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Oracle 1z0-1093-25 Exam Syllabus Topics:

Topic
Details

Topic 1

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 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

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 4

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 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.

Oracle Cloud Database Services 2025 Professional Sample Questions (Q25-Q30):

NEW QUESTION # 25
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 write requests due to insufficient WCUs.
B. CPU utilization of the compute instances hosting the database.
C. Number of rejected read requests due to insufficient RCUs.
D. Latency of read and write operations.

Answer: B

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 # 26
Which two statements accurately describe the relationship between Database Management and metrics collected in OCI Monitoring service?

A. Database Management retrieves performance data exclusively from the OCI Monitoring service and does not directly query the database.
B. Database Management relies on custom metrics uploaded to OCI Monitoring by the user in order to provide its monitoring features.
C. Database Management directly queries the database for detailed performance data and supplements it with metrics from the OCI Monitoring service.
D. Database Management's data collection is completely independent of the OCI Monitoring service.

Answer: C,D

Explanation:
B:Database Management directly queries the database to gather performance data, such as SQL performance and active session history. It also integrates with OCI Monitoring for infrastructure-level metrics like CPU, memory, and storage utilization.
C:Database Management can function independently of OCI Monitoring since it has its own data collection mechanisms.
Why the other options are incorrect:
* A:Database Management does not rely solely on OCI Monitoring.
* D:It does not require custom metrics from the user.

NEW QUESTION # 27
Which two options correctly describe methods for accessing and managing the Exadata Infrastructure?

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

Answer: C,D

Explanation:
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.

NEW QUESTION # 28
Which two are valid mechanisms for accessing OS-level metrics on a Base Database Service Virtual Machine?

A. All OS metrics are automatically pushed to the Cloud Exadata Service Dashboard, and are not available outside of this service.
B. Access OS metrics programmatically via the OCI Monitoring APIs, which allow retrieval of metrics collected by the Oracle Cloud Agent.
C. Utilize the vmcli utility, which allows access to OS-level metrics specific to the DB System.
D. Access OS metrics using the OCI Metrics Explorer within the OCI Console leveraging the Oracle Cloud Agent.
E. The only way to access OS-level metrics is through a custom monitoring agent installed directly on the VM.

Answer: B,D

Explanation:
B: Access OS metrics using the OCI Metrics Explorer within the OCI Console leveraging the Oracle Cloud Agent.
* OCI Metrics Explorer is part of the OCI Monitoring service.
* The Oracle Cloud Agent collects OS-level metrics and makes them available through the OCI Console.
* Users can view metrics like CPU usage, memory utilization, and disk I/O.
E: Access OS metrics programmatically via the OCI Monitoring APIs:
* The Oracle Cloud Agent collects OS metrics and exposes them via OCI Monitoring APIs.
* This approach allows for automated data retrieval and integration with external monitoring tools.
Why the other options are incorrect:
* A. vmcli utility:This is not a standard tool for accessing OS-level metrics on Base Database Service VMs.
* C. Custom monitoring agent:While possible, it is not the primary or only method. Oracle Cloud Agent is the default tool.
* D. Automatically pushed to the Cloud Exadata Service Dashboard:This statement is incorrect as OS metrics are available through OCI Monitoring.

NEW QUESTION # 29
Which Oracle Cloud Infrastructure (OCI) service is PRIMARILY used to store backups created from a BaseDB database?

A. OCI Block Volume
B. OCI File Storage
C. OCI Object Storage
D. OCI Data Transfer Service
E. OCI Archive Storage

Answer: C

Explanation:
C: OCI Object Storage:
* The primary storage service for database backups within OCI.
* Offers high durability, availability, and scalability.
* Integrated with Oracle's automated backup solutions for BaseDB.
* Suitable for both short-term and long-term storage of database backups.
Why the other options are incorrect:
* A. OCI Block Volume:Used for primary database storage, not long-term backups.
* B. OCI File Storage:Typically used for file system-based workloads, not for database backups.
* D. OCI Archive Storage:Suitable for long-term archival but not the primary backup destination.
* E. OCI Data Transfer Service:Used for bulk data migration into OCI, not for backup storage.

NEW QUESTION # 30
......

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