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SCA_SLES15 SUSE Certified Administrator in SUSE Linux Enterprise Server 15

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The complete product contains 70 questions.

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Single choice7

Multiple choice4

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SUSE · SCA_SLES15

SCA_SLES15 questions and answers

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Question 1

Single choice

You want to restrict access to your server via SSH to just a few specific users.

What will you need to do to accomplish this?

A
Modify the Authorized option in the /etc/ssh/sshd_config file.
B
Modify the Permitted option in the ~/.ssh/sshd_config file
C
Modify the Permitted option is the Assh/sshd_configfile.
D
Modify the AllowUsers option in the /etc/ssh/sshd_config file.
E
Modify the Authorized option in the /var/ssh/config file.

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Correct answerD

Question 2

Single choice

If the file1.txt file already exists in your home directory, what will the touch -7file1.
txt command do if anything?

A
This command displays a message that file1.txt is a normal file.
B
This changes the access and modification times of the existing file1.txt file.
C
This will delete the existing file1.txt file and create a new zero byte file using the same name.
D
This generates an error since file1.txt already exists.
E
This causes any additional data to be appended to the existing file1.txt file.
F
This command displays a message that file1.txt is a normal file and displays the size of the file.

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Correct answerC

Question 3

Single choice

Which command gives you a real-time view of the processes running on your system by giving you a continuously updated list?

A
procupdate
B
pstree
C
Is-la
D
ps -x
E
top
F
showproc

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Correct answerE

Question 4

Single choice

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 answerD

Explanation

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 5

Multiple choice

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 answersC, E

Question 6

Multiple choice

Which commands and options will display the routing table? (Choose two)

A
cat /etc/sysconfig/routes
B
ip route show
C
ip r s
D
showroute -a
E
ipconfig -rd

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Correct answersA, B

Explanation

Explanation:
https://www.suse.com/support/kb/doc/?id=000016843

Question 7

Single choice

You want ensure an ext3 filesystem is checked every 50 times it is mounted.

Which command would you use?

A
dumpe2fs
B
mkfs
C
fdisk -o
D
tune2fs

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Correct answerB

Question 8

Single choice

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 answerE

Explanation

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

Question 9

Multiple choice

How are the scripts in the /etc/grub.d directory used? (Choose two)

A
The contents of these scripts are incorporated into the /boot/grub2/custom.cfg file.
B
The contents of these scripts are incorporated into the /etc/grub2.d/configfiLe.
C
The contents of these scripts are incorporated into the /boot/grub2/grub.cfg file.
D
These scripts are taken as input by the mkinitrd command.
E
These scriptSrare taken as input by the grub2-init command.
F
These scripts are taken as input by the grub2-mkconfig command.

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Correct answersA, C

Question 10

Single choice

Which file should be edited to make sure a file system is mounted each time a system boots?

A
/mnt/fstab
B
/etc/fstab
C
/etc/sysconfig/fstab
D
/etc/sysconfig/storage/fstab
E
/var/Ub/fstab

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Correct answerC

Question 11

Multiple choice

The openSUSE Leap version of Linux is designed for which types of user environments? (Choose two)

A
Environments requiring High-Availability
B
Desktop power users
C
Users requiring only secure terminal access
D
Data Center environments
E
Developers

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Correct answersB, D