sca_sles15 시험 - SUSE실제시험문제와 답 - 70문항

Question No : 1

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

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

Question No : 2

Select the valid device types. (Choose two)

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

정답:

Question No : 3

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.

정답:

Question No : 4

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

정답:

Question No : 5

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

정답:

Question No : 6

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++))

정답:

Question No : 7

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

정답:

Question No : 8

Which command is used to manage software RAID?

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

정답:

Question No : 9

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

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

Question No : 10

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

정답:

Question No : 11

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

정답:

Question No : 12

Which Vim command will save the current file without exiting?

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

정답:
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 No : 13

Which system initialization system is used in SLES 15?

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

정답:
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 No : 14

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.

정답:

Question No : 15

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.

정답:

SUSE sca_sles15 시험