Oracle 1z0-1093-25 Questions: Turn Your Exam Fear into Confidence [2025]

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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic	Details
Topic 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.
Topic 2	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 3	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 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.
Topic 5	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.

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q43-Q48):

NEW QUESTION # 43
Which two statements are accurate regarding the lifecycle management of an Exadata VM Cluster?

A. Patching the Exadata Infrastructure automatically patches the VM Cluster and databases.
B. The VM Cluster's CPU core count can be dynamically scaled up or down without requiring a reboot.
C. The VM Cluster can be terminated independently, allowing reuse of the Exadata Infrastructure for a different VM Cluster.
D. The VM Cluster can be independently stopped and started without impacting the underlying Exadata Infrastructure.
E. Modifying the shape of the Exadata Infrastructure automatically scales the VM Cluster resources proportionally.

Answer: C,D

Explanation:
A:Exadata VM Clusters can be managed independently from the Exadata Infrastructure. This means you can start or stop the cluster without affecting the infrastructure, which provides flexibility for maintenance and performance tuning.
E:The VM Cluster can be terminated without impacting the Exadata Infrastructure. This feature is useful when you want to reassign the infrastructure resources to a new or different cluster.
Why the other options are incorrect:
* B:While some adjustments might not need a reboot, core count scaling often requires restarting.
* C:Patching the infrastructure and the VM Cluster are separate processes.
* D:Changing the infrastructure shape does not automatically adjust VM Cluster resources. Manual reconfiguration is needed.

NEW QUESTION # 44
When considering autoscaling for provisioned throughput in NoSQL Database Cloud Service, which metric is LEAST relevant for determining when to scale up the capacity units?

A. Number of rejected read requests due to insufficient RCUs.
B. Number of rejected write requests due to insufficient WCUs.
C. Latency of read and write operations.
D. CPU utilization of the compute instances hosting the database.

Answer: D

Explanation:
A: CPU utilization of the compute instances hosting the database:
* Autoscaling in NoSQL Database Cloud Service primarily focuses onRCUs (Read Capacity Units)and WCUs (Write Capacity Units).
* The objective is to dynamically adjust capacity based onquery workload, not onCPU utilization.
* Even if CPU usage is high, it might not necessarily indicate that the capacity units are inadequate.
Why the other options are more relevant:
* B. Rejected read requests (RCUs):Direct indicator that read capacity is insufficient, requiring scaling.
* C. Rejected write requests (WCUs):Indicates that the write throughput is inadequate, necessitating scaling.
* D. Latency of read and write operations:Increased latency often points to under-provisioned throughput.

NEW QUESTION # 45
Which of the following actions would typically require the highest level of IAM permissions on a NoSQL table within Oracle NoSQL Database Cloud Service?

A. Inserting a new row into the table.
B. Updating an existing row in the table.
C. Performing a simple read operation on a single row.
D. Dropping the entire table.

Answer: D

Explanation:
D: Dropping the entire table:
* Deleting a table is adestructive operationthat permanently removes the data.
* Requires the highest level of permissions due to the potential fordata lossand disruption.
* Usually restricted toadministrators or highly privileged users.
Why the other options are incorrect:
* A. Simple read operation:Basic permission, often granted to most users.
* B. Inserting a row:Requires write permissions, but not as critical as table deletion.
* C. Updating a row:Similar to insertion, modifies existing data but does not destroy the table.

NEW QUESTION # 46
Which of the following components is responsible for automatically offloading suitable queries from MySQL to the HeatWave accelerator?

A. MySQL Router
B. MySQL Query Optimizer
C. MySQL Shell
D. Oracle Cloud Infrastructure (OCI) Load Balancer
E. HeatWave AutoPilot

Answer: B

Explanation:
A: MySQL Query Optimizer:
* TheMySQL Query Optimizerdetermines whether a query can benefit from HeatWave's in-memory, columnar processing.
* If a query is deemed suitable, it is automatically offloaded to the HeatWave cluster.
* This process significantly improves the execution speed of complex analytical queries.
Why the other options are incorrect:
* B. HeatWave AutoPilot:Manages workload optimization but does not directly offload queries.
* C. MySQL Router:Manages connection routing, not query offloading.
* D. MySQL Shell:Primarily used for administrative tasks, not query optimization.
* E. OCI Load Balancer:Manages network traffic distribution, unrelated to database query processing.

NEW QUESTION # 47
Which statement accurately reflects the impact of applying an Oracle-provided patch to the operating system on an Exadata Database Service instance using the Oracle Cloud Infrastructure (OCI) console?

A. The OCI console-initiated patch process automatically updates both the database software and the underlying operating system on all compute and storage nodes concurrently.
B. The OCI console-initiated patch process updates the database software and the OS, allowing for a rolling update strategy on the database nodes, minimizing downtime. Storage nodes are updated separately.
C. The OCI console-initiated patch process only patches the storage servers; database nodes require manual OS patching.
D. The OCI console-initiated patch process only updates the database software, leaving the underlying OS untouched.

Answer: B

Explanation:
OCI Patching Process:
The Oracle Cloud Infrastructure console simplifies the patching process by integrating bothdatabase software and OS patching. Therolling update strategyensures that one node at a time is patched, reducing the downtime associated with updating the entire cluster. The storage nodes are updated in a separate process to ensure data integrity and availability.
Why the other options are incorrect:
* A:The OCI console updates both the OS and database software.
* B:Updates are performed in a rolling fashion, not concurrently.
* D:The OCI console handles OS patching for both compute and storage nodes.

NEW QUESTION # 48
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Oracle 1z0-1093-25 Questions: Turn Your Exam Fear into Confidence [2025]

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Oracle Cloud Database Services 2025 Professional Sample Questions (Q43-Q48):