Certified 1z0-1084-26 Questions | Certification 1z0-1084-26 Questions

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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Testing and Securing Cloud Native Applications13%- Cloud Native Testing
  • 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications
    - Cloud Native Security
    • 1. Apply security measures to overcome challenges with cloud native development
      - OCI Vault
      • 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information
        Topic 2: Leveraging Serverless Technologies for Cloud Native Development33%- API Gateway
        • 1. Create API gateways to process traffic from API clients and route it to back-end services
          - OCI Events
          • 1. Build event-driven serverless applications using OCI Events Service
            - OCI Queue
            • 1. Facilitate asynchronous messaging for microservices with OCI Queue
              - Oracle Functions
              • 1. Develop serverless applications with Oracle Functions
                - OCI Streaming
                • 1. Create integration between systems using OCI Streaming Service
                  Topic 3: Cloud Native Applications and Containerization33%- Docker and Containerization
                  • 1. Explain Docker and the concepts around its architecture and components
                    - OCI Registry
                    • 1. Use OCI Registry to pull and push container images
                      - Oracle Kubernetes Engine
                      • 1. Develop and deploy containerized applications on Oracle Kubernetes Engine
                        - Container Orchestration
                        • 1. Discuss the role of container orchestration
                          Topic 4: Monitoring & Troubleshooting Cloud Native Applications10%- 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
                              - OCI Monitoring
                              • 1. Utilize OCI Monitoring Service to view metrics
                                Topic 5: 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

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                                    Oracle Cloud Infrastructure Developer Professional Sample Questions (Q136-Q141):

                                    NEW QUESTION # 136
                                    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 # 137
                                    Which security capability in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE) enables developers to scope IAM permissions at the individual service account level for application pods rather than the host Compute instances?

                                    Answer: A

                                    Explanation:
                                    OKE Workload Identity enables applications running in Kubernetes pods to receive fine-grained OCI IAM permissions based on their Kubernetes identity rather than inheriting broad permissions from the worker node.
                                    Oracle defines a workload identity using the combination of the OKE cluster, Kubernetes namespace, and Kubernetes service account. IAM policies can therefore restrict access to a specific workload using conditions such as request.principal.type= ' workload ' , request.principal.namespace, request.principal.service_account, and request.principal.cluster_id. Instance Principals grant identity to Compute instances, while Kubernetes RBAC controls access to Kubernetes resources rather than OCI services. Resource Principals apply to supported OCI resources but do not provide OKE ' s service-account-specific pod identity model. Thus, Workload Identity is the correct capability.


                                    NEW QUESTION # 138
                                    You are deploying a persistent stateful microservice to a Container Engine for Kubernetes (OKE) cluster running Kubernetes version 1.28. You configure a PersistentVolumeClaim (PVC) manifest but do not explicitly specify a value for the storageClassName property.
                                    Which storage class will OKE initially apply by default to dynamically provision the block storage for this claim?

                                    Answer: A

                                    Explanation:
                                    Oracle documents two predefined OKE Block Volume storage classes: oci-bv, which uses the CSI volume plugin, and oci, which uses the older FlexVolume plugin. For clusterscreated using Kubernetes version 1.24 or later, Oracle initially configures oci-bv as the default StorageClass. Because Kubernetes 1.28 is later than
                                    1.24, a newly created 1.28 cluster uses oci-bv when a PVC omits storageClassName. Oracle recommends the CSI plugin and continues adding new functionality to it. An important exception applies to clusters originally created with Kubernetes 1.23 or earlier and subsequently upgraded-their original oci default can remain unchanged. Under the scenario stated, however, the initial default is oci-bv.


                                    NEW QUESTION # 139
                                    You are developing a polyglot serverless application using Oracle Functions. Which language cannot be used to write your function code?

                                    Answer: D

                                    Explanation:
                                    Oracle Functions does not currently support PL/SQL as a language for writing function code. PL/SQL is a procedural language used in Oracle Database for developing stored procedures, triggers, and other database- related code. However, Oracle Functions supports several other popular programming languages such as Go, Node.js, Python, and Java, allowing developers to choose the language that best suits their application requirements and their familiarity with the language. While PL/SQL is powerful for working with the Oracle Database, it is not an option for writing function code in the Oracle Functions serverless architecture.


                                    NEW QUESTION # 140
                                    Which TWO are part of the Cloud Native Computing Foundation (CNCF) container runtime? (Choose two.)

                                    Answer: B,D

                                    Explanation:
                                    The two components that are part of the Cloud Native Computing Foundation (CNCF) container runtime are:
                                    containerd: containerd is an open-source container runtime that provides a runtime environment for containers, including managing container images, executing containers, and handling container lifecycle events. It is designed to be lightweight and extensible, providing the necessary functionality to run containers efficiently. runc: runc is a lightweight container runtime that serves as a reference implementation of the Open Container Initiative (OCI) runtime specification. It is responsible for launching and managing containers based on OCI specifications, including handling container isolation, namespaces, cgroups, and other low-level container operations. These two components, containerd and runc, are widely used in the container ecosystem and are part of the CNCF ' s efforts to promote and develop open-source technologies for cloud-native computing.


                                    NEW QUESTION # 141
                                    ......

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