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Which of the following is causing the issue?
A systems administrator is investigating why one of the servers has stopped connecting to the internet. Which of the following is causing the issue?A . The DNS address has been commented out in the configuration file.B . The search entry in the /etc/resolv.conf file is incorrect.C . Wired connection 1...
Given this scenario, which of the following should the administrator do to recover this volume?
One leg of an LVM-mirrored volume failed due to the underlying physical volume, and a systems administrator is troubleshooting the issue. The following output has been provided: Given this scenario, which of the following should the administrator do to recover this volume?A . Reboot the server. The volume will automatically...
Which of the following will prevent non-root SSH access to a Linux server?
Which of the following will prevent non-root SSH access to a Linux server?A . Creating the /etc/nologin fileB . Creating the /etc/nologin.allow file containing only a single line rootC . Creating the /etc/nologin/login.deny file containing a single line +allD . Ensuring that /etc/pam.d/sshd includes account sufficient pam_nologin.soView AnswerAnswer: A Explanation:...
Which of the following commands will achieve this goal?
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 . chmod 4744 dev_team.txtB . chmod 744 --setuid dev_team.txtC . chmod -c 744 dev_team.txtD . chmod -v 4744 --suid dev_team.txtView AnswerAnswer: A Explanation: The...
Which of the following commands can be used together to accomplish this task?
A Linux systems administrator needs to persistently enable IPv4 forwarding in one of the Linux systems. Which of the following commands can be used together to accomplish this task? (Choose two.)A . sysctl net.ipv4.ip_forwardB . sysctl -w net.ipv4.ip_forward=1C . echo "net.ipv4.ip_forward=1" >> /etc/sysctl.confD . echo 1 > /proc/sys/net/ipv4/ip_forwardE . sysctl...
Which of the following commands will delete the file?
A systems administrator wants to delete app . conf from a Git repository. Which of the following commands will delete the file?A . git tag app. confB . git commit app . confC . git checkout app . confD . git rm app. confView AnswerAnswer: D Explanation: To delete a...
Which of following should the administrator use to meet this requirement?
A systems administrator checked out the code from the repository, created a new branch, made changes to the code, and then updated the main branch. The systems administrator wants to ensure that the Terraform state files do not appear in the main branch. Which of following should the administrator use...
Which of the following commands will accomplish this task?
A Linux administrator has been tasked with installing the most recent versions of packages on a RPM-based OS. Which of the following commands will accomplish this task?A . apt-get upgradeB . rpm -aC . yum updateinfoD . dnf updateE . yum check-updateView AnswerAnswer: D Explanation: The dnf update command will...
Which of the following Git commands should the engineer use to perform this task?
A DevOps engineer is working on a local copy of a Git repository. The engineer would like to switch from the main branch to the staging branch but notices the staging branch does not exist. Which of the following Git commands should the engineer use to perform this task? A....
Which of the following commands will help to accomplish this task?
A cloud engineer needs to remove all dangling images and delete all the images that do not have an associated container. Which of the following commands will help to accomplish this task?A . docker images prune -aB . docker push images -aC . docker rmi -a imagesD . docker images...
