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Oracle 1z0-1084-26 Exam Syllabus Topics:

SectionWeightObjectives
Cloud Native Applications and Containerization33%- Container Orchestration
  • 1. Deploy containerized applications on Oracle Kubernetes Engine
    • 2. Role of container orchestration
      - Docker and Containerization
      • 1. Docker architecture and components
        • 2. Containerization concepts
          - Oracle Cloud Infrastructure Registry
          • 1. Pull container images from OCIR
            • 2. Push container images to OCIR
              Cloud Native Fundamentals11%- Cloud Native Principles
              • 1. Key pillars of cloud native development
                • 2. Fundamentals of cloud native development
                  - Microservices Architecture
                  • 1. Microservices design methodology
                    • 2. Microservices architecture
                      Monitoring and Troubleshooting Cloud Native Applications10%- Monitoring, Logging, and Tracing
                      • 1. Perform monitoring, logging, and tracing tasks
                        • 2. Troubleshoot cloud native applications
                          - OCI Monitoring
                          • 1. Use OCI Monitoring to view metrics
                            - OCI Logging
                            • 1. Search and analyze logs
                              • 2. Enable and manage logs
                                Leveraging Serverless Technologies for Cloud Native Development33%- OCI Streaming
                                • 1. Use streaming for serverless and managed application architectures
                                  • 2. Integrate systems using OCI Streaming
                                    - API Gateway
                                    • 1. Route API traffic to backend services
                                      • 2. Process traffic from API clients
                                        - OCI Events
                                        • 1. Build event-driven serverless applications
                                          - OCI Queue
                                          • 1. Implement asynchronous messaging for microservices
                                            - Oracle Functions
                                            • 1. Develop serverless applications with Oracle Functions
                                              Testing and Securing Cloud Native Applications13%- Cloud Native Testing
                                              • 1. Testing strategies for cloud native applications
                                                • 2. Cloud native testing methodologies
                                                  - 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

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                                                        Oracle Cloud Infrastructure Developer Professional Sample Questions (Q145-Q150):

                                                        NEW QUESTION # 145
                                                        Which concept in OCI Queue is responsible for hiding a message from other consumers for a predefined amount of time after it has been delivered to a consumer?

                                                        Answer: B

                                                        Explanation:
                                                        Visibility timeout is the concept in OCI Queue that is responsible for hiding a message from other consumers for a predefined amount of time after it has been delivered to a consumer1. The visibility timeout can be set at the queue level when creating a queue, or it can be specified when consuming or updating messages1. If a consumer is having difficulty successfully processing a message, it can update the message to extend its invisibility1. If a message's visibility timeout is not extended, and the consumer does not delete the message, it returns to the queue1.Verified References: Overview of Queue


                                                        NEW QUESTION # 146
                                                        You are designing the persistence layer for a multi-service financial application where each microservice must completely isolate its private persistent data to enforce a bounded context. Which database configuration strategy should you implement within a multi-tenant Oracle Database to satisfy this requirement with the lowest operational overhead?

                                                        Answer: C

                                                        Explanation:
                                                        Oracle specifically recommends the multitenant database model for microservices because multiple Pluggable Databases can reside within one Container Database while retaining logical isolation. Oracle ' s microservices architecture guidance identifies PDBs as a strong persistence choice forbounded-context isolation, security, and high availability. Allocating a PDB per microservice isolates that service ' s private database objects while avoiding the infrastructure and operational overhead of provisioning an entire VM database system for every service. Shared schemas or shared tables weaken service autonomy and create tight coupling between bounded contexts. Because a CDB can host multiple isolated PDBs while sharing common database infrastructure and administration, option B best combines isolation with operational efficiency.


                                                        NEW QUESTION # 147
                                                        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: B,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 # 148
                                                        Which matching behavior occurs when an Oracle Cloud Infrastructure (OCI) Events rule condition defines an attribute value containing only a single asterisk (*) wildcard?

                                                        Answer: B

                                                        Explanation:
                                                        Oracle ' s Events filtering documentation explicitly defines the behavior of a standalone asterisk wildcard.
                                                        When an attribute value consists only of *, it matchesall values for that attribute except null. The field must therefore exist and contain a non-null value for the rule condition to match. Oracle permits wildcard characters only in attribute values, and an asterisk can otherwise appear at the beginning, middle, or end of a value pattern. It is not interpreted as a literal asterisk in this context, nor is it restricted to matching empty strings. Option A is incorrect because null values are excluded. Therefore, option B precisely reflects Oracle ' s documented Events rule wildcard semantics.


                                                        NEW QUESTION # 149
                                                        You are configuring an Oracle Cloud Infrastructure Events rule to process lifecycle changes for both Object Storage objects and Compute instances within a single compartment. Which JSON filter attribute structure correctly groups multiple event types under a single filter condition?

                                                        Answer: C

                                                        Explanation:
                                                        Oracle Events uses the singular top-level field eventType to identify the type of event represented by an event message. When a rule must match more than one event type, Oracle explicitly documents placing multiple event-type strings in a JSON array assigned to eventType. Values within that array operate as alternatives, allowing the condition to match an event corresponding to any listed type. eventTypes, actionTypes, and filterType are not valid substitutes for the documented field. Likewise, concatenating event types into a single pipe-delimited or comma-delimited string does not create multiple event matches. Option D therefore implements the exact structure Oracle shows in its Events filtering examples for a rule covering multiple event types.


                                                        NEW QUESTION # 150
                                                        ......

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