1z0-1084-26 Trainingsmaterialien: Oracle Cloud Infrastructure Developer Professional & 1z0-1084-26 Lernmittel & Oracle 1z0-1084-26 Quiz

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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Monitoring & Troubleshooting Cloud Native Applications10%- 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
      - OCI Monitoring
      • 1. Utilize OCI Monitoring Service to view metrics
        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 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
              Topic 3: Cloud Native Applications and Containerization33%- Container Orchestration
              • 1. Discuss the role of container orchestration
                - 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
                    - Docker and Containerization
                    • 1. Explain Docker and the concepts around its architecture and components
                      Topic 4: 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 5: Leveraging Serverless Technologies for Cloud Native Development33%- OCI Streaming
                          • 1. Create integration between systems using OCI Streaming Service
                            - OCI Events
                            • 1. Build event-driven serverless applications using OCI Events Service
                              - 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 Queue
                                  • 1. Facilitate asynchronous messaging for microservices with OCI Queue

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                                    Oracle Cloud Infrastructure Developer Professional 1z0-1084-26 Prüfungsfragen mit Lösungen (Q70-Q75):

                                    70. Frage
                                    As a Cloud Native developer, you have written a web service for your company. However, your security team has suggested that your web service should address Distributed Denial-of-Service (DDoS) attack. You are time-constrained and you need to ensure that this is implemented as soon as possible. What should you do in this scenario? (Choose the best answer.)

                                    Antwort: A

                                    Begründung:
                                    The correct answer in this scenario is to use the OCI API Gateway service and configure rate limiting. Using the OCI API Gateway service and configuring rate limiting is an effective approach to address Distributed Denial-of-Service (DDoS) attacks. By implementing rate limiting, you can control the number of requests that can be made to your web service within a specific time frame. This helps to prevent overload and ensures that your service can handle legitimate traffic while mitigating the impact of DDoS attacks. By leveraging the OCI API Gateway service, you can easily configure rate limiting rules to restrict the number of requests per second or per minute. This allows you to set appropriate thresholds and safeguard your web service from being overwhelmed by excessive requests. The API Gateway acts as a protective layer, filtering out malicious traffic and ensuring the smooth operation of your service. While options like OCI Virtual Cloud Network (VCN) segregation and third-party service integrations may contribute to overall security, they do not specifically address DDoS attacks as efficiently as rate limiting. VCN segregation focuses more on network segmentation and isolation, while third-party service integration may introduce additional dependencies and complexities.
                                    Re-writing your web service and implementing rate limiting is a viable option, but it may not be feasible considering the time constraints mentioned. Leveraging the OCI API Gateway service provides a quicker and easier solution to implement DDoS attack mitigation through rate limiting.


                                    71. Frage
                                    Which credential type is required to act as the password when authenticating the Docker CLI to Oracle Cloud Infrastructure Registry?

                                    Antwort: A

                                    Begründung:
                                    Oracle Container Registry requires an OCI Auth Token when Docker prompts for the password during docker login. Oracle explicitly documents that the user first generates an auth token under the OCI user profile, then supplies the tenancy namespace and username as the Docker username and the auth token as the password. A Console password is intended for interactive OCI Console authentication and is not the Docker Registry credential. API signing keys authenticate signed OCI API requests used by the CLI, SDKs, and related tools, while Customer Secret Keys are associated with Object Storage compatibility APIs. Consequently, the programmatic credential designed specifically to serve as the Docker Registry password is the OCI Auth Token.


                                    72. Frage
                                    Which is NOT a valid use case for leveraging the Oracle Cloud Infrastructure (OCI) Events service?

                                    Antwort: D

                                    Begründung:
                                    The use case that is NOT a valid use case for leveraging the Oracle Cloud Infrastructure (OCI) Events service is " Capturing the OCI Monitoring service alarms and invoking autoscaling of compute instances. " The OCI Events service is designed to provide event-driven architecture and enable automated responses to events occurring within the Oracle Cloud Infrastructure. It allows you to react to changes and activities happening within your OCI resources. The Events service can be used to trigger actions based on events like file uploads, resource changes, or task completions. However, capturing the OCI Monitoring service alarms and invoking autoscaling of compute instances is not a direct functionality provided by the OCI Events service. Autoscaling based on monitoring metrics is typically handled by the OCI Autoscaling service, which is specifically designed for that purpose. The OCI Monitoring service provides monitoring and alerting capabilities, while the Autoscaling service handles the dynamic scaling of compute instances based on predefined policies and thresholds.


                                    73. Frage
                                    Which THREE are valid statements regarding the OCI Container Engine for Kubernetes (OKE) service?
                                    (Choose three.)

                                    Antwort: A,B,D

                                    Begründung:
                                    The valid statements regarding the OCI Container Engine for Kubernetes (OKE) service are: OKE automatically creates and configures new network resources for the new cluster. When creating a new OKE cluster, the service automatically provisions and configures the necessary network resources, such as VCNs, subnets, route tables, security lists, and load balancers, to support the cluster. Your tenancy must have sufficient quota on different types of resources. Before creating an OKE cluster, you need to ensure that your Oracle Cloud Infrastructure (OCI) tenancy has sufficient quota for the required resources, such as compute instances, block storage, networking resources, and load balancers. You must have access to an Oracle Cloud Infrastructure tenancy. To use the OKE service, you need to have access to an OCI tenancy. This means you must have a valid OCI account and the necessary permissions to create and manage resources within the tenancy. The following statements are not valid: OKE cannot use existing network resources for the creation of a new cluster. OKE creates new network resources specifically for the cluster, and it does not support using existing network resources. There is a limit of three clusters within each region, but there is no limit on the number of nodes and pods you can create within each cluster. This statement is incorrect. There is no specific limit on the number of clusters you can create within a region in OKE. However, there may be certain limits or quotas on resources that can impact the number of clusters you can create.


                                    74. Frage
                                    Which query language is tailored specifically to request and search distributed tracing data in the OCI Application Performance Monitoring Trace Explorer?

                                    Antwort: A

                                    Begründung:
                                    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.


                                    75. Frage
                                    ......

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