Practice Free 1z0-1119-1 Oracle Cloud Infrastructure for Sunbird Ed Specialty - Rel 1 Exam Questions Answers With Explanation

Keycloak is an open-source Identity and Access Management solution used for modern applications and services. It is designed to work with authentication and authorization tokens. In a microservices architecture, the public key from a service like Keycloak would be used to validate authentication tokens, ensuring secure communication between services.

Grafana is a popular open-source platform for monitoring and observability, widely used for real-time data visualization with support for various data sources, including cloud services and databases, making it an ideal choice for real-time monitoring and visualization of key performance metrics.

Apache Druid is known for its real-time analytics capabilities and is a distributed column-store data store designed for OLAP (online analytical processing) queries on event data, making it suitable for high-performance analytics.

Using the Kubernetes Cluster Autoscaler with OCI Container Engine for Kubernetes (OKE) is an effective way to dynamically adjust the resources allocated for containerized workloads based on demand. This ensures that during peak hours, additional resources are automatically provisioned to accommodate the increased load, thereby maintaining performance and availability.

The naming conventions used in microservices often reflect their functionality. 'questionset-service' seems most aligned with the functionality one might expect in an inquiry microservice within an educational platform, handling sets of questions or inquiries.

In Angular's@NgModuledecorator, thedeclarationsarray is used to make directives (including components and pipes) from the current module available to other directives in the current module. Services are typically provided in theprovidersarray of@NgModuleor a component's@Componentdecorator, not indeclarations.

In the context of microservices architecture, services like User-Org-Service and Learning-Service are commonly exposed to handle specific functionalities such as user and organization management, and learning management respectively. Batch-Service, Knowledge-Service, and Certificate-Service might be part of the ecosystem but the naming convention suggests that User-Org-Service and Learning-Service are more likely to be the core services exposed by an educational platform like Sunbird Lern.