1z0-1084-26 Exam Tests & 1z0-1084-26 Learning Engine

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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Cloud Native Applications and Containerization33%- Docker and Containerization
  • 1. Explain Docker and the concepts around its architecture and components
    - Oracle Kubernetes Engine
    • 1. Develop and deploy containerized applications on Oracle Kubernetes Engine
      - OCI Registry
      • 1. Use OCI Registry to pull and push container images
        - Container Orchestration
        • 1. Discuss the role of container orchestration
          Cloud Native Fundamentals11%- Microservices Architecture
          • 1. Explain the microservices architecture and discuss the design methodology of microservices
            - Cloud Native Principles
            • 1. Explain the fundamentals of cloud native and discuss the key pillars of cloud native development
              Monitoring & Troubleshooting Cloud Native Applications10%- OCI Logging
              • 1. Use OCI Logging Service to enable, manage, and search logs
                - OCI Monitoring
                • 1. Utilize OCI Monitoring Service to view metrics
                  - Monitoring, Logging, and Tracing
                  • 1. Perform tasks around monitoring, logging, and tracing
                    Leveraging Serverless Technologies for Cloud Native Development33%- OCI Streaming
                    • 1. Create integration between systems using OCI Streaming Service
                      - API Gateway
                      • 1. Create API gateways to process traffic from API clients and route it to back-end services
                        - Oracle Functions
                        • 1. Develop serverless applications with Oracle Functions
                          - OCI Queue
                          • 1. Facilitate asynchronous messaging for microservices with OCI Queue
                            - OCI Events
                            • 1. Build event-driven serverless applications using OCI Events Service
                              Testing and Securing Cloud Native Applications13%- Cloud Native Security
                              • 1. Apply security measures to overcome challenges with cloud native development
                                - Cloud Native Testing
                                • 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications
                                  - OCI Vault
                                  • 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information

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                                    1z0-1084-26 Learning Engine & 1z0-1084-26 Test Objectives Pdf

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                                    Oracle Cloud Infrastructure Developer Professional Sample Questions (Q103-Q108):

                                    NEW QUESTION # 103
                                    You have been asked to update an OKE cluster to a network configuration that has the least attack surface while the deployed applications are still directly available for access from the Internet. Which is a valid OKE cluster network configuration that meets this requirement? (Choose the best answer.)

                                    Answer: B

                                    Explanation:
                                    The valid OKE cluster network configuration that meets the requirement of having the least attack surface while still allowing direct access to the deployed applications from the Internet is: Private subnets for nodes and the Kubernetes API endpoint; public subnets for load balancers. By placing the nodes and the Kubernetes API endpoint in private subnets, they are not directly accessible from the Internet, reducing the attack surface.
                                    The load balancers, on the other hand, are placed in public subnets, allowing them to be accessed from the Internet and serve as the entry point for accessing the deployed applications. This configuration ensures that the critical components of the cluster, such as the nodes and the API endpoint, are protected within the private network, while still providing accessibility to the applications through the load balancers. It helps to enhance security by limiting direct access to the internal components of the cluster while maintaining the availability of the deployed applications.


                                    NEW QUESTION # 104
                                    You plan to implement logging in your services that will run in Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE). Which statement describes the appropriate logging approach?

                                    Answer: C

                                    Explanation:
                                    The appropriate logging approach for services running in Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) is: " All services log to standard output only. " When running services in a containerized environment like OKE, it is recommended to follow the Twelve-Factor App methodology, which suggests treating logs as event streams. According to this methodology, services should write their log events to standard output (stdout) instead of writing to log files. By logging to standard output, the container runtime (such as Kubernetes) can collect and aggregate the logs generated by the services. These logs can then be accessed and managed through the container runtime ' s logging infrastructure. Logging to standard output offers several advantages in a containerized environment: Simplicity and consistency: Standardizing on logging to stdout ensures a consistent approach across different services, making it easier to manage and analyze logs. Log aggregation: The container runtime can collect the logs from all the running containers and provide centralized log management, allowing you to access and search logs from different services in one place. Scalability: Since logs are written to stdout, they can be easily handled by the container runtime ' s log management system, which can scale to handle large volumes of log data. Separation of concerns: By logging to stdout, the responsibility of managing log files and their rotation is shifted to the container runtime, allowing the services to focus on their core functionality. While it is possible to log to log files or external logging systems, the recommended approach in a containerized environment like OKE is to log to standard output and leverage the logging infrastructure provided by the container runtime.


                                    NEW QUESTION # 105
                                    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 # 106
                                    You are configuring a deployment script running in an OCI Compute Instance that needs to retrieve database credentials stored in OCI Vault. Which OCI CLI command should your script execute to retrieve the secret bundle containing the credentials?

                                    Answer: C

                                    Explanation:
                                    Oracle separates secret-management operations from retrieval of secret contents. The current OCI CLI command for retrieving a secret bundle is oci secrets secret-bundle get --secret-id < secret_id > . If no specific version, stage, or version name is supplied, Oracle returns the bundle associated with the secret version marked CURRENT. The secrets data-plane command retrieves the actual secret bundle, including its encoded content and version properties. The alternative command paths shown in A, C, and D do not represent the documented OCI CLI operation for obtaining secret contents. Oracle ' s current Secrets Management documentation provides the same command directly when describing how applications and administrators retrieve a secret ' s contents. Therefore, option B is the exact verified command.


                                    NEW QUESTION # 107
                                    As a cloud-native developer, you are designing an application that depends on Oracle Cloud Infrastructure (OCI) Object Storage wherever the application is running. Therefore, provisioning of storage buckets should be part of your Kubernetes deployment process for the application. Which of the following should you leverage to meet this requirement? (Choose the best answer.)

                                    Answer: B

                                    Explanation:
                                    To provision storage buckets as part of your Kubernetes deployment process for an application that depends on Oracle Cloud Infrastructure (OCI) Object Storage, you should leverage the OCI Service Broker for Kubernetes. OCI Service Broker for Kubernetes enables you to provision and manage OCI resources, including Object Storage buckets, directly from Kubernetes. It provides a Kubernetes-native experience for managing OCI services, allowing you to define and manage OCI resources as part of your application deployment process. By using the OCI Service Broker for Kubernetes, you can define the required Object Storage buckets in your Kubernetes manifests, and the service broker will handle the provisioning and management of those buckets in OCI, ensuring that they are available for your application wherever it is running.


                                    NEW QUESTION # 108
                                    ......

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