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Oracle 1Z0-997-25 Exam Syllabus Topics:

Oracle Cloud Infrastructure 2025 Architect Professional Sample Questions:

1. Which cluster type should you choose for high throughput and consistent low latency across large datasets?

A) Non_sharded cluster
B) One_node primary with many replicas
C) Single memory-optimized VM
D) Sharded cluster with multiple primaries and replicas

2. 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.

3. Large plan runs slowly on thousands of resources. What helps?

A) Copy config to separate project
B) Upgrade Terraform only
C) Break config into environment-specific modules
D) Use -target to focus on specific resources

4. During a large extract for BI, an ADB query loading 150 M rows fails due to memory constraints. How do you fix it?

A) Partition data + incremental fetch
B) Disable indexes
C) Increase PowerBI VM RAM
D) Use smaller SELECT column lists

5. During auto_scaling, container start_up delays degrade user experience. Which optimizations help reduce cold_start time?

A) Switch to minimal base images
B) Enable VCN_native networking
C) Pre_pull images on cluster nodes
D) Use init containers for logging

Solutions: