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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Leveraging Serverless Technologies for Cloud Native Development | 33% | - API-driven architectures using API Gateway - Event-driven architecture with OCI Events, Streaming, and Queue - Oracle Functions development and management |
| Topic 2: Cloud Native Applications and Containerization | 33% | - Building containerized applications with Docker - Deployment and management with Oracle Kubernetes Engine (OKE) - Oracle Container Registry (OCIR) usage |
| Topic 3: Testing and Securing Cloud Native Applications | 13% | - Secrets management with OCI Vault - Testing strategies and secure deployment configurations - Application security best practices |
| Topic 4: Cloud Native Fundamentals | 11% | - Cloud-native principles and microservices architecture - DevOps concepts and CI/CD workflows - OCI developer services and tools overview |
| Topic 5: Monitoring & Troubleshooting Cloud Native Applications | 10% | - Application performance monitoring and tracing - Troubleshooting containerized and serverless workloads - Centralized logging and metrics collection |
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NEW QUESTION # 21
You deployed a Python application to an Oracle Container Engine for Kubernetes (OKE) cluster. However, while testing you found a bug, which you rectified and then created a new Docker image. You now need to ensure that if this new image does not work once deployed, you should be able to roll back to the previous version. Using kubect1, which strategy should you use?
Answer: D
Explanation:
A rolling update is a deployment strategy that gradually replaces the old version of an application with the new version without any downtime4. OKE supports rolling updates by using the kubectl rollout command4. A rolling update allows you to roll back to the previous version if something goes wrong with the new version4.
Therefore, using a rolling update strategy with kubectl ensures that you can roll back to the previous version of your Python application if the new image does not work once deployed.Verified References: Deploy Oracle Container Engine for Kubernetes
NEW QUESTION # 22
You are building a cloud native serverless travel application with multiple Oracle Functions in Java, Python, and Node.js. You need to build and deploy these functions to a single application named travel-app. Which command will help you complete this task successfully?
Answer: A
Explanation:
The correct answer is: fn deploy --app travel-app --allExplanation: To build and deploy multiple Oracle Functions as part of a single application named " travel-app, " you can use the fn deploy command with the appropriate options. The command fn deploy --app travel-app --all is the correct syntax. Here ' s what each part of the command does: fn deploy: This command is used to deploy functions and applications in Oracle Functions. --app travel-app: This option specifies the application name as " travel-app, " indicating that you want to deploy functions to this application. --all: This option indicates that you want to deploy all the functions within the application. By using fn deploy --app travel-app --all, you can build and deploy all the functions in your travel application across different programming languages (Java, Python, and Node.js) to the " travel-app " application in Oracle Functions.
NEW QUESTION # 23
Which credential type is required to act as the password when authenticating the Docker CLI to Oracle Cloud Infrastructure Registry?
Answer: D
Explanation:
Oracle Container Registry requires an OCI Auth Token when Docker prompts for the password during docker login. Oracle explicitly documents that the user first generates an auth token under the OCI user profile, then supplies the tenancy namespace and username as the Docker username and the auth token as the password. A Console password is intended for interactive OCI Console authentication and is not the Docker Registry credential. API signing keys authenticate signed OCI API requests used by the CLI, SDKs, and related tools, while Customer Secret Keys are associated with Object Storage compatibility APIs. Consequently, the programmatic credential designed specifically to serve as the Docker Registry password is the OCI Auth Token.
NEW QUESTION # 24
Which resolution rule does an Oracle Cloud Infrastructure API Gateway apply when determining the routing target for an incoming request that matches multiple overlapping route paths within a deployment?
Answer: B
Explanation:
The Word source identifiesLongest path matchas the answer, meaning the more specific matching route takes precedence when a request could satisfy multiple path patterns. This is consistent with the general routing principle that more specific path patterns take precedence over broader prefixes. Oracle ' s current OCI API Gateway documentation confirms that deployment routes are defined using URL path patterns and that path parameters and wildcard segments can be used for matching requests to backends. However, the currently published OCI API Gateway pages retrieved for verification do not explicitly state a universal "longest path match" precedence rule for overlapping deployment routes. Therefore, C is the answer recorded in the supplied source, but this particular rule is not stated verbatim in the current OCI API Gateway documentation located during verification.
NEW QUESTION # 25
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: C
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 # 26
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