Event-Driven Architectures CV0-004 Practice Questions (Page 2)

Questions 6–10

1. 6foundation · easy

   Which event processing model processes each event individually and independently, without considering other events?

   • ABatch processing
   • BSimple event processing
   • CComplex event processing
   • DStream processing
   Reveal Solution Discussion Select an answer first
2. 7foundation · easy

   What characteristic of event-driven architectures enables them to handle sudden spikes in event volume?

   • AThe ability to buffer events in a queue or broker until consumers can process them.
   • BThe requirement for consumers to process events synchronously.
   • CThe use of a single, powerful server to process all events.
   • DThe use of a shared database to store all events.
   Reveal Solution Discussion Select an answer first
4. 8application · medium

   A company is moving from a monolithic application to microservices. They want to ensure that when a customer is created, multiple services (billing, CRM, email) are notified without the customer service being tightly coupled to them. Which approach best achieves this?

   • AThe customer service writes to a shared database and the other services poll for changes.
   • BThe customer service sends a synchronous HTTP request to each service.
   • CThe customer service publishes a 'customer.created' event to a broker, and each service subscribes to it.
   • DThe customer service uses a message queue and each service competes to consume the event.
   Reveal Solution Discussion Select an answer first
5. 9foundation · easy

   In an event-driven architecture, what is the role of an event?

   • AA direct request from one component to another to perform an action.
   • BA scheduled job that runs at a specific time.
   • CA record of a state change or occurrence within the system.
   • DA shared variable used to synchronize concurrent processes.
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6. 10foundation · easy

   What is a key benefit of integrating microservices with an event-driven architecture?

   • AIt eliminates the need for service discovery.
   • BIt simplifies debugging by making the flow of data more visible.
   • CIt reduces coupling between services.
   • DIt guarantees exactly-once delivery of events.
   Reveal Solution Discussion Select an answer first