Oracle Cloud Database Services 2025 Professional practice exam guide & 1z0-1093-25 actual test cram

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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic	Details
Topic 1	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.
Topic 2	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.
Topic 3	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.
Topic 4	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.
Topic 5	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.

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q67-Q72):

NEW QUESTION # 67
You need to implement a backup and recovery strategy for your MySQL HeatWave Database System. What is the recommended method for backing up and restoring your HeatWave cluster?

A. Utilizing OCI Database backups, which include both the MySQL Database System and the HeatWave cluster.
B. Manually copying the data files from the HeatWave cluster's storage.
C. Using the MySQL Enterprise Backup tool directly on the HeatWave nodes.
D. Using the OCI Object Storage service for storing manual database dumps.
E. Relying solely on MySQL replication to another MySQL instance.

Answer: A

Explanation:
C: Utilizing OCI Database backups:
* Integrated withOracle Cloud Infrastructure (OCI), providing consistent and complete backups.
* Supports both theMySQL Database System and the HeatWave cluster, ensuring data integrity.
* Automates backup scheduling and retention policies.
* Facilitates easy restoration in case of data loss or corruption.
Why the other options are incorrect:
* A. Manual copying:Prone to errors and lacks consistency.
* B. Manual dumps to Object Storage:Labor-intensive and not automated.
* D. MySQL replication:Suitable for high availability, but not a substitute for regular backups.
* E. MySQL Enterprise Backup on nodes:Complex and not designed for HeatWave's distributed environment.

NEW QUESTION # 68
Which of the following best describes the primary purpose of table rate limiting within Oracle NoSQL Database Cloud Service?

A. To restrict the total amount of storage space a table can consume.
B. To enforce strict data consistency across all table partitions, ensuring ACID compliance.
C. To prevent a single table from consuming excessive resources, ensuring fair allocation and preventing performance degradation for other tables and users.
D. To automatically optimize table schema design for improved query performance.

Answer: C

Explanation:
Table Rate Limiting:
Table rate limiting ensures that no single table monopolizes system resources, maintainingoverall stability and performancein a multi-tenant environment. This feature is crucial for cloud services where numerous applications may share the same database infrastructure. It helps maintain fair access by capping the number of read/write operations per second.
Why the other options are incorrect:
* A:ACID compliance is achieved through consistency settings, not rate limiting.
* C:Schema optimization is not related to rate limiting.
* D:Rate limiting controls IOPS (Input/Output Operations Per Second), not storage space.

NEW QUESTION # 69
Which two of the following options are valid statements regarding the management of the operating system on a Base Database Service Virtual Machine DB System?

A. Customers have full root access to the underlying operating system of the Virtual Machine DB System, allowing for customization and installation of custom software.
B. Customers are responsible for the initial OS installation, but then patching is controlled entirely by Oracle.
C. Direct SSH access to the underlying VM is restricted, and all OS-level operations must be performed through the Web Console.
D. Oracle manages the underlying operating system patching and updates, ensuring the system remains secure and compliant.
E. Customers are responsible for the security and maintenance of the operating system, including applying necessary patches and updates.

Answer: A,E

Explanation:
B: Full root access:
* Customers have root-level access to manage the OS, install custom software, and configure settings.
* This provides flexibility to meet specific application requirements.
D: Responsibility for OS security:
* With root access, customers must manage OS security, including updates and patches.
* Oracle provides tools to facilitate patching, but the responsibility lies with the customer.
Why the other options are incorrect:
* A. Restricted SSH access:SSH access is allowed for VM DB systems.
* C. Oracle-managed OS patching:Oracle does not automatically patch the OS; this is a customer responsibility.
* E. Initial OS installation by customers:The OS is pre-installed, but ongoing maintenance is customer- driven.

NEW QUESTION # 70
During the provisioning of an Oracle Cloud Infrastructure (OCI) Base Database Service (BaseDB) virtual machine (VM), what is the PRIMARY purpose of specifying the database name (DB Name)?

A. To select the character set for the operating system.
B. To determine the operating system user account used for database administration.
C. To define the hostname for the database server.
D. To create the initial database instance and its associated files.

Answer: D

Explanation:
Database Name (DB Name):
When provisioning aBaseDB VM, thedatabase nameis used to create the initial instance. It specifies how the database will be identified and helps in creating associated system files, such ascontrol files, redo log files, and datafiles. This name is crucial fordatabase instance managementand connectivity within the OCI environment.
The DB name becomes part of theDB System resource identifierin OCI, which is used in automation and management tasks.
Why the other options are incorrect:
* A:The hostname is specified independently during network configuration.
* B:OS user accounts are configured separately.
* D:The character set is chosen during database configuration, not based on the DB name.

NEW QUESTION # 71
Which statement BEST describes the primary architectural distinction between Exadata Database Service and a traditional Oracle Database deployed on virtual machines in the cloud?

A. Exadata Database Service utilizes only virtualized compute nodes, while traditional deployments use bare metal.
B. Exadata Database Service integrates specialized, high-performance storage servers and a high- bandwidth, low-latency RDMA over Converged Ethernet (RoCE) network, optimized for database workloads, which are not present in typical cloud VM deployments.
C. Exadata Database Service exclusively supports Oracle RAC, while traditional cloud deployments can support both single-instance and RAC databases.
D. Exadata Database Service uses a completely different SQL parsing engine compared to a traditional Oracle Database.

Answer: B

Explanation:
Exadata's Unique Architecture:
Exadata Database Service is engineered specifically for Oracle Database workloads. The architecture leverages specialized storage servers that performdata-intensive operations at the storage level(such as filtering and aggregation), reducing the amount of data sent to the compute nodes.
TheRoCE network(RDMA over Converged Ethernet) provides high-bandwidth, low-latency connectivity between compute and storage nodes, significantly enhancing I/O performance. This architecture is optimized for bothOLTP and OLAP workloads, making Exadata a superior choice for performance-critical applications.
Why the other options are incorrect:
* A:Exadata combines both virtualized and bare metal compute nodes.
* C:Both Exadata and traditional cloud deployments can support Oracle RAC, but Exadata is optimized for it.
* D:Exadata uses the same Oracle Database SQL parsing engine; the difference lies in the optimized hardware.

NEW QUESTION # 72
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ORACLE CLOUD DATABASE SERVICES 2025 PROFESSIONAL PRACTICE EXAM GUIDE & 1Z0-1093-25 ACTUAL TEST CRAM

Oracle Cloud Database Services 2025 Professional practice exam guide & 1z0-1093-25 actual test cram