1z0-1119-1 Exam Dumps : Oracle Cloud Infrastructure for Sunbird Ed Specialty - Rel 1

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.

In microservices and distributed systems, caches are often used to improve performance. The command 'sync-rel-cache-all' suggests a process to synchronize and regenerate the cache for collection relationships, which is a plausible approach to constructing or reconstructing a cache in such systems.

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.