Authentic SUSE SCA_SLES15 Exam Dumps PDF - Sep-2023 Updated
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The SCA_SLES15 exam is intended for IT professionals with experience in Linux administration who wish to demonstrate their proficiency in managing SUSE Linux Enterprise Server 15. Candidates who pass the exam are recognized as SUSE Certified Administrators and are equipped with the skills and knowledge required to manage SUSE Linux Enterprise Server 15 in a corporate environment. SUSE Certified Administrator in Enterprise Linux 15 (050-754) certification is valuable for professionals who work with Linux servers in various industries, including finance, healthcare, and education.
NEW QUESTION # 15
Which statements about log file rotation are true? (Choose two)
- A. 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.
- B. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/logrotate.conf.
- C. The /usr/sbin/logrotate program is used to create and configure settings in the /etc/logrotate.conf file.
- D. Configuration files in the /etc/logrotate.d/ directory can override settings in /etc/cron.daily/logrotate.
- E. 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.
Answer: A,B
Explanation:
Explanation
Log file rotation is the process of compressing or deleting old log files to save disk space and improve performance. The /etc/logrotate.conf file controls the global settings for log file rotation, such as frequency, size limit, compression method, etc. The /etc/logrotate.d/ directory contains configuration files for specific log files that can override the global settings in /etc/logrotate.conf. The /usr/sbin/logrotate program is used to perform log file rotation according to the configuration files. It is usually invoked by a cron job in
/etc/cron.daily/logrotate.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-logrotate.html
NEW QUESTION # 16
Which file lists each user's home directory and login shell?
- A. /var/userenv
- B. /etc/password
- C. /etc/passwd
- D. /var/sysconf/userenv
- E. /etc/sysconfig/homedir
- F. /var/9hare/userenv
Answer: C
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 # 17
Which of the following configuration files have a format that is compatible with the system logging facility in SUSE Linux Enterprise? (Choose two)
- A. /etc/syslog.conf
- B. /var/log/syslog-ng.conf
- C. /etc/rsyslog.conf
- D. /etc/syslog-ng
- E. /ar/log/kernel-log
Answer: A,C
Explanation:
Explanation
The configuration files that have a format that is compatible with the system logging facility in SUSE Linux Enterprise are /etc/syslog.conf and /etc/rsyslog.conf. These files contain rules that specify how to filter and process log messages from different sources and destinations. The /etc/syslog.conf file is used by the traditional syslogd daemon, while the /etc/rsyslog.conf file is used by the more advanced rsyslogd daemon.
SUSE Linux Enterprise uses rsyslogd by default, but it can also read /etc/syslog.conf for backward compatibility.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-syslog.html#sec-syslog-config
NEW QUESTION # 18
What is the first file executed by a bash login shell?
- A. /etc/profile
- B. /etc/profi le.alias
- C. /etc/bash
- D. -/profile
- E. -/.alias
Answer: A
Explanation:
Explanation
https://www.gnu.org/software/bash/manual/html_node/Bash-Startup-Files.html When Bash is invoked as an interactive login shell, or as a non-interactive shell with the --login option, it first reads and executes commands from the file /etc/profile, if that file exists. After reading that file, it looks for ~/.bash_profile, ~/.bash_login, and ~/.profile, in that order, and reads and executes commands from the first one that exists and is readable. The --noprofile option may be used when the shell is started to inhibit this behavior.
The first file executed by a bash login shell is /etc/profile. This file sets global environment variables and aliases for all users. It may also source other files in /etc/profile.d/ directory.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-bash.html#sec-bash-startup
NEW QUESTION # 19
Which commands could you use to determine the proper syntax for the cp command? (Choose three)
- A. mancp cp
- B. info cp
- C. help cp
- D. display cp
- E. cp--help
- F. doc -cp
- G. info --cp help
Answer: E,G
NEW QUESTION # 20
Which process ID is assigned to systemd?
- A. 0
- B. 1
- C. it is the only process with no system ID.
- D. 2
Answer: D
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
NEW QUESTION # 21
Which Network Interface type supported by SLES is used for link aggregation?
- A. Bridge
- B. VPN
- C. Bond
- D. Custom
- E. Basic
Answer: C
NEW QUESTION # 22
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. When you create the alias initially, specify the --keep parameter.
- 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. Create a file named -/.alias and put your alias commands in That file.
- E. List all your aliases you have defined by entering the alias --list command and piping the output to the
-Abashrc file.
Answer: D
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 # 23
Which system initialization system is used in SLES 15?
- A. init
- B. systemd
- C. UEFI
- D. undev
- E. System V
Answer: B
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 # 24
Which directory is traditionally used as a catch all to mount local and/or remote file systems?
- A. /etc
- B. /home
- C. /mnt
- D. /var
- E. /tmP
Answer: A
NEW QUESTION # 25
Which option for zypper will list the available patches?
- A. zypper lu
- B. zypper showpatch
- C. zypper list-patch
- D. zypper Ip
- E. zypper patch
Answer: E
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 # 26
Which process ID is assigned to systemd?
- A. 0
- B. 1
- C. it is the only process with no system ID.
- D. 2
Answer: D
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 # 27
Which Vim command will save the current file without exiting?
- A. wq!
- B. q!
- C. w
- D. w-no-exit
- E. w!
Answer: C
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/
NEW QUESTION # 28
firewalld maintains two separate configurations. What are they named? (Choose two)
- A. Temporary
- B. Production
- C. Static
- D. Testing
- E. Fixed
- F. Permanent
- G. Runtime
Answer: F,G
Explanation:
Explanation
Firewalld uses two separated configuration sets, runtime, and permanent configuration.
The runtime configuration is the actual running configuration and it is not persistent on reboots. When the firewalld service starts it loads the permanent configuration which becomes the runtime configuration.
https://www.supportsages.com/everything-you-need-to-know-about-firewalld/#:~:text=Firewalld%20uses%20tw Firewalld maintains two separate configurations: runtime and permanent. The runtime configuration is the current state of the firewall that is applied to the system. It can be changed by various commands and tools without affecting the permanent configuration. The permanent configuration is the persistent state of the firewall that is stored in configuration files. It can be changed by various commands and tools with the
--permanent option. The permanent configuration will take effect after reloading firewalld or rebooting the system.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-firewall-firewalld.html#sec-firewall-
NEW QUESTION # 29
What does the following command allow you to do? alias endear"
- A. You can type clear to run the c command.
- B. You can type c to run the clear command.
- C. Nothing, since there is not a command named alias.
- D. It allows you to rename the clear command to just c and then deletes the clear command.
- E. It launches a second Login Shell and allows you to rename the clear command to just c.
Answer: B
Explanation:
Explanation
The command that allows you to create an alias command is alias. The alias command can be used to define a short name or abbreviation for another command or sequence of commands. The syntax of the alias command is alias name='command'. For example, alias c='clear' will create an alias named c for the clear command.
You can then type c to run the clear command. To remove an alias, you can use unalias name.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/cha-bash.html#sec-bash-alias
NEW QUESTION # 30
After the Kernel has been loaded during the boot process, which component will handle hardware detection?
- A. initramfs
- B. udev
- C. devmgr
- D. hal
- E. devfsd
Answer: B
Explanation:
Explanation
After the kernel has been loaded during the boot process, udev will handle hardware detection. Udev is a device manager that creates device nodes and symlinks in /dev based on rules and events. It also loads kernel modules and applies persistent device names and permissions.
References:https://documentation.suse.com/sles/15-SP3/html/SLES-all/sec-boot-initrd.html#sec-boot-initrd-udev
NEW QUESTION # 31
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