1z0-1084-26試験の準備方法 |検証する1z0-1084-26日本語版と英語版試験 |実用的なOracle Cloud Infrastructure Developer Professional試験感想

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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Testing and Securing Cloud Native Applications13%- Cloud Native Security
  • 1. Apply security measures to overcome challenges with cloud native development
    - Cloud Native Testing
    • 1. Analyze and evaluate cloud native testing methodologies and develop effective strategies for testing cloud native applications
      - OCI Vault
      • 1. Use OCI Vault to securely store and manage encryption keys and sensitive configuration information
        Cloud Native Applications and Containerization33%- 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
              - Container Orchestration
              • 1. Discuss the role of container orchestration
                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
                    Leveraging Serverless Technologies for Cloud Native Development33%- 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
                          - 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
                              Monitoring & Troubleshooting Cloud Native Applications10%- OCI Monitoring
                              • 1. Utilize OCI Monitoring Service to view metrics
                                - Monitoring, Logging, and Tracing
                                • 1. Perform tasks around monitoring, logging, and tracing
                                  - OCI Logging
                                  • 1. Use OCI Logging Service to enable, manage, and search logs

                                    >> 1z0-1084-26日本語版と英語版 <<

                                    Oracle 1z0-1084-26試験感想 & 1z0-1084-26練習問題集

                                    1z0-1084-26の学習質問は、文化レベルの種類に関係なく、さまざまなレベルのユーザーに適しています。たとえ文化レベルが高くても、1z0-1084-26トレーニング資料で自分に合ったものを見つけることができます。学習方法。それで、1z0-1084-26学習教材のすべてのユーザーにとって、絶好の機会であり、さまざまなタイプから選択できます。また、ますます多くの学生が1z0-1084-26テストガイドを選択します。 Oracle Cloud Infrastructure Developer Professionalの学習質問を選択してください！

                                    Oracle Cloud Infrastructure Developer Professional 認定 1z0-1084-26 試験問題 (Q53-Q58):

                                    質問 # 53
                                    What are the TWO main reasons you would choose to implement a serverless architecture? (Choose two.)

                                    正解：A、E

                                    解説：
                                    The two main reasons to choose a serverless architecture are: Automatic horizontal scaling: Serverless architectures allow for automatic scaling of resources based on demand. The infrastructure automatically provisions and scales resources as needed, ensuring that applications can handle varying workloads efficiently. This eliminates the need for manual scaling and optimizes resource utilization. Reduced operational cost: Serverless architectures follow a pay-per-use model, where you are billed only for the actual execution time and resources consumed by your functions. This leads to cost savings as you don ' t have to pay for idle resources. Additionally, serverless architectures remove the need for managing and maintaining servers, reducing operational overhead and associated costs.Explanation: No need for integration testing:
                                    Integration testing is still necessary in serverless architectures to ensure that functions integrate correctly with other components and services. Serverless functions can interact with various event sources, databases, and APIs, and testing is required to verify the integration points. Improved in-function state management:
                                    Serverless architectures typically encourage stateless functions that operate on short-lived requests or events.
                                    While there are mechanisms to manage state within a function, serverless architectures are designed to be stateless by default, promoting scalability and fault tolerance. Easier to run long-running operations:
                                    Serverless functions are generally designed for short-lived operations rather than long-running tasks. If you have a requirement for long-running operations, a serverless architecture may not be the ideal choice, as it has execution time limits and may not provide the necessary resources for extended execution.


                                    質問 # 54
                                    You are planning the migration of a legacy monolithic billing application to a cloud-native architecture on Oracle Cloud Infrastructure. The application currently relies on a centralized relational database and synchronous local procedure calls, and you must address the primary architectural challenges associated with transitioning to a distributed microservices model.
                                    Which TWO statements represent valid engineering challenges or design strategies that must be considered during this cloud-native migration?

                                    正解：C、D

                                    解説：
                                    Oracle identifies distributed transaction consistency and observability as major concerns when moving from monoliths to microservices. The Saga pattern addresses cross-service business transactions by dividing them into local transactions and using events plus compensating actions, avoiding long-duration distributed locks.
                                    Oracle also emphasizes unified observability for microservices, including metrics, logs, and traces, because failures become harder to diagnose when calls cross multiple networked services. OCI does not automatically create a global application transaction across compartments, Object Storage is not a transactional relational database replacement, and microservices are not restricted to synchronous REST communication. Oracle explicitly supports asynchronous messaging and event-driven designs for loose coupling. Therefore, A and B correctly describe realistic migration challenges and strategies.


                                    質問 # 55
                                    Your organization is developing serverless applications with Oracle Functions. Many functions will need to store state data in a database, which will require using appropriate credentials. However, your corporate security standards mandate encryption of secret information, such as database passwords. How would you address this security requirement?

                                    正解：A

                                    解説：
                                    The best way to store and use secret information, such as database passwords, in Oracle Functions is to use the OCI Vault service. The OCI Vault service provides encryption and decryption capabilities for sensitive data. You can use the OCI Vault service to encrypt the password and store it as an application-level configuration variable. Then, you can use the generated key to decrypt the password in your function code when you need to access the database. Verified References: Oracle Functions: Using Key Management To Encrypt And Decrypt Configuration Variables


                                    質問 # 56
                                    You deployed a Python application to an Oracle Container Engine for Kubernetes (OKE) cluster. However, while testing you found a bug, which you rectified and then created a new Docker image. You now need to ensure that if this new image does not work once deployed, you should be able to roll back to the previous version. Using kubect1, which strategy should you use?

                                    正解：C

                                    解説：
                                    A rolling update is a deployment strategy that gradually replaces the old version of an application with the new version without any downtime4. OKE supports rolling updates by using the kubectl rollout command4. A rolling update allows you to roll back to the previous version if something goes wrong with the new version4.
                                    Therefore, using a rolling update strategy with kubectl ensures that you can roll back to the previous version of your Python application if the new image does not work once deployed.Verified References: Deploy Oracle Container Engine for Kubernetes


                                    質問 # 57
                                    You have built a custom container image for your microservice and successfully pushed it to Oracle Cloud Infrastructure Registry (OCIR). Which OCI CLI command should you run to cryptographically sign the pushed image using a master encryption key managed in OCI Vault and upload the resulting signature?

                                    正解：C

                                    解説：
                                    Oracle explicitly documents oci artifacts container image-signature sign-upload for signing a Container Registry image and uploading its image signature. The operation requires the image OCID, compartment OCID, Vault master encryption key OCID, key-version OCID, and an approved RSA signing algorithm such as SHA_256_RSA_PKCS_PSS. Container Registry image-management commands are organized under the OCI CLI artifacts container command group, which is why the other command paths are invalid. container- engine relates to OKE rather than image-signature creation, and there is no container-registry image-signature top-level CLI group. Oracle ' s Container Registry documentation provides the exact command shown in option B for signing an already-pushed image using a key stored in OCI Vault.


                                    質問 # 58
                                    ......

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