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1z0-1093-25 Torrent Vce - 1z0-1093-25 Certking Pdf & 1z0-1093-25 Free Questions

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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

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 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.

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

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.

Oracle Cloud Database Services 2025 Professional Sample Questions (Q27-Q32):

NEW QUESTION # 27
In the context of MySQL HeatWave, what is the purpose of the HeatWave AutoPilot feature?

A. To automate various aspects of HeatWave management, such as data placement, node sizing and resource allocation, and query scheduling.
B. To automatically scale the number of MySQL instances based on transactional workload demands.
C. To automatically detect and prevent security vulnerabilities in the MySQL database.
D. To automatically generate reports on MySQL performance and usage.
E. To automatically back up and restore the MySQL database to Oracle Cloud Infrastructure Object Storage.

Answer: A

Explanation:
C: To automate various aspects of HeatWave management, such as data placement, node sizing and resource allocation, and query scheduling.
HeatWave AutoPilot Automation:
* HeatWave AutoPilot is designed to simplify and optimize the management of HeatWave.
* It automates critical tasks like:
* Data placement:Optimizing where data is stored in the HeatWave cluster for efficient query processing.
* Node sizing and resource allocation:Dynamically adjusting the size of the HeatWave cluster and allocating resources based on workload demands.
* Query scheduling:Optimizing the execution of queries for maximum performance.
* Enhanced Performance:By automating these tasks, HeatWave AutoPilot helps to ensure optimal performance and resource utilization.
Why the other options are incorrect:
* A. Automatically detecting and preventing security vulnerabilities:This is not the primary function of HeatWave AutoPilot.
* B. Automatically scaling MySQL instances based on transactional workload:HeatWave is focused on analytical workloads, not transactional scaling.
* D. Automatically generating performance reports:While monitoring is important, this isnot the main purpose of AutoPilot.
* E. Automatically backing up to OCI Object Storage:Backup and restore are separate functions and not part of AutoPilot's core functionality.

NEW QUESTION # 28
Which two statements are accurate regarding the placement of VM Clusters within an Exadata Cloud Infrastructure?

A. Multiple VM Clusters can be created within a single Exadata Cloud Infrastructure, allowing for workload isolation.
B. Each VM Cluster must be associated with its own dedicated VCN, isolating network traffic between clusters.
C. VM Clusters can span multiple Exadata Cloud Infrastructures, providing a single, unified database environment.
D. VM Clusters within the same Exadata Infrastructure can share a single VCN, simplifying network management.
E. Only one VM Cluster can exist within an Exadata Cloud Infrastructure.

Answer: A,D

Explanation:
B: Multiple VM Clusters within a single Exadata Infrastructure:
* Multiple clusters can coexist, each isolated for specific workloads.
* Supports resource optimization and isolation.
E: Sharing a single VCN:
* VM Clusters within the same Exadata Infrastructure can be configured to use the same Virtual Cloud Network (VCN), streamlining network management.
Why the other options are incorrect:
* A. Only one VM Cluster:Incorrect as multiple clusters are supported.
* C. Spanning multiple infrastructures:VM Clusters do not span Exadata Infrastructures; they are confined to a single infrastructure.
* D. Dedicated VCN for each cluster:Unnecessary, as clusters can share a VCN.

NEW QUESTION # 29
Before migrating to MySQL HeatWave, what is the MOST important action to take regarding user accounts and privileges?

A. Merge all user accounts into a single 'admin' account.
B. Delete all user accounts except for the root account.
C. Ensure all user accounts and privileges are compatible with MySQL 8.0, and recreate any incompatible accounts on the target instance.
D. Reset all user passwords to default values.
E. Migrate all user accounts to use external authentication (e.g., LDAP).

Answer: C

Explanation:
B: Ensure all user accounts and privileges are compatible with MySQL 8.0:
* MySQL HeatWaveis based onMySQL 8.0, so compatibility is crucial.
* User accounts and privileges must be updated to match the security and syntax requirements of MySQL
8.0.
* If any incompatibility is detected, the accounts should be recreated on the target HeatWave instance.
* Typical issues include changes inpassword hashing algorithms,privilege structure, androle management.
Why the other options are incorrect:
* A. Resetting passwords to default:Risky from a security perspective and unnecessary.
* C. Deleting user accounts except root:This drastically limits access and disrupts database operations.
* D. External authentication (LDAP):Not mandatory or relevant to compatibility with HeatWave.
* E. Merging accounts into a single 'admin':Violates best practices for user management and security.

NEW QUESTION # 30
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. Using the MySQL Enterprise Backup tool directly on the HeatWave nodes.
B. Using the OCI Object Storage service for storing manual database dumps.
C. Utilizing OCI Database backups, which include both the MySQL Database System and the HeatWave cluster.
D. Manually copying the data files from the HeatWave cluster's storage.
E. Relying solely on MySQL replication to another MySQL instance.

Answer: C

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 # 31
What is the MOST effective method to minimize the recovery time objective (RTO) for a BaseDB database in the event of a complete DB system failure, assuming both cost and complexity are important considerations?

A. Using Oracle Data Guard with synchronous replication to a remote region.
B. Relying solely on regular full database backups.
C. Performing frequent incremental backups with block change tracking enabled.
D. Using Oracle Data Guard with asynchronous replication to a different availability domain within the same region.
E. Implementing a custom script to regularly copy data files to a secondary block volume.

Answer: D

Explanation:
C: Using Oracle Data Guard with asynchronous replication to a different availability domain within the same region.
Asynchronous Replication:
* Minimizes performance impact while ensuring data protection.
* Placing standby in the same region reduces latency and cost.
* Fast switchover reduces RTO.
Why the other options are less effective:
* A. Full backups:Time-consuming for recovery.
* B. Synchronous to a remote region:Increases latency and cost.
* D. Incremental backups:Slower recovery process.
* E. Custom script:Complex and less reliable than Data Guard.

NEW QUESTION # 32
......

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Eli Brown Eli Brown

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