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Oracle 1z0-1084-26 Exam Syllabus Topics:

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

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q146-Q151):

                                                        NEW QUESTION # 146
                                                        A service you are deploying to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) uses a docker image from a private repository in OCI Registry (OCIR). Which configuration is necessary to provide access to this repository from OKE?

                                                        Answer: A

                                                        Explanation:
                                                        The necessary configuration to provide access to a private repository in OCI Registry (OCIR) from OCI Container Engine for Kubernetes (OKE) is to create a docker-registry secret for OCIR with an identity Auth Token on the cluster and specify the imagePullSecret property in the application deployment manifest. Here ' s the breakdown of the steps: Create a docker-registry secret for OCIR with an identity Auth Token: In order to authenticate with the private repository in OCIR, you need to create a secret in your OKE cluster that contains the necessary credentials. This can be done by generating an identity Auth Token from the OCI Console and creating a secret in the cluster using the kubectl command. Specify the imagePullSecret property in the application deployment manifest: In your application ' s deployment manifest (such as a Kubernetes Deployment or StatefulSet YAML file), you need to include the imagePullSecret property and specify the name of the secret you created in the previous step. This allows the OKE cluster to use the credentials from the secret to pull the docker image from the private repository in OCIR during deployment. By following these steps, you can ensure that your OKE cluster has the necessary access to the private repository in OCIR, and your application can successfully pull the required docker image during deployment.


                                                        NEW QUESTION # 147
                                                        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 # 148
                                                        You are designing the persistence layer for a multi-service financial application where each microservice must completely isolate its private persistent data to enforce a bounded context. Which database configuration strategy should you implement within a multi-tenant Oracle Database to satisfy this requirement with the lowest operational overhead?

                                                        Answer: A

                                                        Explanation:
                                                        Oracle specifically recommends the multitenant database model for microservices because multiple Pluggable Databases can reside within one Container Database while retaining logical isolation. Oracle ' s microservices architecture guidance identifies PDBs as a strong persistence choice forbounded-context isolation, security, and high availability. Allocating a PDB per microservice isolates that service ' s private database objects while avoiding the infrastructure and operational overhead of provisioning an entire VM database system for every service. Shared schemas or shared tables weaken service autonomy and create tight coupling between bounded contexts. Because a CDB can host multiple isolated PDBs while sharing common database infrastructure and administration, option B best combines isolation with operational efficiency.


                                                        NEW QUESTION # 149
                                                        Assuming that your function does NOT have the --provisioned-concurrency option enabled, which parameter is used to configure the time period during which an idle function will remain in memory before Oracle Functions removes its container image from memory?

                                                        Answer: B

                                                        Explanation:
                                                        Idle-timeout is the parameter that is used to configure the time period during which an idle function will remain in memory before Oracle Functions removes its container image from memory2. The idle-timeout parameter is specified in seconds and can be set when creating or updating a function2. The default value for idle-timeout is 30 seconds and the maximum value is 900 seconds (15 minutes)2. If a function has the -- provisioned-concurrency option enabled, the idle-timeout parameter is ignored and the function instances are always kept in memory3.Verified References: Creating Functions, Provisioned Concurrency


                                                        NEW QUESTION # 150
                                                        You are setting up OCI Application Performance Monitoring (APM) to trace transactions in a Spring Boot application. Which installer command should you execute to provision the APM Java Agent with its target application service name, destination directory, and credentials obtained from your APM domain?

                                                        Answer: C

                                                        Explanation:
                                                        Oracle APM documentation specifies the provision-agent operation for installing and configuring the APM Java Agent. Its mandatory arguments include -service-name, identifying the monitored service; -destination, specifying where the agent is provisioned; -private-data-key, using the installation key generated for the APM domain; and -data-upload-endpoint, identifying the domain ' s upload endpoint. Oracle provides essentially the same command structure as option D in its provisioning documentation. register-agent, install-agent, and configure-agent are not the documented provisioning subcommands, while the alternative parameter names such as -app-name, -upload-key, and -path do not match Oracle ' s mandatory syntax. Consequently, option D is the fully documented command.


                                                        NEW QUESTION # 151
                                                        ......

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