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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cloud Native Applications and Containerization33%- Docker and Containerization
  • 1. Docker architecture and components
    • 2. Containerization concepts
      - Oracle Cloud Infrastructure Registry
      • 1. Push container images to OCIR
        • 2. Pull container images from OCIR
          - Container Orchestration
          • 1. Deploy containerized applications on Oracle Kubernetes Engine
            • 2. Role of container orchestration
              Topic 2: Testing and Securing Cloud Native Applications13%- 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 Testing
                    • 1. Testing strategies for cloud native applications
                      • 2. Cloud native testing methodologies
                        Topic 3: Cloud Native Fundamentals11%- Microservices Architecture
                        • 1. Microservices architecture
                          • 2. Microservices design methodology
                            - Cloud Native Principles
                            • 1. Fundamentals of cloud native development
                              • 2. Key pillars of cloud native development
                                Topic 4: 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 5: Leveraging Serverless Technologies for Cloud Native Development33%- API Gateway
                                          • 1. Process traffic from API clients
                                            • 2. Route API traffic to backend services
                                              - Oracle Functions
                                              • 1. Develop serverless applications with Oracle Functions
                                                - OCI Queue
                                                • 1. Implement asynchronous messaging for microservices
                                                  - OCI Streaming
                                                  • 1. Use streaming for serverless and managed application architectures
                                                    • 2. Integrate systems using OCI Streaming
                                                      - OCI Events
                                                      • 1. Build event-driven serverless applications

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q49-Q54):

                                                        NEW QUESTION # 49
                                                        Which TWO are required to access the Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster from the kubectl CLI? (Choose two.)

                                                        Answer: A,C

                                                        Explanation:
                                                        The correct options are: A configured OCI API signing key pair: The API signing key pair is used for authentication and authorization to access OCI resources, including the OKE cluster. The private key should be configured on your local machine to authenticate API requests. An SSH key pair with the public key added to the cluster worker nodes: This is required for secure SSH access to the worker nodes in the OKE cluster.
                                                        You need to generate an SSH key pair and add the public key to the cluster ' s worker node pool during cluster creation or update. Therefore, the correct options are having a configured OCI API signing key pair and an SSH key pair with the public key added to the cluster worker nodes.


                                                        NEW QUESTION # 50
                                                        Which feature is typically NOT associated with Cloud Native?

                                                        Answer: B

                                                        Explanation:
                                                        The feature that is typically NOT associated with Cloud Native is " Application Servers. " Cloud Native architecture emphasizes lightweight, scalable, and containerized deployments, which often replace traditional monolithic application servers. Instead of relying on application servers, Cloud Native applications are typically deployed as containerized microservices that can be orchestrated and managed using container orchestration platforms like Kubernetes. This approach enables greater flexibility, scalability, and agility in deploying and managing applications. While application servers have been widely used in traditional application architectures, they are not a characteristic feature of Cloud Native architectures. Cloud Native architectures focus on containerization, declarative APIs, immutable infrastructure, and service meshes to enable efficient and scalable deployment and management of applications.


                                                        NEW QUESTION # 51
                                                        Your organization mandates that all containerized workloads deployed to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) must utilize Kubernetes NetworkPolicy resources, such as Calico, to enforce strict micro-segmentation of traffic. You have deployed these workloads to an enhanced OKE cluster using virtual node pools to minimize infrastructure maintenance. During testing, you discover that the Calico installation fails because NetworkPolicy resources and third-party CNI policy integrations are completely unsupported on this specific node configuration. How should you resolve this security implementation challenge while continuing to use VCN-Native Pod Networking?

                                                        Answer: B

                                                        Explanation:
                                                        Oracle explicitly states that virtual nodes do not support Kubernetes NetworkPolicy resources or network providers such as Calico and Cilium that provide NetworkPolicy enforcement. Virtual nodes support only OCI VCN-Native Pod Networking and cannot use Flannel or other third-party CNI plugins. By contrast, Calico can be installed with managed node pools while retaining VCN-native pod networking. This combination enables Kubernetes NetworkPolicy objects to enforce pod-level traffic controls and micro- segmentation. An IAM policy or network security list cannot substitute for Kubernetes NetworkPolicy because OCI network controls and Kubernetes pod policy enforcement operate at different layers. Therefore, when Calico-based NetworkPolicy enforcement is mandatory, migrating the workload from virtual nodes to managed node pools is the supported OKE architecture.


                                                        NEW QUESTION # 52
                                                        What can you use to dynamically make Kubernetes resources discoverable to public DNS servers? (Choose the best answer.)

                                                        Answer: A

                                                        Explanation:
                                                        To dynamically make Kubernetes resources discoverable to public DNS servers, you can use ExternalDNS.
                                                        ExternalDNS is a Kubernetes add-on that automates the management of DNS records for your Kubernetes services and ingresses. It can be configured to monitor the changes in your Kubernetes resources and automatically update DNS records in a supported DNS provider. By integrating ExternalDNS with your Kubernetes cluster, you can ensure that the DNS records for your services and ingresses are automatically created, updated, or deleted based on changes in your Kubernetes resources. This allows your Kubernetes resources to be discoverable by external systems through public DNS servers.


                                                        NEW QUESTION # 53
                                                        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: D

                                                        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 # 54
                                                        ......

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