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1z0-1093-25 Pruefungssimulationen & 1z0-1093-25 Testking

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Oracle 1z0-1093-25 Prüfungsplan:

Thema
Einzelheiten

Thema 1

NoSQL Database Service Technical Overview: This section of the exam measures the skills of a NoSQL Developer and explores Oracle’s NoSQL Database Service. It includes understanding the basics of NoSQL architecture, handling table-level security, rate limiting, and data modeling. It also covers concepts like provisioned throughput and the usage of language SDKs for interacting with NoSQL services on Oracle Cloud.

Thema 2

Base Database Service - VM (BaseDB): This section of the exam measures the skills of a Cloud Database Administrator and covers the foundational elements of Oracle’s Base Database Service. It includes understanding what the BaseDB service is, how to provision and manage it, and lifecycle operations such as backups, recovery, patching, and upgrades. It also tests familiarity with monitoring and management interfaces used to control and observe the BaseDB environment.

Thema 3

Exadata Database Service (ExaDB): This section of the exam measures the skills of a Database Infrastructure Engineer and focuses on the advanced Exadata Database Service. It includes the provisioning of Exadata systems, management of Exadata Cloud Infrastructure, and VM Cluster administration. It also evaluates knowledge of lifecycle management tasks and how to interact with various Exadata management utilities and interfaces.

Thema 4

Oracle Cloud Infrastructure Database Management Service: This section of the exam measures the skills of a Cloud Operations Analyst and provides insight into Oracle’s Database Management Service on OCI. It focuses on enabling the service for databases, monitoring their performance, and performing diagnostic and tuning activities. It also covers tasks related to the administration of databases running on Oracle Cloud Infrastructure.

Thema 5

MySQL HeatWave Technical Overview: This section of the exam measures the skills of a MySQL Cloud Specialist and introduces MySQL HeatWave, Oracle’s high-performance analytics engine for MySQL. It includes provisioning, migrating existing MySQL databases to HeatWave, and working with its analytical and machine-learning capabilities. It also covers day-to-day operational activities within the MySQL HeatWave environment.

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Oracle Cloud Database Services 2025 Professional 1z0-1093-25 Prüfungsfragen mit Lösungen (Q52-Q57):

52. Frage
Which of the following statements accurately describes the recommended procedure for patching Grid Infrastructure in a BaseDB VM system where the database is NOT managed by Oracle Cloud Infrastructure (OCI)?

A. Apply the database patch first, then apply the Grid Infrastructure patch to ensure compatibility.
B. You cannot manually patch Grid Infrastructure in a BaseDB VM system; Oracle Cloud Infrastructure manages all patching operations.
C. Apply the Grid Infrastructure patch directly to the DB system. OCI handles the patching order for all components automatically.
D. Apply the Grid Infrastructure patch first, then apply the database patch, after validating the GI is working correctly.

Antwort: D

Begründung:
Recommended Patching Order:
In Oracle environments, it is crucial to patchGrid Infrastructure (GI) firstbecause GI components are responsible formanaging cluster resources and storage. Applying GI patches before database patches ensures that the underlying infrastructure is compatible and stable.
* After the GI patching,validatethe environment to ensure all components are functioningcorrectly before proceeding with database software updates.
* This order minimizes the risk ofdowntime or compatibility issues.
Why the other options are incorrect:
* A:OCI does not automatically handle manual patching in non-managed DB systems.
* B:Applying the database patch first may result in compatibility problems.
* D:Users can manually patch Grid Infrastructure in BaseDB VMs.

53. Frage
Which statement best describes the principle of least privilege as it applies to table security management in Oracle NoSQL Database Cloud Service?

A. Granting users only the minimum set of permissions required to perform their assigned tasks on specific tables.
B. Regularly backing up all tables and storing the backups in a publicly accessible location.
C. Encrypting all tables with the highest level of encryption, regardless of the sensitivity of the data.
D. Granting all users full administrative access to all tables to simplify management.

