Multiple ChoiceIntermediate 30s
Pub/Sub Pattern
Choose the best answer for: publish/subscribe
Options
- 1Pub/sub is point-to-point, so each message reaches exactly one subscriber
- 2Pub/sub is synchronous and the publisher blocks until all subscribers ack
- 3Publisher sends to topic; all subscribers receive the message
- 4Pub/sub is used for databases to replicate rows between replica nodes
Think you can answer under pressure?
Get matched and answer live questions in 3-minute 1v1 battles. Elo ranking, badge tiers and bragging rights on the line.