Down To Date 101-500 Free Samples 2021

NEW QUESTION 1

Which umask value ensures that new directories can be read, written and listed by their owning user, read and listed by their owning group and are not accessible at all for everyone else?

• A. 0750
• B. 0027
• C. 0036
• D. 7640
• E. 0029

Answer: B

NEW QUESTION 2

Which of the following commands converts spaces in a file to tab characters and prints the result to standard output?

• A. iconv
• B. expand
• C. unexpand
• D. tab

Answer: C

NEW QUESTION 3

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

Answer: E

NEW QUESTION 4

Which of the following statements is correct for a command line ending with a & character?

• A. The command’s output is redirected to/dev/null.
• B. The result of the command defines if the next command will be run.
• C. Thecommand is run in background of the current shell.
• D. The command is run as a direct child of theinitprocess.

Answer: C

NEW QUESTION 5

Typically, which top level system directory is used for files and data that change regularly while the system is running and are to be kept between reboots? (Specify only the top level directory)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
/var, /var/, var, var/

NEW QUESTION 6
Given the following input stream:
txt1.txt
atxt.txt
txtB.txt
Which of the following regular expressions turns this input stream into the following output stream? txt1.bak.txt
atxt.bak.txt
txtB.bak.txt

• A. s/^.txt/.bak/
• B. s/txt/bak.txt/
• C. s/txt$/bak.txt/
• D. s/^txt$/.bak^/
• E. s/[.txt]/.bak$1/

Answer: B

NEW QUESTION 7

Which of the following is a limitation of the cut command?

• A. Thecutcommand can only select output by field position.
• B. Thecutcommand cannot reorder fields.
• C. Thecutcommand only works on ASCIItext.
• D. Thecutcommand cannot use different input and output delimiters.

Answer: B

NEW QUESTION 8

Which shell command is used to continue background execution of a suspended command?

• A. &
• B. bg
• C. cont
• D. exec
• E. :&

Answer: B

NEW QUESTION 9

How is a symbolic link called bar.conf pointing to foo.conf created?

• A. ln –s foo.conf bar.conf
• B. ln foo.conf bar.conf
• C. ln –s bar.conf foo.conf
• D. ln bar.conffoo.conf

Answer: A

NEW QUESTION 10

Which command is used to start another command with a given nice level? (Specify ONLY the command without any path or parameters.)

• A. Mastered
• B. Not Mastered

Answer: A

Explanation:
nice

NEW QUESTION 11

Which of the following information is stored within the BIOS? (Choose TWO correct answers.)

• A. Boot device order
• B. Linux kernel version
• C. Timezone
• D. Hardware configuration
• E. The system's hostname

Answer: AD

NEW QUESTION 12

Which of the following commands will produce the following output?

• A. jobs
• B. proclist
• C. netstat
• D. ps

Answer: D

NEW QUESTION 13

Which of the following commands displays the contents of a gzip compressed tar archive?

• A. gzip archive.tgz | tar xvf -
• B. tar ztf archive.tgz
• C. gzip -d archive.tgz | tar tvf -
• D. tar cf archive.tgz

Answer: B

NEW QUESTION 14

A faulty kernel module is causing issues with a network interface card. Which of the following actions ensures that this module is not loaded automatically when the system boots?

• A. Using lsmod --remove --autoclean without specifying the name of a specific module
• B. Using modinfo –k followed by the name of the offending module
• C. Using modprobe –r followed by the name of the offending module
• D. Adding a blacklist line including the name of the offending module to the file/etc/modprobe.d/blacklist.conf
• E. Deleting the kernel module’s directory from the file system and recompiling the kernel, including its modules

Answer: D

NEW QUESTION 15

Which command is used to query information about the available packages on a Debian system?

• A. apt-cache
• B. apt-get
• C. apt-search
• D. dpkg
• E. dpkg-search

Answer: A

NEW QUESTION 16

What is the effect of the egrep command when the -v option is used?

• A. It enables color to highlight matching parts.
• B. It only outputs non-matching lines.
• C. It shows the command's version information.
• D. It changes the output order showing the last matching line first.

Answer: B

NEW QUESTION 17

What is the default nice level when a process is started using the nice command?

• A. -10
• B. 10
• C. 20

Answer: B

NEW QUESTION 18

Which of the following commands will send output from the program myapp to both standard output (stdout)
and the file file1.log?

• A. cat < myapp | cat > file1.log
• B. myapp 0>&1 | cat > file1.log
• C. myapp | cat > file1.log
• D. myapp | tee file1.log
• E. tee myapp file1.log

Answer: D

NEW QUESTION 19

Which of the following commands will change the quota for a specific user?

• A. edquota
• B. repquota
• C. quota -e
• D. quota

Answer: A

NEW QUESTION 20

Which of the following commands instructs SysVinit to reload its configuration file?

• A. reinit
• B. initreload
• C. telinit 7
• D. telinit q
• E. init reinit

Answer: D

NEW QUESTION 21

In the vi editor, which of the following commands will copy the current line into the vi buffer?

• A. c
• B. cc
• C. 1c
• D. yy
• E. 1y

Answer: D

NEW QUESTION 22

What is the first program the Linux kernel starts at boot time when using System V init?

• A. /lib/init.so
• B. /proc/sys/kernel/init
• C. /etc/rc.d/rcinit
• D. /sbin/init
• E. /boot/init

Answer: D

NEW QUESTION 23

Which utility would be used to change how often a filesystem check is performed on an ext2 filesystem without losing any data stored on that filesystem?

• A. mod2fs
• B. fsck
• C. tune2fs
• D. mke2fs
• E. fixe2fs

Answer: C

NEW QUESTION 24

Which of the following commands will mount an already inserted CD-ROM in /dev/sr0 onto an existing directory /mnt/cdrom when issued with root privileges?

• A. mount /dev/cdrom /mnt/cdrom
• B. mount /dev/sr0 /mnt/cdrom
• C. mount –t cdrom /dev/sr0 /mnt/cdrom
• D. mount –l cdrom /dev/sr0 /mnt/cdrom
• E. mount –f /dev/sr0/mnt/cdrom

Answer: C

NEW QUESTION 25

What is true regarding UEFI firmware? (Choose two.)

• A. It can read and interpret partition tables
• B. It can use and read certain file systems
• C. It stores its entire configuration on the /boot/ partition
• D. It is stored in a special area within the GPT metadata
• E. It is loaded from a fixed boot disk position

Answer: BD

NEW QUESTION 26

Which of the following settings for umask ensures that new files have the default permissions -rw-r----- ?

• A. 0017
• B. 0640
• C. 0038
• D. 0027

Answer: D

NEW QUESTION 27

Which function key is used to start Safe Mode in Windows NT?

• A. F10
• B. F8
• C. F6
• D. Windows NT does not support Safe Mode

Answer: D

NEW QUESTION 28
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