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Which of the following should the Linux administrator choose for the new design?
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?A . Docker B. On-premises...
Which of the following PAM modules will accomplish this task?
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?A . pam_login.so B. pam_access.so C. pam_logindef.so D. pam_nologin.soView AnswerAnswer: D
Which of the following is a function of a bootloader?
Which of the following is a function of a bootloader?A . It initializes all the devices that are required to load the OS. B. It mounts the root filesystem that is required to load the OS. C. It helps to load the different kernels to initiate the OS startup process....
Which of the following commands will allow the technician to execute those services and continue deploying other microservices within the same terminal section?
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 . gedit & disown B....
Which of the following files will need to be modified for this server to be able to boot again?
A Linux system is failing to boot. The following error is displayed in the serial console: [[1;33mDEPEND[Om] Dependency failed for /data. [[1;33mDEPEND[Om] Dependency failed for Local File Systems ... Welcome to emergency mode! After logging in, type "journalctl -xb" to viewsystem logs, "systemctl reboot" to reboot, "systemctl default" to try...
Which of the following commands should the administrator use to identify the correct version of this file?
An administrator accidentally deleted the /boot/vmlinuz file and must resolve the issue before the server is rebooted. Which of the following commands should the administrator use to identify the correct version of this file?A . rpm -qa | grep kernel; uname -a B. yum -y update; shutdown -r now C....
Which of the following commands can be used for this task?
A systems administrator wants to be sure the sudo rules just added to /etc/sudoers are valid. Which of the following commands can be used for this task?A . visudo -c B. test -f /etc/sudoers C. sudo vi check D. cat /etc/sudoers | tee testView AnswerAnswer: A
Which of the following commands will enforce this rule?
A DevOps engineer needs to allow incoming traffic to ports in the range of 4000 to 5000 on a Linux server. Which of the following commands will enforce this rule?A . iptables -f filter -I INPUT -p tcp --dport 4000:5000 -A ACCEPT B. iptables -t filter -A INPUT -p tcp...
In order to go back to the program, which of the following commands can the administrator use?
A systems administrator pressed Ctrl+Z after starting a program using the command line, and the shell prompt was presented. In order to go back to the program, which of the following commands can the administrator use?A . fg B. su C. bg D. edView AnswerAnswer: A
After installing a new version of a package, a systems administrator notices a new version of the corresponding, service file was Installed In order to use the new version of the, service file, which of the following commands must be Issued FIRST?
After installing a new version of a package, a systems administrator notices a new version of the corresponding, service file was Installed In order to use the new version of the, service file, which of the following commands must be Issued FIRST?A . systemctl status B. systemctl stop C. systemctl...
