Free Access LinuxFoundation.LFCS.v2022-02-12.q121 Practice Test (Page 18)

Which of the following commands can be used to extract content from a tar file?

A.tar -c

B.tar -vf

C.tar-v

D.tar -e

E.tar -xvf

Which of the following is observed and corrected by a NTP client?

A.The skew in time between the system clock and the reference clock.

B.The skew in time between the system clock and the hardware clock.

C.Changes in the time zone of the current computer's location.

D.Adjustments needed to support Daylight Saving Time.

Which of the following commands will reduce all consecutive spaces down to a single space?

A.tr -r ' ' '\n' < a.txt >b.txt

B.tr -c ' ' < a.txt > b.txt

C.tr -d ' ' < a.txt > b.txt

D.tr '\s' ' ' < a.txt > b.txt

E.tr -s ' ' < a.txt > b.txt

Which file used by XDM specifies the default wallpaper?

A./etc/X11/defaults.conf

B./etc/X11/xdm/Xsetup

C./etc/X11/xdm/Defaults

D./etc/X11/xdm.conf

Which of the following options for the kernel's command line changes the systemd boot target to rescue.target instead of the default target?

A.systemd.target=rescue.target

B.systemd.runlevel=rescue.target

C.systemd.service=rescue.target

D.systemd.default=rescue.target

E.systemd.unit=rescue.target

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