Page 2 of 14