Which of the following commands can be used to access the content of a ramdisk file (/boot/initrd) used by the kernel at boot time?

• A.cp /boot/initrd /tmp/initrd.gz; gunzip initrd.gz; mount /tmp/initrd /mnt/ -o loop
• B.cp /boot/initrd /tmp/initrd.gz; mount /tmp/initrd /mnt/ -o loop
• C.mount /boot/initrd /mnt/ -0 loop; cat /mnt
• D.cp /boot/initrd /tmp/initrd.gz; gunzip initrd.gz; mount /tmp/initrd /mnt/
• E.mkintird -d /boot/initrd; mount /boot/initrd /mnt/ -o loop

Comment: *

Name: *

Email: *

Verification: *

The main configuration file for autofs has this entry:
/home /etc/auto.home
What is the meaning of the /etc/auto.home file?

• A.It has configuration information, such as passwords and keys, for the remote file server.
• B.It is the holds the SSL key to allow authentication to the remote file server.
• C.It has configuration information on settings for the /home mount point.
• D.It has the indirect maps for the mounting of file systems.

Comment: *

Name: *

Email: *

Verification: *

Which of these tools can provide the most information about DNS queries?

• A.named-checkzone
• B.dig
• C.named-checkconf
• D.nslookup
• E.host

Comment: *

Name: *

Email: *

Verification: *

Which of the following commands erases the contents of the /dev/sdb3partition?

• A.dd of=/dev/zero if=/dev/sdb3
• B.rm /dev/sdb3
• C.umount /dev/sdb3
• D.dd if=/dev/zero of=/dev/sdb3

Comment: *

Name: *

Email: *

Verification: *

A Linux server running systemd booted to rescue.target for maintenance.
Which commands are used to restore the server to its usual target? (Choose two.)

• A.systemctl reboot
• B.systemctl emergency
• C.sync
• D.systemctl default
• E.telinit 0

Comment: *

Name: *

Email: *

Verification: *