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| Section | Weight | Objectives |
|---|---|---|
| Cloud Native Fundamentals | 11% | - DevOps concepts and CI/CD workflows - Cloud-native principles and microservices architecture - OCI developer services and tools overview |
| Testing and Securing Cloud Native Applications | 13% | - Secrets management with OCI Vault - Application security best practices - Testing strategies and secure deployment configurations |
| Cloud Native Applications and Containerization | 33% | - Oracle Container Registry (OCIR) usage - Deployment and management with Oracle Kubernetes Engine (OKE) - Building containerized applications with Docker |
| Monitoring & Troubleshooting Cloud Native Applications | 10% | - Troubleshooting containerized and serverless workloads - Centralized logging and metrics collection - Application performance monitoring and tracing |
| Leveraging Serverless Technologies for Cloud Native Development | 33% | - Event-driven architecture with OCI Events, Streaming, and Queue - Oracle Functions development and management - API-driven architectures using API Gateway |
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NEW QUESTION # 109
You are deploying a containerized database application on a host using the standard Docker engine. To prevent data loss when the container instance is destroyed or updated, you must configure a storage mechanism that isolates application data from the volatile container layer and guarantees persistence. Which TWO statements or approaches correctly describe Docker storage components that satisfy this requirement?
Answer: B,E
Explanation:
Persistent container data must be stored outside the container ' s ephemeral writable layer. Docker volumes provide Docker-managed storage that remains independently available from the lifecycle of an individual container. Bind mounts provide another persistence mechanism by mapping a specified host file or directory directly into the container. Oracle ' s Docker documentation demonstrates both data volumes and host-path mounts for externalizing files from containers and preserving them independently. The writable container layer is removed with the container, a tmpfs mount stores data in volatile memory rather than persistent disk, and Docker image layers are immutable and cannot receive normal runtime database writes. Therefore, Docker volumes and bind mounts are the two valid persistence approaches described.
NEW QUESTION # 110
Your organization is transitioning a monolithic billing system into a cloud-native microservices application deployed on Oracle Cloud Infrastructure Container Engine for Kubernetes. To maintain high operational excellence under the observability pillar of cloud-native development, the engineering team has successfully set up centralized log aggregation and system metrics. However, you must now implement a solution that can track, visualize, and analyze end-to-end transaction flows and asynchronous call hops across multiple distributed microservices.
Which service should be integrated to fulfill this distributed transaction tracing requirement?
Answer: D
Explanation:
OCI Application Performance Monitoring is specifically designed fordistributed tracingof application transactions across multiple components and services. Oracle states that APM collects and processes trace and span data, allowing administrators to analyze transaction performance, latency, volume, and errors across distributed applications. Trace Explorer can visualize traces containing multiple spans and help identify bottlenecks as requests move between services, databases, functions, and asynchronous components. OCI Monitoring concentrates primarily on metric streams, while Logging Analytics focuses on log aggregation and analysis. Service Mesh can provide service-to-service traffic telemetry and may participate in observability, but APM is the service designed to collect, correlate, and analyze distributed transaction traces.
Therefore, D directly satisfies the end-to-end tracing requirement.
NEW QUESTION # 111
You are building a container image and pushing it to Oracle Cloud Infrastructure Registry (OCIR). You need to ensure that these images never get deleted from the repository. Which action should you take?
Answer: C
Explanation:
To prevent images from being deleted from a repository, you can set the global policy of image retention to
"Retain All Images". This policy applies to all repositories in the tenancy and overrides any individual repository settings. You can also lock the policy to prevent any changes to it.Verified References: Using Retention Rules to Preserve Data
NEW QUESTION # 112
Which is NOT a valid use case for leveraging the Oracle Cloud Infrastructure (OCI) Events service?
Answer: C
Explanation:
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.
NEW QUESTION # 113
How are cloud native application versions deployed to an OKE cluster when using a blue/green deployment strategy?
Answer: B
Explanation:
Blue/Green deployment strategy allows releasing a new version of an application using two identical environments where one of them is active at a given time. The current version of the application is provisioned on the active environment, whereas the new version gets deployed to the standby environment1. The traffic is shifted from the active to the standby environment by updating the ingress resource2. Therefore, both old and new application versions are deployed to production at the same time, but only one of them receives the traffic. Verified References: Announcing new deployment strategies for OCI DevOps Service, Blue-Green OKE Deployment
NEW QUESTION # 114
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