A Linux administrator receives a call from the network operations team that one of the database applications is down on a Linux server. The Linux server is configured with RAID 1 for redundancy, and the array /dev/md0 consists of two devices called /dev/sda1and /dev/sdb1. After looking at the status of the RAID 1 array in the /proc/mdstatfile, the administrator discovers the RAID 1 array is degraded and the disk /dev/sdb1on which the database application was installed appears to have failed.
Which of the following steps should the administrator take to remove the device /dev/sdb1from the RAID array md0? (Choose two.)
A systems administrator is configuring options on a newly installed Linux VM that will be deployed to the Pacific time zone. Which of the following sets of commands should the administrator execute to accurately configure the correct time settings?
An administrator is troubleshooting an application that has failed to start after the server was rebooted. Noticing the data volume is not mounted, the administrator attempts to mount it and receives this error:
Upon checking the logical volume status, the administrator receives this information:
Which of the following can be said about the data logical volume, and how can this problem be resolved?
An administrator needs to deploy 100 identical CentOS workstations via PXE boot. Which of the following should the administrator use to minimize the amount of interaction with the consoles needed?
A systems administrator has received reports of intermittent network connectivity to a particular website.
Which of the following is the BEST command to use to characterize the location and type of failure over the course of several minutes?