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Oracle 1z0-1084-26 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Cloud Native Applications and Containerization	33%	- Oracle Cloud Infrastructure Registry 1. Pull container images from OCIR 2. Push container images to OCIR - Docker and Containerization 1. Containerization concepts 2. Docker architecture and components - Container Orchestration 1. Role of container orchestration 2. Deploy containerized applications on Oracle Kubernetes Engine
Topic 2: Cloud Native Fundamentals	11%	- Microservices Architecture 1. Microservices design methodology 2. Microservices architecture - Cloud Native Principles 1. Key pillars of cloud native development 2. Fundamentals of cloud native development
Topic 3: Testing and Securing Cloud Native Applications	13%	- Cloud Native Testing 1. Cloud native testing methodologies 2. Testing strategies for cloud native applications - Cloud Native Security 1. Apply security measures for cloud native development 2. Use OCI Vault to securely manage encryption keys 3. Manage sensitive configuration information
Topic 4: Monitoring and Troubleshooting Cloud Native Applications	10%	- OCI Logging 1. Enable and manage logs 2. Search and analyze logs - 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
Topic 5: Leveraging Serverless Technologies for Cloud Native Development	33%	- OCI Events 1. Build event-driven serverless applications - API Gateway 1. Process traffic from API clients 2. Route API traffic to backend services - OCI Queue 1. Implement asynchronous messaging for microservices - Oracle Functions 1. Develop serverless applications with Oracle Functions - OCI Streaming 1. Use streaming for serverless and managed application architectures 2. Integrate systems using OCI Streaming

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Oracle Cloud Infrastructure Developer Professional Sample Questions (Q101-Q106):

NEW QUESTION # 101
Which matching behavior occurs when an Oracle Cloud Infrastructure (OCI) Events rule condition defines an attribute value containing only a single asterisk (*) wildcard?

A. It matches the literal asterisk character for the associated attribute name.
B. It matches all values, including null, for the associated attribute name.
C. It matches only empty string values for the associated attribute name.
D. It matches all non-null values for the associated attribute name.

Answer: D

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 # 102
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. Create a docker-registry secret for OCIR with identity Auth Token on the cluster, and specify the imagePullSecret property in the application deployment manifest.
B. Create a docker-registry secret for OCIR with API key credentials on the cluster, and specify the imagePullSecret property in the application deployment manifest.
C. Create a dynamic group for nodes in the cluster, and a policy that allows the dynamic group to read repositories in the same compartment.
D. Add a generic secret on the cluster containing your identity credentials. Then specify a registryCredentials property in the deployment manifest.

Answer: A

Explanation:
The necessary configuration to provide access to a private repository in OCI Registry (OCIR) from OCI Container Engine for Kubernetes (OKE) is to create a docker-registry secret for OCIR with an identity Auth Token on the cluster and specify the imagePullSecret property in the application deployment manifest. Here ' s the breakdown of the steps: Create a docker-registry secret for OCIR with an identity Auth Token: In order to authenticate with the private repository in OCIR, you need to create a secret in your OKE cluster that contains the necessary credentials. This can be done by generating an identity Auth Token from the OCI Console and creating a secret in the cluster using the kubectl command. Specify the imagePullSecret property in the application deployment manifest: In your application ' s deployment manifest (such as a Kubernetes Deployment or StatefulSet YAML file), you need to include the imagePullSecret property and specify the name of the secret you created in the previous step. This allows the OKE cluster to use the credentials from the secret to pull the docker image from the private repository in OCIR during deployment. By following these steps, you can ensure that your OKE cluster has the necessary access to the private repository in OCIR, and your application can successfully pull the required docker image during deployment.

NEW QUESTION # 103
Your organization mandates that all containerized workloads deployed to Oracle Cloud Infrastructure (OCI) Container Engine for Kubernetes (OKE) must utilize Kubernetes NetworkPolicy resources, such as Calico, to enforce strict micro-segmentation of traffic. You have deployed these workloads to an enhanced OKE cluster using virtual node pools to minimize infrastructure maintenance. During testing, you discover that the Calico installation fails because NetworkPolicy resources and third-party CNI policy integrations are completely unsupported on this specific node configuration. How should you resolve this security implementation challenge while continuing to use VCN-Native Pod Networking?

