XK0-004 試験問題を無料オンラインアクセス

Joe, a user, reports that he is no longer able to write files to his home directory. Upon inspection, the Linux administrator discovers that attempting to create a new file gives the following error: No space left on device. However, the disk and partition are not full. Which of the following commands would be BEST for the administrator to use to continue troubleshooting this problem?

• A.rm -Rf ~/.*
• B.fsck -y /dev/sda1
• C.fdisk /dev/sda
• D.df -i

A security administrator wants to display a warning banner before a user logs in. Which of the following files must be edited to make this happen?

• A./etc/issue
• B./etc/motd
• C./etc/services
• D./etc/hosts

An administrator is logged into a server remotely and wants to determine if the system is a VM. Which of the following commands would assist with this?

• A.vmstat
• B.dmesg
• C.top
• D.ps

Which of the following BEST describes the difference between a container and a VM?

• A.VMs are larger than containers.
• B.VMs share host libraries and a kernel, while containers have their own libraries and kernel.
• C.Containers are larger than VMs.
• D.Containers share host OS libraries and a kernel, while VMs have their own libraries and kernel.

A lab virtual image is always named pc21.local and in variety of testing situation. The administrator wants to use the IP address pc21.local in a script but is concerned it may change from day to day, as the image is rebuilt fairly often. Which of the following should the administrator add to a script to ensure the IP address is always accurate?

• A.MYIP =$(dig pc21.local +short
• B.MYIP =$(dig pc21.local + answer + mostatus
• C.MYIP =$(dig pc21.local +authority)
• D.MYIP =$(dig pc21.local +norecurse +nocomments)