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Oracle 1Z0-997-25 Exam Syllabus Topics:

Section	Objectives
Topic 1: Compute and Storage Services	- Block, object, and file storage architecture - Compute instances and scaling strategies
Topic 2: Database Services	- Autonomous Database concepts - High availability and backup strategies
Topic 3: Identity and Access Management (IAM)	- Federation and identity providers - Policies, compartments, and tenancy structure
Topic 4: Security and Compliance	- Security zones and governance policies - Encryption and key management
Topic 5: Migration and Hybrid Cloud	- Hybrid connectivity options - On-premises to OCI migration strategies
Topic 6: Networking in OCI	- VCN design and subnetting - Load balancers, gateways, and routing
Topic 7: Architecture Design and Principles	- High availability and scalability design - Cloud architecture fundamentals

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Oracle Cloud Infrastructure 2025 Architect Professional Sample Questions (Q257-Q262):

NEW QUESTION # 257
During heavy ingestions, you see high USER I/O waits. What's appropriate?

A. Increase connection pool only
B. Use SQL tuning to reduce I/O
C. Use AWR to identify long-running queries
D. Switch to larger shape

Answer: B,C

NEW QUESTION # 258
Select all Autonomous DB features that improve AI-tuned query performance.

A. Shared server architecture
B. Automatic patching
C. Automatic indexing
D. Manual parallelism only

Answer: A,C

NEW QUESTION # 259
You want to automate the processing of new image files to generate thumbnails. The expected rate is 10 new files every hour. Which of the following is the most cost effective option to meet this requirement in Oracle Cloud Infrastructure (OCI)?
Response:

A. Upload files to an OCI Object storage bucket. Every time a file is uploaded, an event is emitted. Write a rule to filter these events with an action to trigger a function in Oracle Functions. The function processes the image in the file and stores the thumbnails back in an Object storage bucket
B. Upload all files to an Oracle Streaming Service (OSS) stream. Set up a cron job to invoke a function in Oracle Functions to fetch data from the stream. Invoke another function to process the image files and generate thumbnails. Store thumbnails in another OSS stream.
C. Build a web application to ingest the files and save them to a NoSQL Database. Configure OCI Events service to trigger a notification using Oracle Notification Service (ONS). ONS invokes a custom application to process the image files to generate thumbnails. Store thumbnails in a NoSQL Database table.
D. Upload files to an OCI Object storage bucket. Every time a file is uploaded, trigger an event with an action to provision a compute instance with a cloud-init script to access the file, process it and store it back in an Object storage bucket. Terminate the instance using Autoscaling policy after the processing is finished.

Answer: A

NEW QUESTION # 260
You need automated backup of Oracle Database@Google Cloud to OCI storage. How configure it cost-effectively?

A. Use GCP snapshots followed by manual copy
B. Use Cloud Functions to script GCS export
C. Enable OCI Autonomous Backup to OCI Object Storage
D. Export via Data Pump

Answer: C

NEW QUESTION # 261
What is the best way to secure traffic between API Gateway and private OCI Functions?

A. Use public API Gateway endpoint over HTTPS
B. Use private API Gateway in a VCN with Service Gateway
C. Use OCI WAF only
D. Terminate TLS at the function

Answer: B

NEW QUESTION # 262
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