Oracle 1z0-1084-26 Certification Test Questions & Test 1z0-1084-26 Sample Questions

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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Cloud Native Fundamentals11%- Microservices Architecture
  • 1. Microservices design methodology
    • 2. Microservices architecture
      - Cloud Native Principles
      • 1. Key pillars of cloud native development
        • 2. Fundamentals of cloud native development
          Topic 2: Cloud Native Applications and Containerization33%- Docker and Containerization
          • 1. Docker architecture and components
            • 2. Containerization concepts
              - Container Orchestration
              • 1. Deploy containerized applications on Oracle Kubernetes Engine
                • 2. Role of container orchestration
                  - Oracle Cloud Infrastructure Registry
                  • 1. Pull container images from OCIR
                    • 2. Push container images to OCIR
                      Topic 3: Testing and Securing Cloud Native Applications13%- Cloud Native Security
                      • 1. Use OCI Vault to securely manage encryption keys
                        • 2. Apply security measures for cloud native development
                          • 3. Manage sensitive configuration information
                            - Cloud Native Testing
                            • 1. Cloud native testing methodologies
                              • 2. Testing strategies for cloud native applications
                                Topic 4: Monitoring and Troubleshooting Cloud Native Applications10%- 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
                                      - OCI Logging
                                      • 1. Enable and manage logs
                                        • 2. Search and analyze logs
                                          Topic 5: Leveraging Serverless Technologies for Cloud Native Development33%- API Gateway
                                          • 1. Route API traffic to backend services
                                            • 2. Process traffic from API clients
                                              - OCI Queue
                                              • 1. Implement asynchronous messaging for microservices
                                                - Oracle Functions
                                                • 1. Develop serverless applications with Oracle Functions
                                                  - 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 (Q66-Q71):

                                                        NEW QUESTION # 66
                                                        Which statement is NOT valid regarding the structure and behavior of Docker images and containers?

                                                        Answer: B

                                                        Explanation:
                                                        Docker images and containers have separate lifecycles. Oracle describes a Docker image as a read-only template used to create containers, while image implementations consist of immutable read-only layers. A running container adds its own writable runtime state without changing those underlying image layers.
                                                        Removing a container with docker rm removes that container instance; deleting the corresponding image requires a separate image-removal operation such as docker rmi. Oracle ' s Cloud Shell documentation likewise explicitly uses docker rmi when deleting local images. Therefore, deleting a container doesnotautomatically or permanently delete its source image. Statements A, B, and D describe the layered and copy-on-write behavior associated with Docker containers, making C the invalid statement.


                                                        NEW QUESTION # 67
                                                        You are deploying a serverless data integration pipeline where an OCI Function needs to consume real-time events from an OCI Stream in the prod-compartment compartment. Your corporate security policy mandates strict least-privilege access, meaning the function must only be permitted to consume (pull) messages, with absolutely no capability to publish (push) messages to the stream. Which TWO configurations are required to establish this granular authorization using a Dynamic Group named analytics-function-dg?

                                                        Answer: A,C

                                                        Explanation:
                                                        Oracle Streaming exposes separate IAM resource types for producers and consumers. Granting use stream- pull provides STREAM_CONSUME, covering operations such as GetMessages, CreateCursor, group cursors, heartbeats, and commits without granting STREAM_PRODUCE. Granting use streams would be broader because that resource type includes both production and consumption capabilities. Oracle Functions can be placed in a dynamic group with a rule using resource.type = ' fnfunc ' together with the Function ' s compartment OCID. compute would not match an Oracle Function resource, and stream-push provides the opposite permission by allowing message publication. Therefore, A establishes consume-only Streaming permission while C correctly associates the Functions resources with the dynamic group.


                                                        NEW QUESTION # 68
                                                        Your team has been tasked with debugging a Cloud Native application developed using the following Oracle Cloud Infrastructure (OCI) services: Object Storage, Events, Functions, API Gateway, and Autonomous Database. Which of these is NOT a valid option for troubleshooting issues in OCI? (Choose the best answer.)

                                                        Answer: A

                                                        Explanation:
                                                        To troubleshoot issues in OCI, the option that is not valid is: Trace performance issues in the Application Performance Monitoring service by enabling Function traces. While the Application Performance Monitoring service in OCI allows you to monitor and trace the performance of your applications, it is specifically designed for monitoring OCI Functions (serverless functions) and does not directly apply to all types of applications. The other options mentioned, such as configuring logs in the OCI Logging service, leveraging OCI Cloud Guard for debug logs, viewing service metrics in the OCI Monitoring service, and using OCI Service Connector Hub for log forwarding, are valid options for troubleshooting and monitoring applications in OCI.


                                                        NEW QUESTION # 69
                                                        Your Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) administrator has created an OKE cluster with one node pool in a public subnet. You have been asked to provide a log file from one of the nodes for troubleshooting purpose. Which step should you take to obtain the log file?

                                                        Answer: C

                                                        Explanation:
                                                        To obtain a log file from one of the nodes in an Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) cluster, you should SSH into the nodes using the private key. Here ' s the step-by-step process: Obtain the private key: The private key is required to authenticate and access the nodes in the OKE cluster. You should obtain the private key from your administrator or the appropriate key pair used to create the cluster. SSH into the node: Use a secure shell (SSH) client, such as OpenSSH, to connect to the desired node in the cluster. The SSH command typically includes the private key file path and the public IP address or hostname of the node. Example command: ssh -i < private_key_file > opc@ < node_public_ip > Replace < private_key_file > with the path to the private key file and < node_public_ip > with the public IP address of the node you want to access. Navigate to the log file location: Once you have successfully connected to the node, navigate to the directory where the log file is located. The exact location and name of the log file may vary depending on the Kubernetes distribution and configuration. Copy or view the log file: You can either copy the log file from the node to your local machine using the scp command or view the contents directly on the node using tools like cat or less. By following these steps, you will be able to access the log file from the desired node in the OKE cluster for troubleshooting purposes.


                                                        NEW QUESTION # 70
                                                        Which feature is typically NOT associated with Cloud Native?

                                                        Answer: A

                                                        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 # 71
                                                        ......

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