1Z0-997-26 Cloud Native Architecture Practice Question
An OCI Function in your serverless architecture needs to process large files (up to 5GB) uploaded to an OCI Object Storage bucket. Due to ephemeral storage limits inside the function container (/tmp), the function crashes when attempting to download the entire file locally. How should you redesign this function processing flow?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Stream the file contents in chunks using Object Storage API range requests and process data iteratively without full local storage.
Instead of downloading the entire file into local ephemeral storage, the function should process the file using Object Storage multi-part upload/download streaming or range requests to process the file in chunks.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Attach an OCI Block Volume directly to the OCI Function container instance.
Why it's wrong here
Incorrect. OCI Functions do not support attaching persistent Block Volumes directly to serverless function instances.
- ✗
Increase the OCI Function memory allocation to automatically provision a larger /tmp filesystem.
Why it's wrong here
Incorrect. While /tmp size scales proportionally with memory, it has strict limits (e.g., 512MB or up to 2GB max) which cannot hold a 5GB file.
- ✓
Stream the file contents in chunks using Object Storage API range requests and process data iteratively without full local storage.
Why this is correct
Correct. Streaming data in chunks avoids exceeding the limited /tmp storage of OCI Functions.
- ✗
Mount an OCI File Storage Service (FSS) target over the internet inside the function code.
Why it's wrong here
Incorrect. Mounting FSS requires NFS ports and VCN attachment, which is not supported natively by serverless OCI Functions execution environments.
Quick reference
Cloud Service Model Comparison
| Model | You Manage | Provider Manages | Examples |
|---|---|---|---|
| IaaS | OS, runtime, apps, data | Hardware, hypervisor, networking | EC2, Azure VMs, GCP Compute Engine |
| PaaS | Apps and data | OS, runtime, middleware, hardware | Elastic Beanstalk, Azure App Service |
| SaaS | Data and settings only | Everything else | Microsoft 365, Salesforce, Workday |
| FaaS / Serverless | Function code only | Infra, scaling, runtime | Lambda, Azure Functions, Cloud Run |
| CaaS | Containers and apps | Kubernetes, OS, hardware | EKS, AKS, GKE |
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JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Oracle exam blueprint
This 1Z0-997-26 practice question is part of Courseiva's free Oracle certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 1Z0-997-26 exam.