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SUSE SCA_SLES15 certification exam tests the candidate's knowledge and skills in various areas, including system architecture, installation and configuration, networking, storage management, and security. SCA_SLES15 exam is designed to ensure that the candidate has a deep understanding of SUSE Linux Enterprise Server 15 and can effectively manage and administer enterprise Linux systems.
NEW QUESTION # 16
Which commands can display the groups of which a user is a member? (Choose two)
- A. whoami
- B. finger
- C. id
- D. groups
- E. whoami -g
Answer: C,D
Explanation:
Explanation
The commands that can display the groups of which a user is a member are groups and id. The groups command will print the names of all primary and secondary groups that a user belongs to. If no user name is specified, it will print the groups for the current user. The id command will print various information about a user's identity, such as user ID (UID), group ID (GID), primary group name, secondary group names, etc.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-user-group.html#sec-user-group-disp
NEW QUESTION # 17
If the file1.txt file already exists in your home directory, what will the touch -7file1.txt command do if anything?
- A. This generates an error since file1.txt already exists.
- B. This causes any additional data to be appended to the existing file1.txt file.
- C. This command displays a message that file1.txt is a normal file and displays the size of the file.
- D. This command displays a message that file1.txt is a normal file.
- E. This changes the access and modification times of the existing file1.txt file.
- F. This will delete the existing file1.txt file and create a new zero byte file using the same name.
Answer: F
NEW QUESTION # 18
What are the three permissions available on posix file systems? (Choose three)
- A. Execute
- B. Change
- C. Sharable
- D. Read
- E. User
- F. All
- G. Edit
- H. Write
Answer: A,D,H
Explanation:
Explanation
https://documentation.suse.com/sles/12-SP4/html/SLES-all/cha-security-acls.html The three permissions available on posix file systems are read, write, and execute. The read permission allows the user to view the contents of a file or directory. The write permission allows the user to modify or delete a file or directory. The execute permission allows the user to run a file as a program or change into a directory.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-file-permissions.html#sec-file-permis
NEW QUESTION # 19
What does the (x) permission on a directory mean?
- A. The examine permission on a directory means that you can see the directory's contents.
- B. The exclude permission on a directory means that the directory will not be displayed by the Is command.
- C. The exclude permission on a directory means that the files in the directory are hidden.
- D. Nothing - the execute permission cannot be assigned to a directory.
- E. The execute permission on a directory means you can use the cd command to change into the directory.
- F. The export permission on a directory means that directory can be mounted by a remote server.
Answer: F
NEW QUESTION # 20
Which filesystem is the recommended filesystem for data volumes?
- A. Btrfs
- B. Ext3
- C. nfs
- D. Ext4
- E. XFS
Answer: A
Explanation:
https://documentation.suse.com/de-de/sles/15-GA/html/SLES-all/cha-filesystems.html
NEW QUESTION # 21
Which file contains the list of DNS services SLES will contact?
- A. /etc/hostname
- B. /etc/sysconfig/resolv.conf
- C. /etc/hosts
- D. /etc/sysconfig/nameservers
- E. /etc/resolv.conf
Answer: E
Explanation:
Explanation
The file that contains the list of DNS servers SLES will contact is /etc/resolv.conf. This file specifies one or more nameserver addresses that will be used to resolve hostnames to IP addresses. It may also contain other options such as search domains, sort lists, etc. The /etc/resolv.conf file can be generated automatically by network configuration tools or edited manually by the administrator.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-network-dns.html#sec-network-dns-r
NEW QUESTION # 22
Which Vim command will save the current file without exiting?
- A. wq!
- B. w!
- C. q!
- D. w-no-exit
- E. w
Answer: E
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/
The w command will save the current file without exiting Vim. It stands for write. The other commands are either invalid or will exit Vim after saving.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-vim.html#sec-vim-save
NEW QUESTION # 23
Which directory contains the initrd file?
- A. /startup/grub2
- B. /boot/grub2
- C. /loader
- D. /startup
- E. /loader/grub
- F. /boot
Answer: B
NEW QUESTION # 24
Which system initialization system is used in SLES 15?
- A. UEFI
- B. System V
- C. init
- D. undev
- E. systemd
Answer: E
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.
NEW QUESTION # 25
Which command will take a foreground process and suspend it. and then place it in the background as a stopped job?
