CompTIA XK0-005 Practice Test - Questions Answers, Page 39

A Linux administrator needs to set the permissions on a server. The administrator wants to have the files within the directory set to read-write permissions and the directory set to read-write-execute permissions. Which of the following commands should the administrator use?

A newly hired junior administrator is studying the format of the /var/log/messages file. Which of the following commands should the administrator use to preserve the contents of the original file while also creating an identical file in the /home/admin directory?

A Linux administrator is creating a directory called CompTIA_doc and needs to switch to another location to perform some system-related tasks. Which of the following commands should the administrator use for this task?

A Linux administrator is configuring crontab and needs to schedule a task to run only on Saturday and Sunday at 9:00 a.m. every week of the year. Which of the following should the administrator use?

A new hard drive /dev/sdd was added to a server. Which of the following commands will create a partition table with a single partition /dev/sdd1 that consumes the entire disk?

An administrator made a change to a system's network configuration. Which of the following best represents what the administrator should do to have the new configuration take effect?

A Linux administrator is creating a directory called CompTIA_doc, and it needs to switch to another location to perform some system-related tasks. Which of the following commands should the administrator use for this task?

An administrator needs to stop a foreground process in between its execution in a terminal. Which of the following should the administrator use?

Users report that they cannot access some files located in the /opt/finapp directory after a power outage caused an unexpected server restart. A Linux administrator examines the following filesystem details and system logs:

# mount | grep finapp

/dev/mapper/rhel-opt_finapp on /opt/finapp type xfs (rw,relatime,seclabel,attr2,inode64,logbufs=8,logbsize=32k,noquota)

# lsblk

NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT

sda 8:0 0 931.5G 0 disk

|-sda1 8:1 0 1G 0 part /boot

|-sda2 8:2 0 930.5G 0 part

|-rhel-root 253:0 0 30.5G 0 lvm /

|-rhel-opt_finapp 253:1 0 900G 0 lvm /opt/finapp

# grep opt_finapp /var/log/messages

XFS (opt_finapp): Corruption detected in inode 3645, extent tree

Which of the following commands should the administrator run in an attempt to fix the filesystem?