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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cloud Native Fundamentals | 11% | - Microservices Architecture
|
| Topic 2: Testing and Securing Cloud Native Applications | 13% | - Cloud Native Security
|
| Topic 3: Monitoring and Troubleshooting Cloud Native Applications | 10% | - Monitoring, Logging, and Tracing
|
| Topic 4: Cloud Native Applications and Containerization | 33% | - Docker and Containerization
|
| Topic 5: Leveraging Serverless Technologies for Cloud Native Development | 33% | - OCI Streaming
|
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NEW QUESTION # 17
What is the maximum execution time of Oracle Functions?
Answer: C
Explanation:
The maximum execution time of Oracle Functions is 300 seconds, which is equivalent to 5 minutes. This means that a function running within Oracle Functions cannot exceed a runtime of 5 minutes. If a function requires longer execution times, alternative approaches such as invoking external services asynchronously or using long-running processes should be considered. It is important to design functions with this execution time limitation in mind to ensure optimal performance and efficiency within the Oracle Functions platform.
NEW QUESTION # 18
You are deploying a containerized database application on a host using the standard Docker engine. To prevent data loss when the container instance is destroyed or updated, you must configure a storage mechanism that isolates application data from the volatile container layer and guarantees persistence. Which TWO statements or approaches correctly describe Docker storage components that satisfy this requirement?
Answer: D,E
Explanation:
Persistent container data must be stored outside the container ' s ephemeral writable layer. Docker volumes provide Docker-managed storage that remains independently available from the lifecycle of an individual container. Bind mounts provide another persistence mechanism by mapping a specified host file or directory directly into the container. Oracle ' s Docker documentation demonstrates both data volumes and host-path mounts for externalizing files from containers and preserving them independently. The writable container layer is removed with the container, a tmpfs mount stores data in volatile memory rather than persistent disk, and Docker image layers are immutable and cannot receive normal runtime database writes. Therefore, Docker volumes and bind mounts are the two valid persistence approaches described.
NEW QUESTION # 19
What is the correct username format required for the docker login command when authenticating to Container Registry for an IAM user belonging to a non-default identity domain?
Answer: B
Explanation:
Oracle Container Registry authentication requires the tenancy namespace to precede the identity information supplied to Docker. Oracle documents the standard username format as < tenancy-namespace > / < username
> . When an identity domain or federated domain must be identified explicitly, the domain name is inserted between the tenancy namespace and the username, resulting in < tenancy-namespace > / < domain-name > / < username > . The corresponding OCI Auth Token is supplied as the Docker password. Options C and D incorrectly rearrange the tenancy namespace and domain components, while option A omits the required domain qualification for the scenario described. Therefore, option B correctly represents the qualified Docker login username format used when the user ' s identity must be associated with a non-default domain.
NEW QUESTION # 20
What are the TWO main reasons you would choose to implement a serverless architecture? (Choose two.)
Answer: A,C
Explanation:
The two main reasons to choose a serverless architecture are: Automatic horizontal scaling: Serverless architectures allow for automatic scaling of resources based on demand. The infrastructure automatically provisions and scales resources as needed, ensuring that applications can handle varying workloads efficiently. This eliminates the need for manual scaling and optimizes resource utilization. Reduced operational cost: Serverless architectures follow a pay-per-use model, where you are billed only for the actual execution time and resources consumed by your functions. This leads to cost savings as you don ' t have to pay for idle resources. Additionally, serverless architectures remove the need for managing and maintaining servers, reducing operational overhead and associated costs.Explanation: No need for integration testing:
Integration testing is still necessary in serverless architectures to ensure that functions integrate correctly with other components and services. Serverless functions can interact with various event sources, databases, and APIs, and testing is required to verify the integration points. Improved in-function state management:
Serverless architectures typically encourage stateless functions that operate on short-lived requests or events.
While there are mechanisms to manage state within a function, serverless architectures are designed to be stateless by default, promoting scalability and fault tolerance. Easier to run long-running operations:
Serverless functions are generally designed for short-lived operations rather than long-running tasks. If you have a requirement for long-running operations, a serverless architecture may not be the ideal choice, as it has execution time limits and may not provide the necessary resources for extended execution.
NEW QUESTION # 21
You are instructed to automate manual tasks and help software teams manage complex environments at scale using the Oracle Cloud Infrastructure (OCI) services. Which THREE OCI services can be leveraged to securely store and version your application ' s source code, and automate the building, testing, and deployment of applications to the OCI platform? (Choose three.)
Answer: B,E,F
Explanation:
The three OCI services that can be leveraged to securely store and version your application ' s source code, and automate the building, testing, and deployment of applications to the OCI platform are: DevOps: OCI provides a comprehensive set of DevOps services, including Oracle Developer Cloud Service, which allows you to manage source code repositories, automate builds and testing, and streamline the deployment process.
Container Engine for Kubernetes: OCI ' s Container Engine for Kubernetes (OKE) enables you to deploy and manage containerized applications using Kubernetes. It provides a scalable and reliable platform for automating the deployment of your applications. Oracle Cloud Infrastructure Registry: OCI Registry is a fully managed, private container registry that allows you to securely store and manage Docker images. It integrates with other OCI services, such as Container Engine for Kubernetes, to facilitate seamless deployment and orchestration of containerized applications. These services combined provide the necessary tools and infrastructure to support continuous integration and continuous deployment (CI/CD) workflows, enabling efficient and automated application development and deployment processes in the Oracle Cloud Infrastructure environment.
NEW QUESTION # 22
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