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| Section | Weight | Objectives |
|---|---|---|
| Cloud Native Fundamentals | 11% | - DevOps concepts and CI/CD workflows - OCI developer services and tools overview - Cloud-native principles and microservices architecture |
| Testing and Securing Cloud Native Applications | 13% | - Secrets management with OCI Vault - Testing strategies and secure deployment configurations - Application security best practices |
| Cloud Native Applications and Containerization | 33% | - Deployment and management with Oracle Kubernetes Engine (OKE) - Oracle Container Registry (OCIR) usage - Building containerized applications with Docker |
| Leveraging Serverless Technologies for Cloud Native Development | 33% | - Event-driven architecture with OCI Events, Streaming, and Queue - API-driven architectures using API Gateway - Oracle Functions development and management |
| Monitoring & Troubleshooting Cloud Native Applications | 10% | - Application performance monitoring and tracing - Centralized logging and metrics collection - Troubleshooting containerized and serverless workloads |
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NEW QUESTION # 53
Which is ONE of the differences between a microservice and a serverless function?
Answer: C
Explanation:
The correct answer is: Microservices are used for long running operations while serverless functions are used for short running operations. One of the key differences between microservices and serverless functions is the duration of their execution. Microservices are typically designed to handle long-running operations and may continuously run and process requests as part of a larger system. They are often deployed and managed as long-lived services. On the other hand, serverless functions are designed to handle short-lived operations or tasks that execute in response to specific events or triggers. They are event-driven and execute only when invoked, providing a lightweight and ephemeral computing model. Serverless functions are often used for executing small, isolated pieces of code without the need for managing infrastructure or scaling concerns.
While both microservices and serverless functions can be stateless or stateful depending on the specific implementation, the key distinction lies in the typical duration and execution pattern of these components within an application architecture.
NEW QUESTION # 54
Which security capability in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) enables developers to scope IAM permissions at the individual service account level for application pods rather than the host Compute instances?
Answer: B
Explanation:
OKE Workload Identity enables applications running in Kubernetes pods to receive fine-grained OCI IAM permissions based on their Kubernetes identity rather than inheriting broad permissions from the worker node.
Oracle defines a workload identity using the combination of the OKE cluster, Kubernetes namespace, and Kubernetes service account. IAM policies can therefore restrict access to a specific workload using conditions such as request.principal.type= ' workload ' , request.principal.namespace, request.principal.service_account, and request.principal.cluster_id. Instance Principals grant identity to Compute instances, while Kubernetes RBAC controls access to Kubernetes resources rather than OCI services. Resource Principals apply to supported OCI resources but do not provide OKE ' s service-account-specific pod identity model. Thus, Workload Identity is the correct capability.
NEW QUESTION # 55
Which statement is NOT valid regarding pulling and pushing container images in Oracle Cloud Infrastructure Registry (OCIR)?
Answer: D
Explanation:
Statement C is invalid. Oracle states that creating a repository before pushing is the normal workflow.
Automatic repository creation occurs only when the tenancy settingCreate repository on first push in root compartmentis enabled and the user has appropriate permissions. Even then, the new private repository is created in the tenancy ' sroot compartment, not a user ' s "home compartment." Oracle Container Registry is OCI-compliant and supports standard Docker commands. Public repositories can be pulled by anyone with internet access and the appropriate image URL without authenticating first. For pushing, Docker images are tagged using a registry path containing the regional registry domain, tenancy namespace, repository name, and version. The tenancy namespace is the automatically generated namespace associated with Object Storage. Therefore, C misstates both the default behavior and repository location.
NEW QUESTION # 56
Which testing measure should be considered when using test cases that simultaneously validate a deployment and perform a selected set of functional tasks?
Answer: E
Explanation:
The correct answer is: " Robust Deployment. " When using test cases that simultaneously validate a deployment and perform a selected set of functional tasks, the testing measure that should be considered is " Robust Deployment. " Robust Deployment refers to the ability of an application or system to be deployed reliably and consistently, without errors or failures. It involves ensuring thatthe deployment process is well- defined, automated, and able to handle different scenarios and configurations. When conducting testing that combines the validation of deployment and functional tasks, it is crucial to ensure that the deployment itself is robust. This means verifying that the application or system can be successfully deployed and configured without encountering deployment-related issues such as incorrect configurations, missing dependencies, or compatibility problems. By considering " Robust Deployment " as a testing measure, you can evaluate the reliability and effectiveness of the deployment process, ensuring that the application or system is deployed correctly and ready to perform the selected set of functional tasks.
NEW QUESTION # 57
A developer has created another version of a microservice and wants 10% of the traffic to flow towards it for testing purposes. The application is already configured using OCI (Oracle Cloud Infrastructure) Service Mesh. Which of the following steps is the right approach to achieve this goal?
Answer: A
NEW QUESTION # 58
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