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Oracle Linux 8 Advanced System Administration actual exam questions & 1z1-106 valid study dumps & Oracle Linux 8 Advanced System Administration test practice torrent

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Oracle Linux 8 Advanced System Administration Sample Questions (Q38-Q43):

NEW QUESTION # 38
Which two directories store PAM authentication modules?

A. /var/lib
B. /lib64/security
C. /usr/lib
D. /lib/security
E. /etc/pam.d

Answer: B,D

Explanation:
* Option A (Correct):/lib64/securityis a common directory where PAM (Pluggable Authentication Module) libraries are stored for 64-bit systems.
* Option D (Correct):/lib/securityis another directory where PAM libraries are stored, usually on 32-bit systems or as a fallback for 64-bit systems.
* Option B (Incorrect):/etc/pam.dcontains configuration files for PAM modules but does not store the modules themselves.
* Option C (Incorrect):/usr/libis a general directory for libraries but does not specifically store PAM modules.
* Option E (Incorrect):/var/libis typically used for variable state information and is not relevant for storing PAM modules.
Oracle Linux Reference:Refer to:
* OracleLinux 8: Managing Authentication

NEW QUESTION # 39
Which three statements are true about DNF modules?

A. Packages exist in multiple streams, where each stream contains a different version.
B. Streams are used to define optional configurations of modules.
C. Modules are a group of packages that are installed together along with dependencies.
D. Profiles are used to provide alternate versions of the same module.
E. Switching an enabled module stream automatically changes installed packages.
F. Installing a module allows a user to select a specific stream.
G. Streams cannot declare dependencies on the streams of other modules.

Answer: A,C,F

Explanation:
Understanding DNF Modules:
DNF modules in Oracle Linux 8 provide a way to offer different versions of software (packages) to users, allowing them to choose the version that best suits their needs. Modules help in managing multiple versions of software by grouping packages, defining streams, and using profiles for configurations.
Option A: Modules are a group of packages that are installed together along with dependencies.
* Explanation:
* Modulesare collections of packages that are grouped together to represent an application, language runtime, or any logical set.
* When you install a module, you are installing a set of packages along with their dependencies.
* This grouping ensures that all necessary components are installed for the software to function correctly.
* Oracle Linux Reference:
* OracleLinux 8: Managing Software-About Modules:
"A module is a group of packages that represents a component, such as an application, a language runtime, or a set of tools." Option B: Installing a module allows a user to select a specific stream.
* Explanation:
* Streamsin a module represent different versions of the software.
* When installing a module, you can select a specific stream to install the desired version.
* This allows users to choose between multiple versions of the same software provided within the module.
* Oracle Linux Reference:
* OracleLinux 8: Managing Software-About Module Streams:
"Each module can have one or more streams, which represent versions of the module content."
* Example Command:
# dnf module list nodejs
* This command lists available streams for the nodejs module.
Option F: Packages exist in multiple streams, where each stream contains a different version.
* Explanation:
* Within a module, each stream can contain different versions of the packages.
* This means the same package can exist in multiple streams but with different versions in each stream.
* This setup allows users to install the version of the software that meets their requirements.
* Oracle Linux Reference:
* OracleLinux 8: Managing Software-About Module Streams:
"Different streams can contain different versions of the software, allowing you to select the version that best suits your needs." Why Other Options Are Incorrect:
Option C: Profiles are used to provide alternate versions of the same module.
* Explanation:
* Profilesdefine sets of packages within a module stream for specific use cases or configurations, not alternate versions.
* Streams provide alternate versions, whereas profiles provide different package sets within a stream.
* Oracle Linux Reference:
* OracleLinux 8: Managing Software-About Module Profiles:
"A profile is a list of packages that defines a particular use case for a module stream." Option D: Streams are used to define optional configurations of modules.
* Explanation:
* Streams define different versions of software, not optional configurations.
* Optional configurations are managed through profiles within a stream.
* Oracle Linux Reference:
* Profiles handle configurations, while streams handle versions.
Option E: Streams cannot declare dependencies on the streams of other modules.
* Explanation:
* Streams can declare dependencies on specific streams of other modules.
* This allows modules to work together with compatible versions.
* Oracle Linux Reference:
* OracleLinux 8: Managing Software-Module Dependencies:
"Modules can declare dependencies on specific streams of other modules." Option G: Switching an enabled module stream automatically changes installed packages.
* Explanation:
* Switching streams does not automatically change installed packages.
* You must reset the module and install the new stream's packages manually.
* Oracle Linux Reference:
* OracleLinux 8: Managing Software-Switching Module Streams:
"To switch to a different module stream, you must reset the module and then install the packages from the new stream." Conclusion:
* Correct Options:A, B, F
* Summary:Modules group packages with dependencies, installing a module allows selecting a specific stream (version), and packages can exist in multiple streams with different versions.

NEW QUESTION # 40
Which is true about the /etc/sysconfig directory in an Oracle Linux 8 system?

A. It is used to access device and device driver information.
B. Files in this directory hierarchy contain information about system hardware.
C. Files in this directory hierarchy contain information about running processes.
D. Its contents depend on the packages installed on the system.

Answer: D

NEW QUESTION # 41
Which two statements are true about control groups (cgroups) in Oracle Linux 8?

A. Cgroups allow processes to be organized into hierarchical groups whose resource usage cannot be limited and monitored.
B. Different controllers from cgroups version 1 and cgroups version 2 cannot be used at the same time.
C. Oracle Linux 8 implements cgroups v2 by default.
D. A cgroup is a collection of processes bound to a set of limits or parameters defined in the cgroups filesystem.
E. The cgroups filesystem allows limits to be overwritten in the lower levels of the hierarchy.

Answer: C,D

Explanation:
Explanation of Answer A:Oracle Linux 8 uses cgroups version 2 (cgroups v2) by default. cgroups v2 is a unified hierarchy system that introduces improvements over version 1, including a simplified interface and better resource management capabilities.
Explanation of Answer B:A control group (cgroup) is a mechanism for grouping processes and setting limits or parameters on their resource usage, such as CPU, memory, or I/O. These limits and parameters are configured and managed through the cgroups filesystem.

NEW QUESTION # 42
Which two statements are true about the configuration and use of cron or anacron?

A. cron jobs may run only once a minute.
B. All crontabs are held in the /etc/cron.d directory.
C. anacron jobs may run only once a day.
D. anacron jobs are used to run cron jobs if the system was powered off when they were scheduled to run.
E. The crond daemon looks for jobs only in /etc/crontab.

Answer: C,D

NEW QUESTION # 43
......

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