Antwort: A

Begründung:
Principle of Least Privilege:
The principle of least privilege states that users should only be granted the minimum permissions necessary to perform their tasks. This reduces the risk of accidental or malicious actions that could compromise data integrity or security.
In the context ofOracle NoSQL Database Cloud Service, implementing this principle involves configuring Identity and Access Management (IAM) policiesto precisely define which users or groups can perform specific actions (such as read, write, delete) on particular tables. By limiting access, the system minimizes potential attack vectors and the impact of compromised accounts.
Why the other options are incorrect:
* A:Granting full administrative access violates the least privilege principle and increases security risks.
* C:Encryption is important, but it addresses data confidentiality, not access control.
* D:Backing up data is good practice, but storing backups in a publicly accessible location is insecure.

54. Frage
Which two options correctly describe methods for accessing and managing the Exadata Infrastructure?

A. Exadata Infrastructure management is solely managed by Oracle and is not directly accessible to customers.
B. Direct SSH access to the Exadata Infrastructure compute nodes is permitted for customers with root privileges.
C. Customers have direct access to the Exadata storage cells, allowing them to modify storage configurations.
D. The dbcli utility, used for database administration on VM DB Systems, can also be used to manage the Exadata Infrastructure.
E. Management of the Exadata Infrastructure is primarily performed through the Oracle Cloud Infrastructure (OCI) console and APIs.

Antwort: A,E

Begründung:
Managing Exadata Infrastructure:
* OCI Console and APIs (B):The primary method for managing Exadata Infrastructure is through the Oracle Cloud Infrastructure Consoleand associated APIs. This includes provisioning, scaling, patching, and monitoring the Exadata environment.
* Oracle-Managed Infrastructure (E):Exadata Infrastructure management is fully handled by Oracle, which means customers do not have direct access to the underlying hardware. This managed approach ensureshigh availability and security.
Why the other options are incorrect:
* A:Customers do not have root access to Exadata compute nodes to ensure security and system integrity.
* C:Thedbcli utilityis designed for VM DB Systems, not Exadata Infrastructure management.
* D:Exadata storage cells are managed by Oracle, and customers cannot directly modify storage configurations.

55. Frage
Which two functionalities can be accomplished using the Performance Hub within Database Management for monitoring?

A. Execute ADDM (Automatic Database Diagnostic Monitor) analysis on a historical workload.
B. Upgrade the database to a newer version.
C. Identify blocking sessions that are impacting database performance.
D. Directly modify database initialization parameters.

Antwort: A,C

Begründung:
A: Execute ADDM (Automatic Database Diagnostic Monitor) analysis on a historical workload:
* Performance Hub allows users to analyze performance data collected over time.
* ADDM analysis provides insights into performance bottlenecks and recommendations for tuning.
C: Identify blocking sessions that are impacting database performance:
* Performance Hub helps identify active blocking sessions, enabling quick resolution of performance issues.
* It provides real-time and historical data for better troubleshooting.
Why the other options are incorrect:
* B. Modify database parameters:Performance Hub does not have the ability to change database configurations directly.
* D. Upgrade the database:Upgrades are managed through other tools, such as Database Upgrade Assistant (DBUA).

56. Frage
Which statement accurately describes the primary function of a NoSQL Database Cloud Service SDK?

A. To provide a programming interface for interacting with the database, abstracting away low-level API details.
B. To manage the underlying infrastructure hosting the NoSQL database.
C. To configure network security policies for accessing the database.
D. To define the physical storage layout of the database.

Antwort: A

Begründung:
SDK Function:
An SDK simplifies database interaction by providing libraries and tools that abstract away the complexities of the underlying API. This allows developers to use familiar programming languages and constructs to interact with the database.
Why the other options are incorrect:
* A:Physical storage layout is managed by the database service, not the SDK.
* C:Infrastructure management is handled by cloud providers, not the SDK.
* D:Network security policies are managed via OCI console or infrastructure tools, not the SDK.

57. Frage
......

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