Top Latest 1z0-1093-25 Dumps Questions & Leader in Qualification Exams & Unparalleled Oracle Oracle Cloud Database Services 2025 Professional

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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	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	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 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 (Q91-Q96):

NEW QUESTION # 91
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. Performing frequent incremental backups with block change tracking enabled.
B. Using Oracle Data Guard with synchronous replication to a remote region.
C. Implementing a custom script to regularly copy data files to a secondary block volume.
D. Relying solely on regular full database backups.
E. Using Oracle Data Guard with asynchronous replication to a different availability domain within the same region.

Answer: E

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 # 92
Which component aids in assessing the readiness of a MySQL instance for migration to MySQL HeatWave, specifically identifying potential compatibility issues?

A. Oracle SQL Developer
B. MySQL Enterprise Monitor
C. Oracle Cloud Advisor
D. MySQL Workbench
E. MySQL Shell Upgrade Checker Utility

Answer: E

Explanation:
C: MySQL Shell Upgrade Checker Utility:
* The utility analyzes MySQL instances for compatibility with newer versions, such as MySQL 8.0 used by HeatWave.
* It checks for:
* Syntax differences
* Data type mismatches
* Deprecated features
* The tool outputs a report highlighting issues that may impact migration to HeatWave.
Why the other options are incorrect:
* A. MySQL Enterprise Monitor:Focuses on monitoring performance, not compatibility.
* B. Oracle SQL Developer:Primarily used for database development, not upgrade checks.
* D. Oracle Cloud Advisor:Provides cloud optimization recommendations, not MySQL compatibility checks.
* E. MySQL Workbench:A visual tool for database design and administration, not specifically for upgrade assessment.

NEW QUESTION # 93
Which two requirements must be met first to create an Exadata Database Service Instance?

A. You need to define the VCN, Private Client subnet, and Service Backup subnet.
B. There are no prerequisites for creating an Exadata Database Service instance.
C. You only need a VCN and Universal Cloud Credits.
D. You need to define the VCN, Private Client subnet, and Private Backup subnet.
E. You need to create an Exadata Infrastructure and VM Cluster resource.

Answer: D,E

Explanation:
C: Define VCN, Private Client subnet, and Private Backup subnet:
* These network components are necessary to ensure secure connectivity and backup configurations.
* TheVCN (Virtual Cloud Network)provides network isolation.
* ThePrivate Client subnetenables secure client connections.
* ThePrivate Backup subnetis required for secure access toOCI Object Storagefor backups.
E: Create Exadata Infrastructure and VM Cluster resource:
* Exadata Infrastructure represents the physical hardware.
* VM Cluster resource defines compute and storage resources for the databases.
* Both must be set up before provisioning the actual database instance.
Why the other options are incorrect:
* A. VCN and Universal Cloud Credits:Insufficient; more configuration is needed.
* B. Service Backup subnet:Incorrect, it should be aPrivate Backup subnet.
* D. No prerequisites:Incorrect; prerequisites include both network and infrastructure setup.

NEW QUESTION # 94
How does HeatWave address the challenges of Online Analytical Processing (OLAP) compared to traditional row-based database systems?

A. HeatWave leverages AI-powered indexing to optimize the data retrieval.
B. HeatWave uses a specialized indexing technique to speed up data retrieval.
C. HeatWave employs a columnar data format in memory, enabling faster scans and aggregations for complex queries.
D. HeatWave leverages a distributed caching mechanism to store frequently accessed data.
E. HeatWave automatically shards the database to distribute the workload across multiple nodes.

Answer: C

Explanation:
HeatWave's Columnar Processing:
HeatWave improves OLAP performance by storing data in acolumnar formatin memory. This format is particularly efficient foranalytical queriesbecause:
* It minimizes the amount of data read by only scanning thenecessary columns.
* Columnar storage supportsvectorized processing, which significantly speeds up aggregation operations.
* Beingin-memory, it eliminates disk I/O bottlenecks, crucial for high-speed analytics.
Why the other options are incorrect:
* A:Indexing is useful, but columnar storage is the primary driver of speed.
* C:Caching improves access times but does not address the fundamental OLAP challenge of processing large datasets.
* D:HeatWave distributes workload usingparallel processing, not simple sharding.
* E:AI-powered indexing is not a core feature of HeatWave.

NEW QUESTION # 95
You are tasked with monitoring the I/O performance of an Exadata Database Service (ExaDB) using the exadcli utility. You need to retrieve detailed statistics on Smart Flash Cache usage, including read and write operations, at the storage cell level. Which exadcli command will provide the most comprehensive information?

A. exadcli list metriccurrent -cell -metricname "IOPS,MBPS"
B. exadcli list metricdetail -cell -metricname "flashcache.*"
C. exadcli list metrichistory -cell -metricname "flashcache_read_iops,flashcache_write_iops"
D. exadcli list metriccurrent -cell -metricname "cell.*"

Answer: B

Explanation:
Detailed Flash Cache Monitoring:
The commandexadcli list metricdetail -cell -metricname "flashcache.*"provides acomprehensive overviewof all metrics related toSmart Flash Cache. This includes bothread and write operations, hit ratios, and IOPS statistics.
* Themetricdetailoption retrieves in-depth data, crucial for performance troubleshooting.
* Theflashcache.*wildcard captures all relevant metrics associated with the Flash Cache subsystem.
Why the other options are incorrect:
* A:Limited to current IOPS and throughput, not specifically flash cache.
* C:Too broad, as it includes general cell metrics.
* D:Focuses only on historical read/write IOPS, not comprehensive.

NEW QUESTION # 96
......

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Top Latest 1z0-1093-25 Dumps Questions & Leader in Qualification Exams & Unparalleled Oracle Oracle Cloud Database Services 2025 Professional

Oracle Latest 1z0-1093-25 Dumps Questions: Oracle Cloud Database Services 2025 Professional - RealExamFree Good-reputation Website

Oracle 1z0-1093-25 Exam Syllabus Topics:

Oracle Cloud Database Services 2025 Professional Sample Questions (Q91-Q96):

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