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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Testing and Securing Cloud Native Applications | 13% | - Application security best practices - Secrets management with OCI Vault - Testing strategies and secure deployment configurations |
| Topic 2: Monitoring & Troubleshooting Cloud Native Applications | 10% | - Centralized logging and metrics collection - Application performance monitoring and tracing - Troubleshooting containerized and serverless workloads |
| Topic 3: Cloud Native Fundamentals | 11% | - Cloud-native principles and microservices architecture - OCI developer services and tools overview - DevOps concepts and CI/CD workflows |
| Topic 4: Leveraging Serverless Technologies for Cloud Native Development | 33% | - API-driven architectures using API Gateway - Oracle Functions development and management - Event-driven architecture with OCI Events, Streaming, and Queue |
| Topic 5: Cloud Native Applications and Containerization | 33% | - Building containerized applications with Docker - Deployment and management with Oracle Kubernetes Engine (OKE) - Oracle Container Registry (OCIR) usage |
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NEW QUESTION # 116
A Docker image consists of one or more layers, each of which represents a Dockerfile instruction. The layers are stacked and each one is a delta of the changes from the previous layer. What permission is associated with these layers?
Answer: B
Explanation:
The correct answer is: " read only. " The layers of a Docker image are read-only. Once a layer is created, it cannot be modified. Each layer represents a Dockerfile instruction, and it is stacked on top of the previous layer, forming a stack of immutable layers. These layers are designed to be read-only to ensure consistency and integrity of the image. When a Docker image is built, each instruction in the Dockerfile creates a new layer. Each layer represents the changes made by that instruction relative to the previous layer. The layers are stacked on top of each other to form the complete image. This layer-based approach allows for efficient storage and distribution of Docker images. Because the layers are read-only, any changes or modifications to the image result in the creation of new layers rather than modifying the existing ones. This immutability ensures that each layer remains intact and preserves the integrity of the image. It also enables Docker ' s caching mechanism, where previously built layers can be reused if the corresponding instructions haven ' t changed, speeding up the image build process. The other options mentioned, such as " write only, " " write once, " " movable, " and " read mostly, " do not accurately describe the permission associated with Docker image layers. Docker image layers are specifically designed to be read-only.
NEW QUESTION # 117
Which credential type is required to act as the password when authenticating the Docker CLI to Oracle Cloud Infrastructure Registry?
Answer: C
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 # 118
Which matching behavior occurs when an Oracle Cloud Infrastructure (OCI) Events rule condition defines an attribute value containing only a single asterisk (*) wildcard?
Answer: D
Explanation:
Oracle ' s Events filtering documentation explicitly defines the behavior of a standalone asterisk wildcard.
When an attribute value consists only of *, it matchesall values for that attribute except null. The field must therefore exist and contain a non-null value for the rule condition to match. Oracle permits wildcard characters only in attribute values, and an asterisk can otherwise appear at the beginning, middle, or end of a value pattern. It is not interpreted as a literal asterisk in this context, nor is it restricted to matching empty strings. Option A is incorrect because null values are excluded. Therefore, option B precisely reflects Oracle ' s documented Events rule wildcard semantics.
NEW QUESTION # 119
A developer using Oracle Cloud Infrastructure (OCI) API Gateway needs to authenticate the API requests to their web application. The authentication process must be implemented using a custom scheme which accepts string-based parameters from the API caller. Which approach should the developer use in this scenario?
Answer: A
Explanation:
In the given scenario, the developer should use the approach of creating an authorizer function using token- based authorization. Token-based authorization is a commonly used approach for authenticating API requests.
It involves generating and issuing tokens to API callers, which they can then include in the requests they make to the API. The tokens serve as proof of authentication and are validated by the server to ensure the caller ' s identity and access rights. By creating an authorizer function using token-based authorization, the developer can implement a custom scheme that accepts string-based parameters from the API caller. This allows the developer to define their own authentication logic and validate the provided tokens according to their requirements. The authorizer function can be configured in the OCI API Gateway to be invoked before forwarding the request to the web application. It will perform the necessary token validation and authentication checks, allowing only authorized requests to access the protected resources of the web application.
NEW QUESTION # 120
Which two " Action Type " options are NOT available in an Oracle Cloud Infrastructure (OCI) Events rule definition? (Choose two.)
Answer: A,B
Explanation:
The two " Action Type " options that are NOT available in an Oracle Cloud Infrastructure (OCI) Events rule definition are: Email (Correct) Slack (Correct) The available " Action Type " options in OCI Events rule definition include Functions, Notifications, and Streaming. However, email and Slack are not directly supported as action types in OCI Events. Instead, you can use Notifications to send notifications to various notification channels, including email and Slack, through the OCI Notifications service.
NEW QUESTION # 121
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