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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cloud Native Applications and Containerization33%- Docker and Containerization
  • 1. Containerization concepts
    • 2. Docker architecture and components
      - Container Orchestration
      • 1. Deploy containerized applications on Oracle Kubernetes Engine
        • 2. Role of container orchestration
          - Oracle Cloud Infrastructure Registry
          • 1. Pull container images from OCIR
            • 2. Push container images to OCIR
              Topic 2: Monitoring and Troubleshooting Cloud Native Applications10%- Monitoring, Logging, and Tracing
              • 1. Perform monitoring, logging, and tracing tasks
                • 2. Troubleshoot cloud native applications
                  - OCI Logging
                  • 1. Enable and manage logs
                    • 2. Search and analyze logs
                      - OCI Monitoring
                      • 1. Use OCI Monitoring to view metrics
                        Topic 3: Cloud Native Fundamentals11%- Microservices Architecture
                        • 1. Microservices design methodology
                          • 2. Microservices architecture
                            - Cloud Native Principles
                            • 1. Key pillars of cloud native development
                              • 2. Fundamentals of cloud native development
                                Topic 4: Testing and Securing Cloud Native Applications13%- Cloud Native Security
                                • 1. Manage sensitive configuration information
                                  • 2. Use OCI Vault to securely manage encryption keys
                                    • 3. Apply security measures for cloud native development
                                      - Cloud Native Testing
                                      • 1. Testing strategies for cloud native applications
                                        • 2. Cloud native testing methodologies
                                          Topic 5: Leveraging Serverless Technologies for Cloud Native Development33%- Oracle Functions
                                          • 1. Develop serverless applications with Oracle Functions
                                            - API Gateway
                                            • 1. Route API traffic to backend services
                                              • 2. Process traffic from API clients
                                                - OCI Events
                                                • 1. Build event-driven serverless applications
                                                  - OCI Streaming
                                                  • 1. Use streaming for serverless and managed application architectures
                                                    • 2. Integrate systems using OCI Streaming
                                                      - OCI Queue
                                                      • 1. Implement asynchronous messaging for microservices

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q15-Q20):

                                                        NEW QUESTION # 15
                                                        You have a containerized application that requires access to an Autonomous Transaction Processing (ATP) Database. Which option is NOT valid when the container is deployed in an OKE cluster? (Choose the best answer.)

                                                        Answer: B

                                                        Explanation:
                                                        The option that is not valid for connecting to an Autonomous Transaction Processing (ATP) Database from a container in Kubernetes is: Install the Oracle Cloud Infrastructure Service Broker on the Kubernetes cluster and deploy ServiceInstance and ServiceBinding resources for ATP. Then use the specified binding name as a volume in the application deployment manifest. The Oracle Cloud Infrastructure Service Broker is not used for connecting to an ATP Database from a container in Kubernetes. The Service Broker is used for provisioning and managing cloud services directly from Kubernetes. It allows you to create and manage instances of OCI services using Kubernetes resources like ServiceInstance and ServiceBinding. To connect to an ATP Database from a container in Kubernetes, you can use one of the following valid options: Enable Oracle REST Data Services for the required schemas and connect via HTTPS. This involves enabling and configuring Oracle REST Data Services (ORDS) for the schemas in the ATP Database. You can then connect to the ATP Database using RESTful endpoints provided by ORDS. Use Kubernetes secrets to configure environment variables on the container with ATP instance OCID and OCI API credentials. Then use the CreateConnection API endpoint from the service runtime. This approach involves configuring the necessary environment variables on the container to provide the ATP instance OCID and OCI API credentials. The application can then use the OCI SDK or REST API (such as the CreateConnection endpoint) to establish a connection to the ATP Database. Create a Kubernetes secret with contents from the instance Wallet files. Use this secret to create a volume mounted to the appropriate path in the application deployment manifest. This method involves creating a Kubernetes secret that contains the necessary credentials from the ATP Database ' s instance wallet files. The secret can then be mounted as a volume in the application deployment, allowing the application to access the required credentials for connecting to the ATP Database. Both options 1 and 3 provide valid approaches for connecting to an ATP Database from a container in Kubernetes, depending on the specific requirements and preferences of the application.


