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Oracle 1z0-1084-26 Exam Syllabus Topics:

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

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                                    Oracle Cloud Infrastructure Developer Professional Sample Questions (Q48-Q53):

                                    NEW QUESTION # 48
                                    You are writing a script to automate operational reports and need to extract custom aggregated CPU utilization metrics for a set of compute instances within your compartment. Which OCI CLI command should you run to retrieve this aggregated metric data from the OCI Monitoring service?

                                    Answer: C

                                    Explanation:
                                    The correct command is oci monitoring metric-data summarize-metrics-data. Oracle defines this operation specifically for retrieving aggregated metric data that matches a Monitoring Query Language (MQL) expression. The command accepts parameters including the compartment OCID, metric namespace, and -- query-text, which can contain expressions such as CpuUtilization[1m].mean(). The post operation performs the opposite function: it publishes custom metric data into OCI Monitoring rather than retrieving it. query and retrieve are not valid subcommands under oci monitoring metric-data. Therefore, when an automation script must obtain aggregated CPU utilization or another metric series from Monitoring, summarize-metrics-data is the documented OCI CLI operation.


                                    NEW QUESTION # 49
                                    In the shared responsibility model, who should perform patching, upgrading, and maintaining of the worker nodes in provisioned Oracle Container Engine for Kubernetes (OKE) clusters?

                                    Answer: B

                                    Explanation:
                                    In the shared responsibility model, Oracle is responsible for securing the underlying cloudinfrastructure and platform services, while customers are responsible for securing theirdata and applications within the cloud4. For provisioned OKE clusters, Oracle manages the control plane (master nodes) of the Kubernetes cluster, while customers manage the data plane (worker nodes) of the cluster5. Therefore, it is the responsibility of the customer to perform patching, upgrading, and maintaining of the worker nodes in provisioned OKE clusters5. Customers can use tools such as Terraform or kubectl to automate these tasks5.


                                    NEW QUESTION # 50
                                    Which term describes an individual set of aggregated data for a metric with zero or more dimension values in the Oracle Cloud Infrastructure (OCI) Monitoring service?

                                    Answer: A

                                    Explanation:
                                    Oracle Monitoring formally defines ametric streamas an individual set of aggregated data for a metric with zero or more dimension values. Different dimension combinations create distinct streams. For example, CPU utilization emitted for two separate Compute instance OCIDs can constitute two separate metric streams because the resourceId dimension differs. A metric namespace identifies the service or application emitting the metrics, such as oci_computeagent. A datapoint is an individual timestamped value within a metric stream. Oracle also uses the term metric group for limit calculations, defining it as the combination of a metric, namespace, and tenancy; that is different from the dimension-specific time-series data described in the question. Therefore, option A exactly matches Oracle ' s documented Monitoring terminology.


                                    NEW QUESTION # 51
                                    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: B


                                    NEW QUESTION # 52
                                    Your organization has mandated strict IAM policy isolation for microservices accessing an Oracle Cloud Infrastructure (OCI) Queue named payment-queue in a compartment named prod-payment-compartment. A producer microservice deployed on an OCI Compute instance needs to publish transaction messages into the queue, but corporate security dictates that this microservice must not have permission to view queue configurations, delete queues, or read/consume messages. You have created a dynamic group named payment- producer-dg that contains the Compute instance hosting the producer microservice.
                                    Which IAM policy statement must you write to satisfy this security requirement with the least privilege?

                                    Answer: B

                                    Explanation:
                                    OCI Queue exposes separate IAM resource types specifically to enforce producer/consumer separation.
                                    Oracle documents queue-push for producers and queue-pull for consumers. The policy Allow dynamic-group payment-producer-dg to use queue-push in compartment prod-payment-compartment grants only QUEUE_PRODUCE, which covers the PutMessages API operation. It does not grant GetMessages, DeleteMessage, queue configuration reads, or queue administration. By comparison, use queues is broader because the general queues resource type includes read, update, produce, and consume capabilities. queue- pull provides consumer permissions rather than producer permissions, and manage queue-push is not the correct permission model for this specialized resource type. Therefore, A precisely implements least-privilege publishing for the producer microservice.


                                    NEW QUESTION # 53
                                    ......

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