A. Define an OCI IAM policy that grants the OKE workload identity access to manage network security lists at the virtual node level.
B. Reconfigure your virtual node pools to use the Flannel overlay plugin, which natively implements network policy isolation on virtual nodes.
C. Migrate your workloads to managed node pools within the OKE cluster, where VCN-Native Pod Networking supports Calico for NetworkPolicy enforcement.
D. Upgrade your OKE virtual nodes to Kubernetes version 1.30 or higher, which enables native, agentless NetworkPolicy support on virtual nodes.

Answer: C

Explanation:
Oracle explicitly states that virtual nodes do not support Kubernetes NetworkPolicy resources or network providers such as Calico and Cilium that provide NetworkPolicy enforcement. Virtual nodes support only OCI VCN-Native Pod Networking and cannot use Flannel or other third-party CNI plugins. By contrast, Calico can be installed with managed node pools while retaining VCN-native pod networking. This combination enables Kubernetes NetworkPolicy objects to enforce pod-level traffic controls and micro- segmentation. An IAM policy or network security list cannot substitute for Kubernetes NetworkPolicy because OCI network controls and Kubernetes pod policy enforcement operate at different layers. Therefore, when Calico-based NetworkPolicy enforcement is mandatory, migrating the workload from virtual nodes to managed node pools is the supported OKE architecture.

NEW QUESTION # 104
Which statement accurately describes the Oracle Cloud Infrastructure (OCI) Load Balancer integration with OCI Container Engine for Kubernetes (OKE)?

A. OCI Load Balancer instance provisioning is triggered by the OCI Events service for each Kubernetes service with LoadBalancer type in the YAML configuration.
B. OKE service provisions a single OCI Load Balancer instance shared with all the Kubernetes services with LoadBalancer type in the YAML configuration.
C. OKE service provisions an OCI Load Balancer instance for each Kubernetes service with LoadBalancer type in the YAML configuration.
D. OCI Load Balancer instance must be manually provisioned for each Kubernetes service that requires traffic balancing.

Answer: C

Explanation:
The statement that accurately describes the Oracle Cloud Infrastructure (OCI) Load Balancer integration with OCI Container Engine for Kubernetes (OKE) is: " OKE service provisions an OCI Load Balancer instance for each Kubernetes service with LoadBalancer type in the YAML configuration. " When you define a Kubernetes service in your YAML configuration with the LoadBalancer type, the OKE service automatically provisions an OCI Load Balancer instance specifically for that service. This Load Balancer instance is dedicated to the Kubernetes service and provides traffic balancing functionality. Each Kubernetes service that requires load balancing will have its own OCI Load Balancer instance provisioned by OKE.

NEW QUESTION # 105
You are developing a cloud native serverless application where uploaded PDF documents inside an OCI Object Storage bucket must automatically trigger an OCI Function for text processing. You have created an OCI Events rule configured with the condition eventType: com.oraclecloud.objectstorage.createbucket matching the bucket ' s compartment. However, when test files are uploaded, the function does not trigger.
Which TWO actions must you perform to successfully implement and troubleshoot this event-driven integration?

A. Enable the " Emit Object Events " setting on the source Object Storage bucket.
B. Verify the rule ' s condition is configured with the com.oraclecloud.objectstorage.createobject event type rather than com.oraclecloud.objectstorage.createbucket.
C. Set up a VCN Service Gateway because OCI Events cannot access Object Storage buckets over the public internet.
D. Create an IAM policy allowing the OCI Events service to read objects in the specific Object Storage bucket.
E. Define a dynamic group for the Object Storage bucket to allow it to invoke the targeted Oracle Function.

Answer: A,B

Explanation:
Object-level state changes in OCI Object Storage donot emit Events by default. Oracle requires the bucket ' sEmit Object Eventscapability to be enabled before object create, update, or delete events are generated. In addition, the rule must use the correct event type. com.oraclecloud.objectstorage.createbucket represents creation of a bucket itself, whereas uploading a new object generates com.oraclecloud.objectstorage.
createobject. Therefore, the current rule can never match ordinary PDF uploads. Dynamic groups are not used to assign identities to buckets, Events does not require permission to read the actual object ' s contents, and no VCN Service Gateway is necessary for this native OCI service integration. Consequently, B and D are required.

NEW QUESTION # 106
......

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