SCA_SLES15 Premium PDF & Test Engine Files with 72 Questions & Answers
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SUSE Certified Administrator in Enterprise Linux 15 (SCA_SLES15) exam is a certification that validates the skills and knowledge of professionals working with SUSE Linux Enterprise Server 15. SCA_SLES15 exam is designed to test the candidate's proficiency in various areas such as system administration, networking, storage, security, and virtualization. The SCA_SLES15 certification is ideal for professionals who want to demonstrate their expertise in managing and maintaining SUSE Linux Enterprise Server 15 environments.
NEW QUESTION # 11
Which directory contains the initrd file?
- A. /boot
- B. /loader
- C. /loader/grub
- D. /boot/grub2
- E. /startup
- F. /startup/grub2
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 # 12
Which bash commands result in a valid arithmetic expansion? (Choose three)
- A. TOTAL=$[8.4/2.1]
- B. TOTAL=$((5.3+2.2))
- C. TOTAL=$[8/2]
- D. TOTAL=$((5+2))
- E. ((TOTAL++))
- F. TOTAL=$[2.1*4]
Answer: B,D
NEW QUESTION # 13
Which file contains information about secondary groups on the system?
- A. etc/sysconflg/group
- B. /var/share/group
- C. /etc/group
- D. /var/lib/group
- E. /etc/second.grp
Answer: C
NEW QUESTION # 14
Which command is used to view the manual pages?
- A. info
- B. show
- C. doc -man
- D. help -man
- E. man
Answer: E
Explanation:
Explanation
You can view manual pages by running the man command followed by a specific command name. If the man command is not installed on your system, install it by runningzypper install man.
https://documentation.suse.com/sles/15-GA/html/SLES-all/pre-sle.html
NEW QUESTION # 15
Which Network Interface type supported by SLES is used for link aggregation?
- A. VPN
- B. Bridge
- C. Bond
- D. Custom
- E. Basic
Answer: C
NEW QUESTION # 16
Which statements about using the -U option and the -F option when running the rpm command are true?
(Choose two)
- A. The -U option remove all binaries, scripts, links, and documentation files associated with the RPM in the RPM Database.
- B. The -U option will remove all the binaries in the package from the file system and update the RPM Database.
- C. The -F option will install a package only if a previous version of the package is already installed.
- D. The -U option will install a package whether or not a previous version of the package is already installed.
- E. The -F option will verify (fix) a broken application based on the information in the RPM Database.
- F. The -F option will install a package whether or not a previous version of the package is already installed.
Answer: C,D
Explanation:
Explanation
The -U option will install a package whether or not a previous version of the package is already installed. If a previous version exists, it will be upgraded. The -F option will install a package only if a previous version of the package is already installed. It will not install a new package.References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-sw-cl.html#sec-rpm-comma
NEW QUESTION # 17
What command would be used to add new physical volumes to an existing volume group?
- A. pvadd
- B. pvextend
- C. vSadd
- D. pvmodify
- E. vgextend
- F. vgmodify
Answer: E
Explanation:
Explanation
To add additional physical volumes to an existing volume group, use the vgextend command. The vgextend command increases a volume group's capacity by adding one or more free physical volumes.
https://access.redhat.com/documentation/en-us/red_hat_enterprise_linux/4/html/cluster_logical_volume_manage The command that is used to add new physical volumes to an existing volume group is vgextend. This command will extend a volume group by adding one or more physical volumes to it. The physical volumes must be initialized with pvcreate before they can be added to a volume group.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-lvm-vgs.html#sec-lvm-vgs-add-pv
NEW QUESTION # 18
Which commands could you use to determine the proper syntax for the cp command? (Choose three)
- A. help cp
- B. doc -cp
- C. cp--help
- D. display cp
- E. mancp cp
- F. info --cp help
- G. info cp
Answer: C,E,G
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 # 19
Which statements about log file rotation are true? (Choose two)
- A. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/logrotate.conf.
- B. The /etc/cron.daily/logrotate file controls which log files will be compressed or deleted based on some regular interval or when the log file reaches a particular size.
- C. The /etc/logrotate.conf file controls which log files will be compressed or deleted based on some regular interval or when the log file reaches a particular size.
- D. The /usr/sbin/logrotate program is used to create and configure settings in the /etc/logrotate.conf file.
- E. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/cron.daily/logrotate.
Answer: C,E
NEW QUESTION # 20
Which file contains the list of DNS services SLES will contact?
