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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Cloud Native Fundamentals	11%	- 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: Cloud Native Applications and Containerization	33%	- 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 - Container Orchestration 1. Discuss the role of container orchestration - OCI Registry 1. Use OCI Registry to pull and push container images
Topic 3: Testing and Securing Cloud Native Applications	13%	- 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
Topic 4: Monitoring & Troubleshooting Cloud Native Applications	10%	- OCI Monitoring 1. Utilize OCI Monitoring Service to view metrics - OCI Logging 1. Use OCI Logging Service to enable, manage, and search logs - Monitoring, Logging, and Tracing 1. Perform tasks around monitoring, logging, and tracing
Topic 5: Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Events 1. Build event-driven serverless applications using OCI Events Service - 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 - Oracle Functions 1. Develop serverless applications with Oracle Functions - OCI Streaming 1. Create integration between systems using OCI Streaming Service

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q37-Q42):

NEW QUESTION # 37
You are developing a continuous integration (CI) pipeline running on an Oracle Cloud Infrastructure (OCI) Compute instance that automatically builds and pushes container images to Container Registry (OCIR). You need to configure dynamic group membership and write the minimum required IAM policies to authorize this Compute instance to push images to repositories within a compartment named qa-compartment.
Which TWO steps must you perform to achieve this authorization?

A. Add an IAM policy statement: Allow dynamic-group ci-pipeline-dg to manage repos in compartment qa-compartment
B. Add an IAM policy statement: Allow dynamic-group ci-pipeline-dg to inspect repos in compartment qa- compartment
C. Create a dynamic group named ci-pipeline-dg with the matching rule: ANY {container.instance = ' ocid1.instance.oc1.phx.exampleinstanceocid ' }
D. Add an IAM policy statement: Allow dynamic-group ci-pipeline-dg to use repos in compartment qa- compartment
E. Create a dynamic group named ci-pipeline-dg with the matching rule: ANY {instance.id = ' ocid1.
instance.oc1.phx.exampleinstanceocid ' }

Answer: A,E

Explanation:
OCI dynamic groups identify Compute instances using the documented instance.id attribute, making B valid.
Oracle Container Registry documentation also shows manage repos as a policy capable of authorizing image pushes within a specified compartment, making D the sufficient policy among the supplied choices. container.
instance is not a valid Compute-instance matching variable, while inspect repos provides only discovery-level permissions. use repos does not supply the repository update permissions required for pushing images. For stricter production least privilege, Oracle additionally documents conditioning a manage repos policy to specific permissions such as REPOSITORY_READ, REPOSITORY_UPDATE, and REPOSITORY_CREATE; however, that granular variant is not offered among these choices. Therefore, B and D are the correct selections.

NEW QUESTION # 38
Which key pillar of cloud native development should be utilized when a development team needs to automate build, test, and release cycles to achieve rapid and reliable software delivery?

A. DevOps Principles
B. Microservices Architecture
C. Serverless Computing
D. Containerization

Answer: A

Explanation:
DevOps principles directly address automation across the software delivery lifecycle. Oracle describes DevOps as collaboration between development and operations teams aimed at continuous delivery, with automation applied throughout planning, coding, building, testing, releasing, deploying, operating, and monitoring. OCI specifically identifies CI/CD tooling for automating build, test, release, and deployment activities. Containerization provides consistent application packaging, microservices define an architectural decomposition model, and serverless computing removes much of the underlying infrastructure-management responsibility. None of those technologies by itself defines the automated delivery lifecycle requested in the question. Continuous Integration and Continuous Delivery are core DevOps practices that make software changes repeatable, testable, and deployable at high frequency while reducing manual intervention and release risk. Therefore, the correct cloud-native pillar is DevOps Principles.

NEW QUESTION # 39
A service you are deploying to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) uses a docker image from a private repository in OCI Registry (OCIR). Which configuration is necessary to provide access to this repository from OKE?

A. Add a generic secret on the cluster containing your identity credentials. Then specify a registryCredentials property in the deployment manifest.
B. Create a docker-registry secret for OCIR with identity Auth Token on the cluster, and specify the imagePullSecret property in the application deployment manifest.
C. Create a docker-registry secret for OCIR with API key credentials on the cluster, and specify the imagePullSecret property in the application deployment manifest.
D. Create a dynamic group for nodes in the cluster, and a policy that allows the dynamic group to read repositories in the same compartment.

Answer: B

NEW QUESTION # 40
With the volume of communication that can happen between different components in cloud-native applications, it is vital to not only test functionality, but also service resiliency. Which statement is true regarding service resiliency?

A. Resiliency is about not bringing a service to a functioning state after a failure.
B. Resiliency is about avoiding failures.
C. Resiliency testing can be done only in a test environment.
D. Resiliency is about recovering from failures without downtime or data loss.

Answer: D

Explanation:
The correct answer is: " Resiliency is about recovering from failures without downtime or data loss. " Service resiliency, in the context of cloud-native applications, is the ability of a service or system to recover from failures and continue functioning without downtime or data loss. It involves designing and implementing mechanisms to handle failures, such as network outages, hardware failures, or software errors, in a way that minimizes the impact on the overall system. The goal of resiliency is to ensure that the application or service can continue to operate and provide a certain level of functionality, even in the face of failures. This typically involves techniques such as redundancy, fault tolerance, and graceful degradation. By implementing resiliency measures, a cloud-native application can recover and adapt to failures, maintain availability, and preserve data integrity. The other statements are not accurate regarding service resiliency: Resiliency is not about not bringing a service to a functioning state after a failure. Instead, it is about recovering from failures and ensuring continued functionality. Resiliency is not about avoiding failures entirely. While it is desirable to prevent failures, resiliency focuses on the ability to handle and recover from failures when they do occur.
Resiliency testing is not limited to a test environment. It is important to test and validate the resiliency measures in both test environments and production environments to ensure the application can effectively handle failures in real-world scenarios.

NEW QUESTION # 41
You are developing an asynchronous, decoupled billing microservice that consumes payment messages from an Oracle Cloud Infrastructure (OCI) Queue. You notice that some corrupted payment payloads are causing the consumer application to fail and restart repeatedly, leaving the messages unprocessed and blocking the queue. To isolate these toxic messages, you want to redirect them to a Dead Letter Queue (DLQ) after 5 failed delivery attempts.
Which TWO configuration steps or characteristics must you apply to implement this solution?

A. A dead letter queue is automatically created when you create the queue, so no manual DLQ resource creation is required.
B. A separate target queue must be manually created first and then selected as the designated Dead Letter Queue.
C. Modify the " Maximum delivery attempts " setting of the queue to 5.
D. Enable consumer groups on the queue because DLQ functionality is only supported when utilizing consumer groups.
E. Configure an IAM policy specifically allowing the source queue to write to a target DLQ queue.

Answer: A,C

Explanation:
The supplied Word answer key requires correction here. Current Oracle Queue documentation explicitly states that adead letter queue is automatically created when a queue is created. Therefore, option C is correct and option B is not. Oracle also provides the Maximum delivery attempts setting, which controls how many unsuccessful deliveries can occur before a problematic message is transferred to the DLQ. Setting that value to 5 implements the requested retry threshold. No separately provisioned target queue is required, consumer groups are optional and unrelated to enabling DLQ functionality, and administrators do not create an IAM policy authorizing a source queue resource to write to its automatically associated DLQ. Consequently, the verified current answer isA, C, not the Word file ' s A, B.

NEW QUESTION # 42
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