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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...
Which of the following commands should the administrator use to accomplish this task?
A Linux administrator needs to obtain a list of all volumes that are part of a volume group. Which of the following commands should the administrator use to accomplish this task?A . vgsB . lvsC . fdisk -1D . pvsView AnswerAnswer: B Explanation: The lvs command can be used to...
Which of the following commands will accomplish this task?
A Linux administrator needs to redirect all HTTP traffic temporarily to the new proxy server 192.0.2.25 on port 3128. Which of the following commands will accomplish this task?A . iptables -t nat -D PREROUTING -p tcp --sport 80 -j DNAT - -to-destination 192.0.2.25:3128B . iptables -t nat -A PREROUTING -p...
Which of the following should the Linux administrator configure so the requested packages can be installed?
A database administrator requested the installation of a custom database on one of the servers. Which of the following should the Linux administrator configure so the requested packages can be installed?A . /etc/yum.confB . /etc/ssh/sshd.confC . /etc/yum.repos.d/db.repoD . /etc/resolv.confView AnswerAnswer: C Explanation: The Linux administrator should configure /etc/yum.repos.d/db.repo so that...
Which of the following will execute the command?
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?A . tail -v 20B . tail -n 20C . tail -c 20D . tail -l 20View AnswerAnswer: B Explanation: The command...
In which of the following locations should the administrator place the public keys for the server?
A systems administrator is tasked with setting up key-based SSH authentication. In which of the following locations should the administrator place the public keys for the server?A . ~/.sshd/authkeysB . ~/.ssh/keysC . ~/.ssh/authorized_keysD . ~/.ssh/keyauthView AnswerAnswer: C Explanation: The administrator should place the public keys for the server in the...
To which of the following configuration files will the required changes need to be made?
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 . /etc/login.defsB . /etc/security/limits.confC...
Which of the following commands will accomplish this task?
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?A . chgrp system accountnameB . passwd Cs accountnameC . chmod -G system account nameD . chage -E -1 accountnameView AnswerAnswer:...
Which of the following commands will allow the users access to the files?
Users in the human resources department are trying to access files in a newly created directory. Which of the following commands will allow the users access to the files?A . chattrB . chgrpC . chageD . chconView AnswerAnswer: B Explanation: The chgrp command is used to change the group ownership...
