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Oracle 1z0-1084-26 Exam Syllabus Topics:

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

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q164-Q169):

                                                        NEW QUESTION # 164
                                                        Your team has been tasked with debugging a Cloud Native application developed using the following Oracle Cloud Infrastructure (OCI) services: Object Storage, Events, Functions, API Gateway, and Autonomous Database. Which of these is NOT a valid option for troubleshooting issues in OCI? (Choose the best answer.)

                                                        Answer: B

                                                        Explanation:
                                                        To troubleshoot issues in OCI, the option that is not valid is: Trace performance issues in the Application Performance Monitoring service by enabling Function traces. While the Application Performance Monitoring service in OCI allows you to monitor and trace the performance of your applications, it is specifically designed for monitoring OCI Functions (serverless functions) and does not directly apply to all types of applications. The other options mentioned, such as configuring logs in the OCI Logging service, leveraging OCI Cloud Guard for debug logs, viewing service metrics in the OCI Monitoring service, and using OCI Service Connector Hub for log forwarding, are valid options for troubleshooting and monitoring applications in OCI.


                                                        NEW QUESTION # 165
                                                        Which configuration parameter defines the duration a message remains inside an Oracle Cloud Infrastructure (OCI) Queue before being automatically deleted by the service if it is not consumed?

                                                        Answer: D

                                                        Explanation:
                                                        Themaximum retention perioddefines the total amount of time OCI Queue retains a message before automatically deleting it if a consumer has not removed it. Oracle currently allows this value to be configured from 10 seconds through seven days, with a default of one day. Visibility timeout serves a different purpose:
                                                        after a consumer retrieves a message, it temporarily hides that message from other consumers. Maximum delivery attempts controls how many unsuccessful delivery cycles can occur before a message is moved to the dead letter queue. Polling timeout determines how long a consumer request waits for messages to become available. Therefore, only the maximum retention period controls the overall lifetime of an unremoved message in OCI Queue.


                                                        NEW QUESTION # 166
                                                        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: D

                                                        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 # 167
                                                        Which TWO statements are true for serverless computing and serverless architectures? (Choose two.)

                                                        Answer: C,E

                                                        Explanation:
                                                        The two true statements for serverless computing and serverless architectures are: Applications running on a FaaS (Functions as a Service) platform: Serverless architectures typically involve running code in the form of functions on a serverless platform. These functions are event-driven and executed in response to specific triggers or events. Serverless function execution is fully managed by a third party: In serverless computing, the cloud provider takes care of the infrastructure management and resource provisioning. The execution of serverless functions is handled automatically by the platform, relieving developers from the responsibility of managing servers or infrastructure. It ' s important to note that long running tasks are not typically suited for serverless architectures due to the event-driven nature of serverless functions. Also, while serverless functions may have state, it is recommended to avoid external storage dependencies and instead leverage stateless functions whenever possible. Additionally, scaling in serverless architectures is typically handled automatically by the platform, rather than being the responsibility of the application DevOps team.


                                                        NEW QUESTION # 168
                                                        You have just finished building and compiling the software required to implement the API microservice component. You need to rebuild the API docker image, and plan to tag it as: ocIdevops/api:latest Which docker command would re-create the API docker image?

                                                        Answer: A

                                                        Explanation:
                                                        The correct command to rebuild the API docker image and tag it as OCIdevops/api:latest is: docker build -t OCIdevops/api:latest The docker build command is used to build a Docker image from a Dockerfile. The -t flag is used to specify the name and optionally a tag for the image. In this case, the name of the image is OCIdevops/api and the tag is latest. By running this command, the Docker image will be recreated based on the instructions in the Dockerfile and tagged with the specified name and tag.


                                                        NEW QUESTION # 169
                                                        ......

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