What is the primary function of an event broker in an event-driven architecture?

To generate events based on system state.

To execute business logic in response to events.

To receive events from producers and deliver them to interested consumers.

To store events indefinitely for compliance.

A team is choosing between a message queue and a publish/subscribe topic for their event-driven system. The requirement is that each event should be processed by exactly one consumer, and if that consumer fails, the event should be retried later. Which broker model should they use?

A direct synchronous call to a known consumer

A topic with a single consumer group

A queue with competing consumers

A topic with multiple consumer groups

What is the purpose of persisting events in an event store?

To reduce the number of events generated.

To replace the need for a database.

To ensure events are processed in real-time.

To enable replaying events to reconstruct system state.

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Domain 5Objective 6

Event-Driven Architectures CV0-004 Practice Questions (Page 5)

Part of the DevOps fundamentals domain, which accounts for 10% of the CV0-004 exam. CompTIA does not publish an official question count, but from its 90-minute exam (~35–60 total, ~4–6 in this domain), expect 1–1 from this objective — we provide 31 practice questions to prepare you well beyond it. (estimate)

31questions here

7free pages

8concepts

10%of the exam

Questions 21–25

21foundation · easy
What is the primary function of an event broker in an event-driven architecture?
Select an answer first
22application · medium
A team is choosing between a message queue and a publish/subscribe topic for their event-driven system. The requirement is that each event should be processed by exactly one consumer, and if that consumer fails, the event should be retried later. Which broker model should they use?
Select an answer first
23application · medium
An e-commerce platform uses an event broker to handle order events. They need to be able to replay past events to rebuild the state of a new service that was added later. What feature of the event broker should they use?
Select an answer first
24application · medium
A logistics company needs to process a continuous stream of GPS location events from delivery vehicles to update their estimated arrival times in real time. The processing must handle high throughput and low latency. Which event processing model is most appropriate?
Select an answer first
25foundation · easy
What is the purpose of persisting events in an event store?
Select an answer first

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Event-Driven Architectures CV0-004 Practice Questions (Page 5)

Questions 21–25

What is the primary function of an event broker in an event-driven architecture?

A team is choosing between a message queue and a publish/subscribe topic for their event-driven system. The requirement is that each event should be processed by exactly one consumer, and if that consumer fails, the event should be retried later. Which broker model should they use?

An e-commerce platform uses an event broker to handle order events. They need to be able to replay past events to rebuild the state of a new service that was added later. What feature of the event broker should they use?

A logistics company needs to process a continuous stream of GPS location events from delivery vehicles to update their estimated arrival times in real time. The processing must handle high throughput and low latency. Which event processing model is most appropriate?

What is the purpose of persisting events in an event store?

Keep studying — DevOps fundamentals