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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Cloud Native Applications and Containerization | 33% | - OCI Registry
|
| Topic 2: Testing and Securing Cloud Native Applications | 13% | - Cloud Native Testing
|
| Topic 3: Cloud Native Fundamentals | 11% | - Microservices Architecture
|
| Topic 4: Monitoring & Troubleshooting Cloud Native Applications | 10% | - OCI Monitoring
|
| Topic 5: Leveraging Serverless Technologies for Cloud Native Development | 33% | - OCI Streaming
|
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NEW QUESTION # 113
Which feature is typically NOT associated with Cloud Native?
Answer: A
Explanation:
The feature that is typically NOT associated with Cloud Native is " Application Servers. " Cloud Native architecture emphasizes lightweight, scalable, and containerized deployments, which often replace traditional monolithic application servers. Instead of relying on application servers, Cloud Native applications are typically deployed as containerized microservices that can be orchestrated and managed using container orchestration platforms like Kubernetes. This approach enables greater flexibility, scalability, and agility in deploying and managing applications. While application servers have been widely used in traditional application architectures, they are not a characteristic feature of Cloud Native architectures. Cloud Native architectures focus on containerization, declarative APIs, immutable infrastructure, and service meshes to enable efficient and scalable deployment and management of applications.
NEW QUESTION # 114
You need to push a new Docker container image to a repository in the Oracle Cloud Infrastructure (OCI) Registry. Which mechanism must you use to provide authentication?
Answer: A
Explanation:
To push a new Docker container image to a repository in OCI Registry, you need to use an Auth Token to complete the authentication via the Docker CLI1. An Auth Token is a secure, auto-generated password that you can use to authenticate with OCI services such as OCI Registry1. You can generate an Auth Token in the Console by following these steps1:
* In the top-right corner of the Console, open the Profile menu and then click User settings to view the details.
* On the Auth Tokens page, click Generate Token.
* Enter a friendly description for the auth token. Avoid entering confidential information.
* Click Generate Token. The new auth token is displayed.
* Copy the auth token immediately to a secure location from where you can retrieve it later, because you won't see the auth token again in the Console.
* Close the Generate Token dialog. After generating an Auth Token, you need to log in to OCI Registry by entering docker login < region-key > .ocir.io in a terminal window on the client machine running Docker, where < region-key > corresponds to the key for the OCI Registry region you're using1. When prompted for a username, enter your username in the format < tenancy-namespace > / < username > , where < tenancy-namespace > is the auto-generated Object Storage namespace string of your tenancy1. When prompted for a password, enter the Auth Token you copied earlier1.
NEW QUESTION # 115
You have two microservices, A and B running in production. Service A relies on APIs from service B. You want to test changes to service A without deploying all of its dependencies, which includes service B. Which approach should you take to test service A?
Answer: C
Explanation:
The correct answer is: Test using an API mock of service B. To test service A without deploying all of its dependencies, including service B, you can use an API mock of service B. An API mock is a simulated version of the API that mimics the behavior of the actual service. By using an API mock, you can isolate the testing of service A and simulate the responses and behavior of service B ' s APIs. With an API mock, you can define the expected responses and behavior of service B ' s APIs, allowing you to test the integration between service A and the mocked version of service B. This approach enables you to verify the functionality of service A without relying on the availability or changes in the actual service B. By decoupling the dependencies and using an API mock, you can perform independent testing of service A, ensuring its functionality in isolation.
NEW QUESTION # 116
Your company requires strict compartment isolation for an event-driven automation framework. You have deployed an Oracle Functions function inside a secure compartment named SecOps-Fn-Compartment. An OCI Events rule has been configured in a separate compartment named App-Resources-Compartment to capture critical resource state changes. Which configuration approach is required to allow the OCI Events service to successfully invoke your function?
Answer: B
Explanation:
OCI Events invokes configured action resources as a managed service rather than by assuming the identity of the human user who created the rule. Oracle ' s Events material documents the service principal cloudEvents and the policy pattern allowing that service to use functions-family. Scoping that permission to the compartment containing the target Function provides the required compartment isolation. A dynamic group is inappropriate because an Events rule is not a Compute instance or workload principal. Granting permissions to oraclefunctions reverses the invocation relationship, while granting a user group broad function- management rights does not authorize the Events runtime itself. Current Oracle documentation additionally represents cross-tenancy delivery using an eventrule principal and FN_INVOCATION; within the source scenario, B is the intended service authorization model.
NEW QUESTION # 117
Your organization has mandated that all deployed container images used for microservices must be signed by a specified master encryption key (MEK). You have appropriately signed the container images as part of your build process, but must now ensure that they are automatically verified when they are deployed to Oracle Cloud Infrastructure (OCI) Container Engine for Kubemetes (OKE) clusters. Which option should be used to mandate image verification when deploying to OKE clusters, assuming that MEK is already stored in an available OCI Vault? (Choose the best answer.)
Answer: B
Explanation:
To mandate image verification when deploying container images to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) clusters, you should enable image verification policies separately for each OKE cluster. This is enforced at the cluster level. Enabling image verification policies at the cluster level ensures that all container images deployed to the OKE cluster are automatically verified against the specified master encryption key (MEK). This helps maintain the security and integrity of the deployed microservices by ensuring that only signed and trusted container images are used. Enabling image verification policies at the cluster level allows for consistent and centralized enforcement of the verification process across all nodes and node pools within the cluster. It provides a standardized approach to image verification for the entire cluster, simplifying management and ensuring compliance with the organization ' s mandate. Enabling image verification policies separately for each node pool or at the pod level would introduce complexity and potential inconsistencies in the verification process. Therefore, enforcing image verification at the cluster level is the recommended approach.
NEW QUESTION # 118
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