                                                        NEW QUESTION # 16
                                                        When utilizing the OCI Monitoring PostMetricData API to publish custom metrics, what is the default batch atomicity behavior applied to input validation for the metric objects?

                                                        Answer: A

                                                        Explanation:
                                                        Oracle explicitly defines the default batchAtomicity setting for PostMetricData asNON_ATOMIC. With NON_ATOMIC validation, at least one metric object in the request must pass validation for valid metric objects to be accepted. Individual objects that fail validation are rejected and identified in the returned summary with their associated errors. By comparison, ATOMIC requires every metric object in the batch to pass validation; if one object fails, the whole request fails validation. PARTIAL_COMMIT and TRANSACTIONAL are not supported values for the batchAtomicity parameter. The supported enumeration consists of ATOMIC and NON_ATOMIC, with NON_ATOMIC being the documented default. Therefore, B accurately reflects OCI Monitoring ' s default custom-metric ingestion behavior.


                                                        NEW QUESTION # 17
                                                        You have built a local container image named order-processor:1.0 and need to push it to a repository named order-services in your Phoenix region (phx) tenancy, which has the Object Storage namespace ax39m19vpw.
                                                        Which command must you run to properly tag the local image before pushing it to Container Registry?

                                                        Answer: B

                                                        Explanation:
                                                        OCI Container Registry requires the destination image tag to use the structure < region-key > .ocir.io/ < tenancy-namespace > / < repository-name > : < tag > . For Phoenix, the region key is phx; the supplied tenancy namespace is ax39m19vpw; the repository is order-services; and the image tag is 1.0. Combining these values produces phx.ocir.io/ax39m19vpw/order-services:1.0. Oracle ' s current container documentation provides the same docker tag structure before an image is pushed to OCIR. The alternative commands incorrectly reorder the namespace and registry host or use an unsupported registry hostname format.
                                                        Therefore, option A correctly retags the local order-processor:1.0 image with the fully qualified OCIR repository path required for the subsequent docker push.


                                                        NEW QUESTION # 18
                                                        Which is NOT a valid option to execute a function deployed in Oracle Functions?

                                                        Answer: C

                                                        Explanation:
                                                        The correct answer is: Invoke from the Docker CLI.Explanation: Executing a function deployed in Oracle Functions is typically done using the following options: Invoke from the Fn Project CLI: The Fn Project CLI provides a command-line interface specifically designed for interacting with Oracle Functions. You can use commands like fn invoke to invoke a function. Trigger by an event in the Oracle Cloud Infrastructure (OCI) Events service: You can configure events in OCI to trigger your function based on various criteria, such as object storage events, resource state changes, or scheduled events. Invoke from the OCI CLI: The OCI CLI (Command Line Interface) allows you to interact with various services in Oracle Cloud Infrastructure, including Oracle Functions. You can use the fn invoke command to invoke a function. Send signed HTTP requests to the function ' s invoke endpoint: Oracle Functions provides an HTTP endpoint that can be used to invoke functions. You can send signed HTTP requests to this endpoint using tools or programming languages that support making HTTP requests. On the other hand, invoking a function deployed in Oracle Functions using the Docker CLI is not a valid option. The Docker CLI is primarily used for managing Docker containers and images, and it does not provide a direct mechanism for invoking functions in Oracle Functions.


                                                        NEW QUESTION # 19
                                                        Which industry standard specification defines the structure and format of messages processed by the Oracle Cloud Infrastructure Events service?

                                                        Answer: D

                                                        Explanation:
                                                        OCI Events messages follow theCloudEventsindustry-standard event-envelope format hosted by the Cloud Native Computing Foundation. Oracle ' s Events documentation explicitly states that every event message includes an envelope and payload and that the envelope structure follows the CloudEvents specification.
                                                        Standard OCI event fields include cloudEventsVersion, eventID, eventType, eventTime, contentType, extensions, and data. CloudEvents provides a consistent representation for describing event data across services and platforms, improving interoperability in event-driven architectures. AsyncAPI is primarily a specification for describing asynchronous APIs rather than the OCI Events message envelope itself.
                                                        "Webhooks v2" and "OpenMessage" are not the standards Oracle identifies for OCI Events message structure. Therefore, A is directly supported by Oracle documentation.


                                                        NEW QUESTION # 20
                                                        ......

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