XK0-004 exam

A Linux system is running normally when the systems administrator receives an alert that one application spawned many processes. The application is consuming a lot of memory, and it will soon cause the machine to become unresponsive. Which of the following commands will stop each application process?A . kill ‘pidof...

A user is unable to write data to an NFS datastore at /mnt/storage. A df command indicates 50% free inodes. Which of the following commands should the user attempt NEXT to diagnose the situation?A . df -h /mnt/storageB . du -sh /mntC . fdisk -l /mnt/storageD . df -i /mnt/storageView...

Ann, a user, has created a new directory and noticed that permissions on the new directory are as follows: drwx------. 1 ann ann 0 Jun 11 08:20 work Which of the following should the administrator do to restore default permissions for newly created directories?A . Change umask value in /etc/profile.B...

A Linux administrator needs to prevent the Postfix mail transfer agent from starting on boot. Which of the following commands will accomplish this task?A . systemctl stop postfix.serviceB . /etc/init.d/postfix stopC . systemctl disable postfix.serviceD . /etc/init.d/postfix disableView AnswerAnswer: B Explanation: Reference: https://www.cyberciti.biz/faq/linux-unix-start-stop-restart-postfix/

A systems administrator is troubleshooting an intermittent network connection at the IP address 192.168.1.23. The administrator wishes to monitor the connection at five-minute intervals for one hour. Which of the following commands will accomplish this task?A . ping -i 5 192.168.1.23B . ping -c 12 192.168.1.23C . ping -c 12...

Which of the following will provide a list of all flash, external, internal, and SSD drives?A . lspciB . lsmodC . lsblkD . lsusbView AnswerAnswer: C Explanation: Reference: https://www.linux.com/learn/intro-to-linux/2017/3/how-format-storage-devices-linux

Which of the following will provide a list of all flash, external, internal, and SSD drives?A . lspciB . lsmodC . lsblkD . lsusbView AnswerAnswer: C Explanation: Reference: https://www.linux.com/learn/intro-to-linux/2017/3/how-format-storage-devices-linux

An administrator is using a configuration management tool to define a system’s configuration. The defined configuration can be used to provision new systems, rebuild existing systems, or roll back systems to their original baseline configurations. Which of the following BEST describes what the administrator is doing?A . Build automationB ....

Which of the following will provide a list of all flash, external, internal, and SSD drives?A . lspciB . lsmodC . lsblkD . lsusbView AnswerAnswer: C Explanation: Reference: https://www.linux.com/learn/intro-to-linux/2017/3/how-format-storage-devices-linux

Given that a company’s policy states that users cannot install third-party tools on Window servers, which of the following protocols will allow a Linux GUI to connect to a Windows server?A . VNCB . NXC . RDPD . X11View AnswerAnswer: A Explanation: Reference: https://phoenixnap.com/kb/ssh-to-connect-to-remote-server-linux-or-windows