- A. /etc/sysconfig/resolv.conf
- B. /etc/sysconfig/nameservers
- C. /etc/hosts
- D. /etc/resolv.conf
- E. /etc/hostname
Answer: D
NEW QUESTION # 21
What types of VNC sessions does SUSE Linux Enterprise Server support? (Choose two)
- A. One-time Sessions
- B. Timed Sessions
- C. Server-initiated Sessions
- D. Automatic Sessions
- E. Persistent Sessions
Answer: A,E
Explanation:
Explanation
SUSE Linux Enterprise Server supports two different kinds of VNC sessions: One-time sessions that "live" as long as the VNC connection from the client is kept up, and persistent sessions that "live" until they are explicitly terminated.
5.1 One-time VNC Sessions
5.2 Persistent VNC Sessions
https://documentation.suse.com/sles/11-SP4/html/SLES-all/cha-vnc.html#:~:text=SUSE%20Linux%20Enterpris
NEW QUESTION # 22
Which filesystem is the recommended filesystem for data volumes?
- A. XFS
- B. Ext3
- C. nfs
- D. Btrfs
- E. Ext4
Answer: D
Explanation:
https://documentation.suse.com/de-de/sles/15-GA/html/SLES-all/cha-filesystems.html
NEW QUESTION # 23
What does the file /etc/hosts provide?
- A. List of domains to search
- B. The hostname of this system
- C. A list of DNS servers to use
- D. List of routes to take to remote hosts
- E. Local name resolution
Answer: E
Explanation:
https://documentation.suse.com/ko-kr/sles/15-SP1/html/SLES-all/cha-network.html
NEW QUESTION # 24
Which file lists each user's home directory and login shell?
- A. /etc/passwd
- B. /var/9hare/userenv
- C. /etc/sysconfig/homedir
- D. /var/sysconf/userenv
- E. /var/userenv
- F. /etc/password
Answer: A
Explanation:
Explanation
The file that lists each user's home directory and login shell is /etc/passwd. This file contains information about each user account on the system, such as user name, password (or an x if using shadow passwords), UID, GID, full name or comment field, home directory path, login shell path, etc. Each line in this file corresponds to one user account and has seven fields separated by colons.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-user-group.html#sec-user-group-files
NEW QUESTION # 25
Which directory is traditionally used as a catch all to mount local and/or remote file systems?
- A. /etc
- B. /mnt
- C. /tmP
- D. /home
- E. /var
Answer: B
Explanation:
Explanation
The /mnt directory is traditionally used as a catch all to mount local and/or remote file systems. It is a generic mount point for temporary mounts by the system administrator. It may contain subdirectories for different types of file systems or devices, such as /mnt/cdrom, /mnt/usb, /mnt/nfs, etc.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-storage-mounting.html#sec-storage-m
NEW QUESTION # 26
Which file should be edited to make sure a file system is mounted each time a system boots?
- A. /etc/sysconfig/storage/fstab
- B. /mnt/fstab
- C. /etc/sysconfig/fstab
- D. /etc/fstab
- E. /var/Ub/fstab
Answer: D
Explanation:
Explanation
The /etc/fstab file contains information about file systems that need to be mounted at boot time or on demand.
It specifies the device name, mount point, file system type, mount options, dump frequency, and fsck order for each file system.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-storage-mounting.html#sec-storage-m
NEW QUESTION # 27
What is the default port a VNC Client uses to connect?
- A. TCP 5801
- B. DP 5901
- C. TCP 5901
- D. DP 5801
Answer: C
Explanation:
Explanation
https://en.wikipedia.org/wiki/Virtual_Network_Computing#:~:text=VNC%20by%20default%20uses%20TCP,Ja VNC by default uses TCP port 5900+N,[6][7] where N is the display number (usually :0 for a physical display). Several implementations also start a basic HTTP server on port 5800+N to provide a VNC viewer as a Java applet, allowing easy connection through any Java-enabled web-browser. Differentport assignments can be used as long as both client and server are configured accordingly. A HTML5 VNC client implementation for modern browsers (no plugins required) exists too.[8] The default port a VNC Client uses to connect is TCP 5901. This port corresponds to the first display number (:1) of the VNC server. Each display number has its own port number, starting from 5900. For example, display :2 uses port 5902, display :3 uses port 5903, and so on. The user can specify a different port number if needed. References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-vnc-connect.html
NEW QUESTION # 28
Which process ID is assigned to systemd?
- A. 0
- B. it is the only process with no system ID.
- C. 1
- D. 2
Answer: C
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
NEW QUESTION # 29
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SUSE Certified Administrator in Enterprise Linux 15 (050-754) exam is a rigorous test of an IT professional's skills and knowledge. To prepare for the exam, candidates can take advantage of a range of resources offered by SUSE, including training courses, study guides, and practice exams. In addition, candidates can gain hands-on experience with SUSE Linux Enterprise Server 15 by setting up a virtual lab environment.
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