Q40. An administrator needs to mount the shared NFS file system testhost:/testvolume to mount point /mnt/testvol and make the mount persistent after reboot.
Which of the following BEST demonstrates the commands necessary to accomplish this task?

Q41. A Linux administrator is setting up a testing environment and needs to connect to a separate testing server using the production server name. The administrator needs to override the hostname that the DNS is returning in order to use the test environment. Which of the following commands should be run on each of the testing systems to BEST meet this goal?

Q42. 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?

Q43. A systems administrator is attempting to access a server by SSH. The Linux administrator ensures that the SSH keys on the remote server were unable to connect. The following error message is being displayed:

Which of the following needs to be changed on order for the administrator to access the server via SSH?

Q44. A Linux engineer is troubleshooting a newly added SCSI device for a Linux server that needed more disk
space without rebooting. The engineer discovers that the new device is not visible by the Linux kernel in
fdisk -l output. Which of the following commands should be used to rescan the entire SCSI bus?

Q45. A systems administrator notices several intensive tasks executing from users Joe and Ann. These processes are impacting server operations but must be allowed to continue running.
Which of the following commands should the systems administrator run to reduce the impact on the server?

Q46. A Linux administrator needs to add some files in a directory to the Git repository but must exclude some local
.tmp files that are occasionally created by the scripts.
Which of the following is the BEST way to accomplish this task?

Q47. A user receives an access_denied error when trying to modify a file, even though the file permissions are set
to 777. Which of the following commands should be used to view additional file permissions?

Q48. Which of the following is an M.2 drive device name?

Q49. An administrator has modified the configuration file for a service. The service is still running but is not using the new configured values. Which of the following will BEST remediate this issue?

Q50. A Linux systems administrator is troubleshooting an issue with the /home directory running out of space. The administrator needs to determine which /home directories are using the most space. Which of the following commands should be used?

Q51. The lead Linux has added a disk, /dev/sdd, to a VM that is running out of disk space. Place the following steps in the correct order from first (1) to last (4) to add the disk to the existing LVM.

Q52. 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?

Q53. Vytvcft of the following a a fie that can define how to build deploy and mstaf various components for a Linux application hosted m a cloud environment?

Q54. Which of the following configuration management tools is considered agentless?

Q55. An administrator wants to add a user named comptia to the system administrators group. Which of the following commands will accomplish this task?