The Oracle Cloud Infrastructure 2025 Developer Professional (1Z0-1084-25) exam validates your ability to design, build, and deploy cloud-native applications on Oracle Cloud Infrastructure (IaaS). This certification is ideal for developers and architects who work with containerized workloads, serverless technologies, and modern application patterns. This page provides a structured study roadmap, topic breakdown, and practical preparation guidance to help you pass with confidence.
Use this topic map to guide your study for Oracle 1Z0-1084-25 (Oracle Cloud Infrastructure 2025 Developer Professional) within the Oracle Cloud Infrastructure as a Service (IaaS) path.
The 1Z0-1084-25 exam combines knowledge-based questions with scenario-driven items that require practical reasoning and real-world decision-making.
Questions progress in difficulty and emphasize practical application over memorization, reflecting how developers actually work with Oracle Cloud Infrastructure.
An effective study plan breaks the five core topics into weekly milestones and reinforces connections between concepts. Dedicate time to both theoretical understanding and hands-on practice with OCI services.
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Cloud Native Applications and Containerization and Monitoring & Troubleshooting Cloud Native Applications typically account for a larger portion of the exam. However, all five domains are tested, so balanced preparation across each topic is essential. Review the official exam guide to confirm the latest weighting.
Cloud Native Fundamentals provide the design principles that guide your choices in containerization and serverless architecture. Testing and security practices are embedded into your development workflow, while monitoring and troubleshooting ensure production reliability. Understanding these connections helps you make informed decisions rather than memorizing isolated facts.
Practical experience with OCI Container Registry, Functions, and Kubernetes Engine is valuable but not mandatory if you study thoroughly. Prioritize labs that involve deploying a containerized application, triggering serverless functions, and configuring basic monitoring. Even simulated practice in OCI's free tier helps solidify concepts.
Candidates often confuse when to use Functions versus Compute, misunderstand logging and tracing configurations, or overlook security implications of service choices. Carefully read scenario questions for context clues, and review explanations for every practice question to avoid repeating errors.
Focus on your weakest topic areas identified during practice tests. Redo scenario-based questions rather than rereading notes. Take one full timed practice test 2-3 days before the exam, review any missed questions, then rest the day before. Avoid cramming new material in the final 24 hours.
Which is NOT a valid option to execute a function deployed in Oracle Functions?
The correct answer is: Invoke from the Docker CLI. Explanation:: Executing a function deployed in Oracle Functions is typically done using the following options: Invoke from the Fn Project CLI: The Fn Project CLI provides a command-line interface specifically designed for interacting with Oracle Functions. You can use commands like fn invoke to invoke a function. Trigger by an event in the Oracle Cloud Infrastructure (OCI) Events service: You can configure events in OCI to trigger your function based on various criteria, such as object storage events, resource state changes, or scheduled events. Invoke from the OCI CLI: The OCI CLI (Command Line Interface) allows you to interact with various services in Oracle Cloud Infrastructure, including Oracle Functions. You can use the fn invoke command to invoke a function. Send signed HTTP requests to the function's invoke endpoint: Oracle Functions provides an HTTP endpoint that can be used to invoke functions. You can send signed HTTP requests to this endpoint using tools or programming languages that support making HTTP requests. On the other hand, invoking a function deployed in Oracle Functions using the Docker CLI is not a valid option. The Docker CLI is primarily used for managing Docker containers and images, and it does not provide a direct mechanism for invoking functions in Oracle Functions.
How are cloud native application versions deployed to an OKE cluster when using a blue/green deployment strategy?
As a cloud-native developer, you are designing an application that depends on Oracle Cloud Infrastructure (OCI) Object Storage wherever the application is running. Therefore, provisioning of storage buckets should be part of your Kubernetes deployment process for the application. Which of the following should you leverage to meet this requirement? (Choose the best answer.)
To provision storage buckets as part of your Kubernetes deployment process for an application that depends on Oracle Cloud Infrastructure (OCI) Object Storage, you should leverage the OCI Service Broker for Kubernetes. OCI Service Broker for Kubernetes enables you to provision and manage OCI resources, including Object Storage buckets, directly from Kubernetes. It provides a Kubernetes-native experience for managing OCI services, allowing you to define and manage OCI resources as part of your application deployment process. By using the OCI Service Broker for Kubernetes, you can define the required Object Storage buckets in your Kubernetes manifests, and the service broker will handle the provisioning and management of those buckets in OCI, ensuring that they are available for your application wherever it is running.
Which TWO are required to access the Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster from the kubectl CLI? (Choose two.)
The correct options are: A configured OCI API signing key pair: The API signing key pair is used for authentication and authorization to access OCI resources, including the OKE cluster. The private key should be configured on your local machine to authenticate API requests. An SSH key pair with the public key added to the cluster worker nodes: This is required for secure SSH access to the worker nodes in the OKE cluster. You need to generate an SSH key pair and add the public key to the cluster's worker node pool during cluster creation or update. Therefore, the correct options are having a configured OCI API signing key pair and an SSH key pair with the public key added to the cluster worker nodes.
What is the open source engine for Oracle Functions?
The Fn Project is an open source serverless computing platform that serves as the engine for Oracle Functions. It provides a runtime environment for executing functions in a serverless architecture. The Fn Project enables developers to build and deploy functions using different programming languages, including Java, Python, Node.js, and more. The Fn Project is designed to be flexible and extensible, allowing developers to define functions as small units of code and execute them in response to events or triggers. It supports event-driven execution, allowing functions to be triggered by various events such as HTTP requests, messages from messaging systems, or changes in data. Oracle Functions leverages the Fn Project as its underlying engine, providing a managed serverless platform within the Oracle Cloud Infrastructure. It allows developers to easily develop, deploy, and manage functions using the familiar Fn Project framework and tooling. With Oracle Functions, developers can focus on writing their function code while leaving the infrastructure management, scaling, and operational tasks to the platform.
