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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Monitoring and Troubleshooting Cloud Native Applications10%- OCI Monitoring
  • 1. Use OCI Monitoring to view metrics
    - Monitoring, Logging, and Tracing
    • 1. Troubleshoot cloud native applications
      • 2. Perform monitoring, logging, and tracing tasks
        - OCI Logging
        • 1. Enable and manage logs
          • 2. Search and analyze logs
            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
                        Testing and Securing Cloud Native Applications13%- Cloud Native Security
                        • 1. Apply security measures for cloud native development
                          • 2. Manage sensitive configuration information
                            • 3. Use OCI Vault to securely manage encryption keys
                              - Cloud Native Testing
                              • 1. Cloud native testing methodologies
                                • 2. Testing strategies for cloud native applications
                                  Cloud Native Fundamentals11%- Microservices Architecture
                                  • 1. Microservices design methodology
                                    • 2. Microservices architecture
                                      - Cloud Native Principles
                                      • 1. Fundamentals of cloud native development
                                        • 2. Key pillars of cloud native development
                                          Leveraging Serverless Technologies for Cloud Native Development33%- OCI Queue
                                          • 1. Implement asynchronous messaging for microservices
                                            - OCI Events
                                            • 1. Build event-driven serverless applications
                                              - API Gateway
                                              • 1. Process traffic from API clients
                                                • 2. Route API traffic to backend services
                                                  - OCI Streaming
                                                  • 1. Use streaming for serverless and managed application architectures
                                                    • 2. Integrate systems using OCI Streaming
                                                      - Oracle Functions
                                                      • 1. Develop serverless applications with Oracle Functions

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q18-Q23):

                                                        NEW QUESTION # 18
                                                        When developing microservices, each one can be developed in the language of choice. Which term describes this type of development? (Choose the best answer.)

                                                        Answer: D

                                                        Explanation:
                                                        The term that describes developing microservices in different languages of choice is " Polyglot. " In a polyglot architecture, each microservice is developed using the most appropriate programming language or technology stack for its specific requirements. This approach allows developers to leverage the strengths of different languages and frameworks, enabling them to use the most suitable tool for each microservice while still maintaining interoperability between services.


                                                        NEW QUESTION # 19
                                                        Kubernetes includes various elements such as compute, network, and storage. Compute is essentially CPU (units) and memory (bytes). Within an OKE cluster, what is considered to be the smallest unit of deployment with respect to compute?

                                                        Answer: D

                                                        Explanation:
                                                        A pod is the smallest and simplest unit in the Kubernetes object model that you create or deploy2. A pod represents a single instance of a running process in your cluster. Pods contain one or more containers, such as Docker containers. When you create a pod, you define how much CPU and memory (RAM) each container needs. A pod can also include storage volumes, IP addresses, options that govern how the container(s) should run, and more2. Pods are the basic building blocks of larger Kubernetes constructs such as deployments, replica sets, and services2.


                                                        NEW QUESTION # 20
                                                        Which statement is NOT valid regarding autoscaling configurations in Oracle Cloud Infrastructure Container Engine for Kubernetes (OKE)?

                                                        Answer: C

                                                        Explanation:
                                                        Oracle explicitly lists Kubernetes Cluster Autoscaler among the deploymentsnot supported when using OKE virtual nodes. Virtual nodes provide a serverless data-plane model in which Oracle manages the underlying compute capacity, so customers do not resize a conventional virtual-node pool through Kubernetes Cluster Autoscaler. Cluster Autoscaler remains applicable to managed node pools, where worker-node capacity can be increased or decreased according to scheduling demand. Oracle also identifies Vertical Pod Autoscaler as unsupported on virtual nodes, while Metrics Server is supported through a deployment method adapted for virtual nodes. Horizontal Pod Autoscaler operates at the pod/deployment level and can adjust replica counts without requiring customers to resize virtual-node infrastructure. Therefore, B is the NOT valid statement because it incorrectly claims Cluster Autoscaler can resize both managed and virtual node pools.


                                                        NEW QUESTION # 21
                                                        Which query language is tailored specifically to request and search distributed tracing data in the OCI Application Performance Monitoring Trace Explorer?

                                                        Answer: D

                                                        Explanation:
                                                        Oracle Application Performance Monitoring provides a dedicated query language in Trace Explorer for investigating distributed traces and their associated spans. Oracle documentation refers to it as theTrace Explorer Query Language, which uses a simplified SQL-like syntax with clauses such as show, filters, grouping, and aggregation. Among the supplied choices, this corresponds to Trace Query Language (TQL).
                                                        LQL belongs to OCI Logging and is used for searching log records, while MQL belongs to OCI Monitoring and operates on metric streams. AQL is not the Trace Explorer query language. Trace Explorer queries are specifically optimized for dimensions such as service names, operations, spans, traces, durations, and errors, making C the correct answer.


                                                        NEW QUESTION # 22
                                                        Your team has chosen to use master encryption key (MEK) within an Oracle Cloud Infrastructure (OCI) Vault for encrypting Kubernetes secrets associated with your microservice deployments in OCI Container Engine for Kubernetes (OKE) clusters so that you can easily manage key rotation. Which of the following is NOT valid about rotating keys in the OCI Vault service?

                                                        Answer: D

                                                        Explanation:
                                                        The correct answer is: " Once rotated, older key versions can be used for encryption until they are deleted. " The statement that is NOT valid about rotating keys in the OCI Vault service is: " Once rotated, older key versions can be used for encryption until they are deleted. " In the OCI Vault service, when you rotate a master encryption key (MEK), a new key version is automatically generated. However, once a key is rotated and a new version is created, the older key versions are no longer usable for encryption. The purpose of key rotation is to ensure that the encryption keys are regularly updated and that older keys are no longer used to protect sensitive data. This enhances security by minimizing the impact of potential key compromises. The other statements mentioned are valid: Both software and hardware security module (HSM)-protected MEKs can be rotated. This provides flexibility in choosing the type of MEK and ensures that key rotation can be performed regardless of the encryption method used. Each key version is tracked internally with separate unique OCIDs (Oracle Cloud Identifiers). This allows for easy management and tracking of different key versions within the OCI Vault service. In summary, the statement that is NOT valid is the one suggesting that older key versions can still be used for encryption until they are deleted. Key rotation is designed to ensure the use of the latest key version and to retire older key versions to enhance security.


                                                        NEW QUESTION # 23
                                                        ......

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