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SUSE sca_sles15 SUSE Certified Administrator in Enterprise Linux 15 (050-754) Online Training

Question #1

Which option for zypper will list the available patches?

  • A . zypper showpatch
  • B . zypper patch
  • C . zypper Ip
  • D . zypper list-patch
  • E . zypper lu

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Correct Answer: B
B

Explanation:

First, view all available patches using patches option as shown below:

zypper patches Next, you can install a specific patch from the above output using the patch option as shown below.zypper patch <patch name>

https://www.thegeekstuff.com/2015/04/zypper-examples/

Question #2

Assume you need to make the third menu entry of your GRUB2 boot menu your default menu selection.

What tasks must be completed to accomplish this? (Choose two)

  • A . Run the grub2-mkconfig command
  • B . Edit the /etc/default/grub file and set GRUB_DEFAULX to 2
  • C . Run the mkinitrd command
  • D . Edit /etc/grub2/custom.cfg and set GRUB_MENU to3
  • E . Edit the /boot/grub2/menu.cfg file and set MENU_DEFAULT to 3
  • F . Run the systemctl reload systemd command

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Correct Answer: A, B
Question #3

What does the term "action* mean when referring to system logging in SUSE Linux Enterprise?

  • A . An action defines where a log message ends up such as in a regular file or database table.
  • B . An action is used to define the severity of a log message.
  • C . An action is used to filter out desired log messages for processing.
  • D . An action is a process that the issuing facility must go through before issuing the log message.

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Correct Answer: A
Question #4

Which directory is traditionally used as a catch all to mount local and/or remote file systems?

  • A . /mnt
  • B . /etc
  • C . /home
  • D . /var
  • E . /tmP

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Correct Answer: A
Question #5

You are working at a terminal window of a server at the office, but you want to continue this work by

remotely accessing the terminal session from your home office.

Which command will you need to use to accomplish this?

  • A . screen
  • B . bg
  • C . -tty-release
  • D . Ctrl-fa, r
  • E . bg -term disconnect

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Correct Answer: A
Question #6

For programs to leverage PolKit they are split into two separate processes.

Which statements below are true regarding these two PolKit processes? {Choose two)

  • A . The Policy Agent process runs in the System Context.
  • B . The Policy Agent process runs in the User Session.
  • C . The Mechanism process runs in the System Context.
  • D . The Mechanism process runs in the User Session.
  • E . The Authentication Agent runs in the System Context.
  • F . The D-Bus runs in the User Session.

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Correct Answer: AC
Question #7

When using the nice command, which of the following is the higher priority, -15 or 7?

  • A . 7
  • B . -15
  • C . Neither since the values are not within the acceptable range.
  • D . It depends on the system priority set by the scheduler when the task was launched.

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Correct Answer: B
Question #8

Which system initialization system is used in SLES 15?

  • A . undev
  • B . init
  • C . System V
  • D . systemd
  • E . UEFI

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Correct Answer: D
D

Explanation:

The program systemd is the process with process ID 1. It is responsible for initializing the system in the

required way. systemd is started directly by the kernel and resists signal 9, which normally terminates

processes. All other programs are either started directly by systemd or by one of its child processes.

Question #9

Which Vim command will save the current file without exiting?

  • A . q!
  • B . w-no-exit
  • C . wq!
  • D . w
  • E . w!

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Correct Answer: D
D

Explanation:

Save a File in Vim / Vi #The command to save a file in Vim is :w.

To save the file without exiting the editor, switch back to normal mode by pressing Esc,type :w and hit Enter.

https://linuxize.com/post/how-to-save-file-in-vim-quit-editor/

Question #10

After the Kernel has been loaded during the boot process, which component will handle hardware

detection?

  • A . udev
  • B . devmgr
  • C . initramfs
  • D . hal
  • E . devfsd

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Correct Answer: A

Question #11

Which file contains information about secondary groups on the system?

  • A . /etc/second.grp
  • B . /var/share/group
  • C . etc/sysconflg/group
  • D . /etc/group
  • E . /var/lib/group

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Correct Answer: D
Question #12

You want to add two new custom items to the GRUB2 boot menu.

Which file should you modify to accomplish this?

  • A . /etc/grub.d/custom.cfg
  • B . /etc/default/grub
  • C . /etc/boot/grub.cfg
  • D . /boot/grub2/menu.cfg
  • E . /boot/grub2/custom.cfg

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Correct Answer: E
E

Explanation:

https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-grub2.html

Question #13

Which command is used to manage software RAID?

  • A . mdadm
  • B . yast swraid
  • C . raidadm
  • D . fdisk –raid
  • E . mdmgr

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Correct Answer: A
Question #14

You’re setting up a SUES 15 server which will require very large data volumes and journaling

capabilities.

Which file system listed below would be the best choice for your data volumes?

  • A . VFAT
  • B . XFS
  • C . Ext2
  • D . ReiserFS
  • E . Ext3

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Correct Answer: B
Question #15

Which bash commands result in a valid arithmetic expansion? (Choose three)

  • A . TOTAL=$((5.3+2.2))
  • B . TOTAL=$[8/2]
  • C . TOTAL=$[8.4/2.1]
  • D . TOTAL=$[2.1*4]
  • E . TOTAL=$((5+2))
  • F . ((TOTAL++))

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Correct Answer: B ,E ,F
Question #16

What starts the Linux Kernel during the boot process?

  • A . initd
  • B . The Boot Loader
  • C . systemd
  • D . The udev process
  • E . BIOS or UEFI depending on the hardware architecture

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Correct Answer: B
Question #17

What is the command and options to remove repository number 4?

  • A . yumrepo -del 4
  • B . zypper rr 4
  • C . libzypp –remove-repo 4
  • D . yast repo-manag
  • E . rpm -rr 4

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Correct Answer: B
Question #18

What does the (x) permission on a directory mean?

  • A . Nothing – the execute permission cannot be assigned to a directory.
  • B . The export permission on a directory means that directory can be mounted by a remote server.
  • C . The exclude permission on a directory means that the directory will not be displayed by the Is
    command.
  • D . The execute permission on a directory means you can use the cd command to change into the
    directory.
  • E . The exclude permission on a directory means that the files in the directory are hidden.
  • F . The examine permission on a directory means that you can see the directory’s contents.

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Correct Answer: D
Question #19

Select the valid device types. (Choose two)

  • A . Pipe
  • B . null
  • C . Redirect
  • D . udev
  • E . Network
  • F . Character
  • G . Block

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Correct Answer: F,G
Question #20

What are the three permissions available on posix file systems? (Choose three)

  • A . Read
  • B . Sharable
  • C . Edit
  • D . Change
  • E . User
  • F . All
  • G . Write
  • H . Execute

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Correct Answer: A,G,H
A,G,H

Explanation:

https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-security-acls.html

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