- A. Ctrl+Z
- B. &&
- C. ctri+&
- D. fg--bg--stop
- E. bg
Answer: E
Explanation:
http://fsl.fmrib.ox.ac.uk/fslcourse/unix_intro/job.html
NEW QUESTION # 26
What does the term "action* mean when referring to system logging in SUSE Linux Enterprise?
- A. An action is a process that the issuing facility must go through before issuing the log message.
- B. An action defines where a log message ends up such as in a regular file or database table.
- C. An action is used to define the severity of a log message.
- D. An action is used to filter out desired log messages for processing.
Answer: B
NEW QUESTION # 27
Which statements about using the -U option and the -F option when running the rpm command are true?
(Choose two)
- A. The -F option will install a package only if a previous version of the package is already installed.
- B. The -U option will remove all the binaries in the package from the file system and update the RPM Database.
- C. The -U option remove all binaries, scripts, links, and documentation files associated with the RPM in the RPM Database.
- D. The -F option will verify (fix) a broken application based on the information in the RPM Database.
- E. The -U option will install a package whether or not a previous version of the package is already installed.
- F. The -F option will install a package whether or not a previous version of the package is already installed.
Answer: B,D
NEW QUESTION # 28
Which commands could you use to determine the proper syntax for the cp command? (Choose three)
- A. cp--help
- B. doc -cp
- C. help cp
- D. mancp cp
- E. info cp
- F. info --cp help
- G. display cp
Answer: A,D,E
Explanation:
Explanation
The commands that could be used to determine the proper syntax for the cp command are man cp, cp --help, and info cp. These commands will display the manual page, help message, or info page for the cp command, respectively. They will provide information about the usage, options, arguments, examples, and other details of the cp command. The other commands are either invalid or unrelated to cp.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-help.html
NEW QUESTION # 29
Which commands can be used to terminate processes? (Choose two)
- A. ps-k
- B. kilLall
- C. Kill
- D. psterm
- E. terminate
Answer: A,D
NEW QUESTION # 30
What should you do if you want to define alias commands so that each time you open a terminal window those aliases are available from the command prompt?
- A. Create a file named -/.alias and put your alias commands in That file.
- B. This cannot be done since aliases are session specific only.
- C. Modify the /etc/.history/USER_NAME file to include your alias commands.
- D. List all your aliases you have defined by entering the alias --list command and piping the output to the
-Abashrc file. - E. When you create the alias initially, specify the --keep parameter.
Answer: A
Explanation:
Explanation
If you want to define alias commands so that each time you open a terminal window those aliases are available from the command prompt, you should create a file named -/.alias and put your alias commands in that file.
The -/.alias file is one of the files that are sourced by the bash shell when it starts. It can contain alias definitions and other customizations for your shellenvironment.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-bash.html#sec-bash-startup
NEW QUESTION # 31
Which UID does the root user have?
- A. 001
- B. 0
- C. The root user does not have an ID assigned
- D. 1
- E. 2
Answer: B
NEW QUESTION # 32
Which UID does the root user have?
- A. 001
- B. 0
- C. The root user does not have an ID assigned
- D. 1
- E. 2
Answer: B
NEW QUESTION # 33
What starts the Linux Kernel during the boot process?
- A. systemd
- B. BIOS or UEFI depending on the hardware architecture
- C. The Boot Loader
- D. The udev process
- E. initd
Answer: C
NEW QUESTION # 34
Which command would you run to create an updated initial file system, if your server hardware requires additional drivers to be available for the Kernel at boot up?
- A. mkinitrd
- B. newinitfs
- C. modinitd
- D. updinitrd
- E. makeinitfs
Answer: A
Explanation:
Explanation
The command that you would run to create an updated initial file system, if your server hardware requires additional drivers to be available for the kernel at boot up, is mkinitrd. This command will create or update the initrd file in /boot based on the current kernel and configuration files. The initrd file is an initial ramdisk image that contains the necessary drivers and tools to mount the root file system and start the boot process.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-boot-initrd.html
NEW QUESTION # 35
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SUSE SCA_SLES15 (SUSE Certified Administrator in Enterprise Linux 15 (050-754)) exam is designed to test the skills and knowledge of IT professionals who work with SUSE Linux Enterprise Server (SLES) 15. SLES is a popular enterprise-level Linux distribution developed by SUSE, and is widely used in corporate environments. The SCA_SLES15 certification program is designed to certify professionals who have the knowledge and skills to administer SLES 15 in an enterprise environment.
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