SCA_SLES15 Dumps 2023 - New SUSE SCA_SLES15 Exam Questions
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SUSE SCA_SLES15 certification is a highly respected certification in the IT industry. It is an excellent certification for IT professionals who want to demonstrate their expertise in SUSE Linux Enterprise Server 15. SUSE Certified Administrator in Enterprise Linux 15 (050-754) certification exam is designed to test the skills and knowledge of IT professionals in managing and maintaining SUSE Linux Enterprise Server 15. SUSE Certified Administrator in Enterprise Linux 15 (050-754) certification is ideal for system administrators, network administrators, and IT professionals who want to advance their careers in the IT industry.
NEW QUESTION # 33
By default, what does the VNC Client and the VNC server daemon use for secure communications?
- A. VNC is based on the Telnet protocol so encrypted communication between the VNC Client and Server is not possible.
- B. A self-signed SSL certificate
- C. The VNC server prompts the VNC Client for a password that was configured when the VNC server was installed.
- D. Both the VNC Client and the VNC server assume you have access to a valid 3rd party CA like Verisign.
- E. On SLE 15 the VNC Client assumes the server is set up as a CA.
Answer: D
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. updinitrd
- B. modinitd
- C. mkinitrd
- D. newinitfs
- E. makeinitfs
Answer: C
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
Which process ID is assigned to systemd?
- A. 0
- B. it is the only process with no system ID.
- C. 1
- D. 2
Answer: A
Explanation:
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.
https://documentation.suse.com/sles/15-GA/html/SLES-all/cha-systemd.html Systemd is the first process that is started by the kernel during boot. It has the process ID of 1. It is responsible for initializing and managing other processes and services on the system.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-systemd-basics.html#sec-systemd-in
NEW QUESTION # 36
Which directory contains the initrd file?
- A. /boot
- B. /boot/grub2
- C. /loader
- D. /startup
- E. /startup/grub2
- F. /loader/grub
Answer: A
Explanation:
Explanation
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. It is usually located in the /boot directory along with the kernel image (vmlinuz). References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-boot-initrd.html
NEW QUESTION # 37
What does the (x) permission on a directory mean?
- A. The export permission on a directory means that directory can be mounted by a remote server.
- B. Nothing - the execute permission cannot be assigned to a directory.
- 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.
Answer: A
NEW QUESTION # 38
Which file contains information about secondary groups on the system?
- A. etc/sysconflg/group
- B. /etc/second.grp
- C. /var/share/group
- D. /var/lib/group
- E. /etc/group
Answer: B
NEW QUESTION # 39
If you have a service named tftp, which command and options would enable tftp to start automatically when the server starts?
- A. systemd start tftp
- B. systemctl start tftp
- C. systemctl enable tftp
- D. chkconfig add tftp
- E. systemctl enable-start tftp
Answer: C
Explanation:
Explanation
If you have a service named tftp, the command and options that would enable tftp to start automatically when the server starts are systemctl enable tftp. This command will create symbolic links in the appropriate systemd target directories to enable the tftp service unit. To start the service immediately, you can also use systemctl start tftp or systemctl enable --now tftp.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-systemd-services.html#sec-systemd-
NEW QUESTION # 40
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 command displays a message that file1.txt is a normal file and displays the size of the file.
- C. This will delete the existing file1.txt file and create a new zero byte file using the same name.
- D. This changes the access and modification times of the existing file1.txt file.
- E. This command displays a message that file1.txt is a normal file.
- F. This causes any additional data to be appended to the existing file1.txt file.
Answer: D
Explanation:
Explanation
If the file1.txt file already exists in your home directory, the touch -7file1.txt command will change the access and modification times of the existing file1.txt file. The touch command can be used to create new empty files or update the timestamps of existing files. The -7 option specifies that only one timestamp should be changed instead of both. References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-cli-touch.html
NEW QUESTION # 41
Which statements are true regarding a daemon? (Choose three)
- A. A daemon process is associated to the user that launched the process.
- B. A daemon process is associated to the system terminal.
- C. A daemon process is not associated with a terminal or a graphical environment.
- D. A daemon will wait for some event to occur to trigger action on the part of the daemon.
- E. The user that launched the daemon will control what the daemon does based on the user's input.
- F. A daemon process is launched by the system.
Answer: C,D,F
Explanation:
Explanation
The statements that are true regarding a daemon are:
A daemon will wait for some event to occur to trigger action on the part of the daemon.
A daemon process is launched by the system.
A daemon process is not associated with a terminal or a graphical environment.
A daemon is a background process that performs a specific service or task without user interaction. It usually starts at system boot and runs until the system shuts down. It does not have a controlling terminal or a graphical interface, and it often runs as root or a dedicated user. A daemon responds to events such as network requests, signals, timers, etc. References:
https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-daemons.html
NEW QUESTION # 42
Which statement is true regarding VFS?
- A. VFS is a set of ANs designed for BtrFS to provide portability.
- B. VFS is a translation layer to allow applications to run on mobile platforms.
- C. VFS is a translation layer to allow applications written for ext2 and ReiserFS to run on ext4 file systems.
- D. VFS is a high-performance journaling file system format used by default by YaST and parted.
- E. VFS is an abstraction layer in the kernel that provides the same interface to applications and the user, regardless of which file system format is used.
Answer: E
Explanation:
Explanation
The statement that is true regarding VFS is that VFS is an abstraction layer in the kernel that provides the same interface to applications and users regardless of which file system format is used. VFS stands for Virtual File System or Virtual File System Switch. It allows different types of file systems (such as ext4, xfs, nfs, etc.) to be accessed through a common set of system calls and functions. VFS also provides caching and buffering mechanisms to improveperformance and reliability. References:
https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-vfs.html
NEW QUESTION # 43
Which commands and options will display the routing table? (Choose two)
- A. cat /etc/sysconfig/routes
- B. ip route show
- C. showroute -a
- D. ipconfig -rd
- E. ip r s
Answer: A,B
Explanation:
Explanation
https://www.suse.com/support/kb/doc/?id=000016843
NEW QUESTION # 44
Which option for zypper will list the available patches?
- A. zypper list-patch
- B. zypper showpatch
- C. zypper patch
- D. zypper lu
- E. zypper Ip
Answer: C
Explanation:
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/
NEW QUESTION # 45
What is required to access updates for SLE?
- A. Account Registration
- B. Nothing
- C. An account with SUSE Customer Center and a SLE Product Key
- D. An account with SUSE Customer Center
- E. Software Subscription
Answer: E
NEW QUESTION # 46
Which bash commands result in a valid arithmetic expansion? (Choose three)
- A. ((TOTAL++))
- B. TOTAL=$[8.4/2.1]
- C. TOTAL=$((5.3+2.2))
- D. TOTAL=$((5+2))
- E. TOTAL=$[8/2]
- F. TOTAL=$[2.1*4]
Answer: C,D
NEW QUESTION # 47
You want ensure an ext3 filesystem is checked every 50 times it is mounted. Which command would you use?
- A. tune2fs
- B. fdisk -o
- C. mkfs
- D. dumpe2fs
Answer: C
NEW QUESTION # 48
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