A new Linux systems administrator just generated a pair of SSH keys that should allow connection to the servers. Which of the following commands can be used to copy a key file to remote servers? (Choose two.)
While inspecting a recently compromised Linux system, the administrator identified a number of processes that should not have been running:
Which of the following commands should the administrator use to terminate all of the identified processes?
After listing the properties of a system account, a systems administrator wants to remove the expiration date of a user account. Which of the following commands will accomplish this task?
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?
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?
A Linux engineer needs to download a ZIP file and wants to set the nice of value to -10 for this new process. Which of the following commands will help to accomplish the task?
A Linux administrator is troubleshooting a memory-related issue. Based on the output of the commands:
Which of the following commands would address the issue?
A Linux administrator created a new file system. Which of the following files must be updated to ensure the filesystem mounts at boot time?
A Linux administrator booted up the server and was presented with a non-GUI terminal. The administrator ran the command systemctl isolate graphical.target and rebooted the system by running systemctl reboot, which fixed the issue. However, the next day the administrator was presented again with a non-GUI terminal. Which of the following is the issue?
Which of the following directories is the mount point in a UEFI system?
A systems administrator needs to clone the partition /dev/sdc1 to /dev/sdd1. Which of the following commands will accomplish this task?
A Linux systems administrator receives reports from various users that an application hosted on a server has stopped responding at similar times for several days in a row. The administrator logs in to the system and obtains the following output:
Which of the following should the administrator do to provide the BEST solution for the reported issue?
In order to copy data from another VLAN, a systems administrator wants to temporarily assign IP address 10.0.6 5/24 to the newly added network interface enp1s0f1. Which of the following commands should the administrator run to achieve the goal?
Based on an organization’s 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?
A developer is trying to install an application remotely that requires a graphical interface for installation. The developer requested assistance to set up the necessary environment variables along with X11 forwarding in SSH. Which of the following environment variables must be set in remote shell in order to launch the graphical interface?
A cloud engineer is asked to copy the file deployment.yaml from a container to the host where the container is running. Which of the following commands can accomplish this task?
A systems administrator made some changes in the ~/.bashrc file and added an alias command. When the administrator tried to use the alias command, it did not work. Which of the following should be executed FIRST?
A systems technician is working on deploying several microservices to various RPM-based systems, some of which could run up to two hours. Which of the following commands will allow the technician to execute those services and continue deploying other microservices within the same terminal section?
A junior administrator is trying to set up a passwordless SSH connection to one of the servers. The administrator follows the instructions and puts the key in the authorized_key file at the server, but the administrator is still asked to provide a password during the connection.
Given the following output:
Which of the following commands would resolve the issue and allow an SSH connection to be established without a password?
A systems administrator is receiving tickets from users who cannot reach the application app that should be listening on port 9443/tcp on a Linux server.
To troubleshoot the issue, the systems administrator runs netstat and receives the following output:
Based on the information above, which of the following is causing the issue?
The server is in a "Listen" state on port 9943 using its loopback address. The "1234" is a process-id
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?
A Linux administrator is creating a primary partition on the replacement hard drive for an application server. Which of the following commands should the administrator issue to verify the device name of this partition?
A Linux administrator has logged in to a server for the first time and needs to know which services are allowed through the firewall. Which of the following options will return the results for which the administrator is looking?