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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: 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
      Topic 2: 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 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
            Topic 3: Leveraging Serverless Technologies for Cloud Native Development33%- Oracle Functions
            • 1. Develop serverless applications with Oracle Functions
              - OCI Queue
              • 1. Facilitate asynchronous messaging for microservices with OCI Queue
                - 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
                    - OCI Events
                    • 1. Build event-driven serverless applications using OCI Events Service
                      Topic 4: Monitoring & Troubleshooting Cloud Native Applications10%- Monitoring, Logging, and Tracing
                      • 1. Perform tasks around monitoring, logging, and tracing
                        - OCI Monitoring
                        • 1. Utilize OCI Monitoring Service to view metrics
                          - OCI Logging
                          • 1. Use OCI Logging Service to enable, manage, and search logs
                            Topic 5: Cloud Native Applications and Containerization33%- Container Orchestration
                            • 1. Discuss the role of container orchestration
                              - Docker and Containerization
                              • 1. Explain Docker and the concepts around its architecture and components
                                - 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

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                                    Oracle 1z0-1084-26 Training Questions | Practice 1z0-1084-26 Questions

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                                    Oracle Cloud Infrastructure Developer Professional Sample Questions (Q131-Q136):

                                    NEW QUESTION # 131
                                    You are tasked with developing an application that requires the use of Oracle Cloud Infrastructure (OCI) APIs to POST messages to a stream in the OCI Streaming service. Which statement is incorrect? (Choose the best answer.)

                                    Answer: D

                                    Explanation:
                                    The statement that is incorrect is: " The request does not require an Authorization header. " In order to POST messages to a stream in the OCI Streaming service using OCI APIs, the request does require an Authorization header. The Authorization header is used to provide authentication and ensure the request is authorized to access the stream. The correct approach is to include the Authorization header in the request, along with other required headers such as x-content-sha256, content-type, and content-length. Therefore, the incorrect statement is that the request does not require an Authorization header.\


                                    NEW QUESTION # 132
                                    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: C


                                    NEW QUESTION # 133
                                    Your development team wants to configure API Gateway request validation to shield an upstream backend microservice from ill-formed API calls. You want to test the validation rules in your staging environment first without blocking any non-compliant client requests, and you want to ensure the gateway checks that a mandatory HTTP header is present. Which TWO configurations should you apply to your API Gateway deployment specification to meet this requirement?

                                    Answer: C,D

                                    Explanation:
                                    OCI API Gateway request validation supportsEnforcing, Permissive, and Disabledvalidation modes. In Permissive mode, requests are validated and failures are recorded, but even non-compliant requests continue to the backend, making it appropriate for testing the impact of validation before enforcing it. Oracle also supports explicit header validation rules in which a header can be marked required: true. Enforcing mode instead blocks requests that fail validation and returns a 4xx response. No dynamic group is required for API Gateway to validate standard HTTP headers, and request.auth relates to authentication context rather than header-presence validation. Therefore, A and C directly satisfy both stated requirements.


                                    NEW QUESTION # 134
                                    You need to push a new Docker container image to a repository in the Oracle Cloud Infrastructure (OCI) Registry. Which mechanism must you use to provide authentication?

                                    Answer: D

                                    Explanation:
                                    To push a new Docker container image to a repository in OCI Registry, you need to use an Auth Token to complete the authentication via the Docker CLI1. An Auth Token is a secure, auto-generated password that you can use to authenticate with OCI services such as OCI Registry1. You can generate an Auth Token in the Console by following these steps1:
                                    * In the top-right corner of the Console, open the Profile menu and then click User settings to view the details.
                                    * On the Auth Tokens page, click Generate Token.
                                    * Enter a friendly description for the auth token. Avoid entering confidential information.
                                    * Click Generate Token. The new auth token is displayed.
                                    * Copy the auth token immediately to a secure location from where you can retrieve it later, because you won't see the auth token again in the Console.
                                    * Close the Generate Token dialog. After generating an Auth Token, you need to log in to OCI Registry by entering docker login < region-key > .ocir.io in a terminal window on the client machine running Docker, where < region-key > corresponds to the key for the OCI Registry region you're using1. When prompted for a username, enter your username in the format < tenancy-namespace > / < username > , where < tenancy-namespace > is the auto-generated Object Storage namespace string of your tenancy1. When prompted for a password, enter the Auth Token you copied earlier1.


                                    NEW QUESTION # 135
                                    Which pattern is used to decompose a monolithic application by gradually replacing specific parts of its functionality with microservices?

                                    Answer: C

                                    Explanation:
                                    The Strangler Pattern is specifically designed for incremental modernization of a monolithic application.
                                    Oracle ' s cloud-native guidance describes it as gradually replacing portions of a monolith with microservices over time, minimizing disruption and avoiding the operational risk of a complete " big bang " rewrite. New functionality or migrated capabilities are implemented as independent services while remaining functionality continues to operate in the existing monolith. Eventually, the legacy application can be retired after its responsibilities have been progressively replaced. The Saga Pattern instead manages distributed transactions, the Sidecar Pattern places supporting functionality beside an application workload, and the Transactional Outbox Pattern provides reliable coordination between database changes and event publishing. Therefore, the pattern matching gradual monolith decomposition is the Strangler Pattern.


                                    NEW QUESTION # 136
                                    ......

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