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Questions and Answers
Which of the following communication patterns can be implemented by using message-oriented middleware?
In a Topic exchange in RabbitMQ, which of the following binding keys would NOT match the routing key sg.east.food.ponggolnasilemak?
Regarding AMQP, which statement is FALSE?
In the context of RabbitMQ, which of the following statements are TRUE?
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UserMapService <-- 2.Receive driver location and update it on map -- AMQP Broker <-- 1. Send current GPS location (Driver Service)
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Consider the scenario diagram. Which of the following is the most appropriate pattern for this type of communication? (Refer to G. Docs)
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Study Notes
Communication Patterns with Message-Oriented Middleware
- Message-oriented middleware enables asynchronous communication, decoupling message producers from consumers.
- Common communication patterns include point-to-point and publish-subscribe.
- Use of middleware allows scalability and reliability in message delivery.
RabbitMQ Topic Exchange and Binding Keys
- In RabbitMQ, binding keys are used to route messages in a topic exchange.
- A routing key of
sg.east.food.ponggolnasilemakwould NOT match any binding keys that are restricted to either a specific region or category (e.g.,sg.east.food.*).
AMQP False Statement Identification
- AMQP (Advanced Message Queuing Protocol) supports various messaging patterns, but some common misconceptions exist regarding its capabilities.
- A false statement regarding AMQP may include claims of guaranteed delivery under all circumstances, which is not accurate as it depends on configuration and network conditions.
RabbitMQ Context Statements
- RabbitMQ facilitates message queuing and routing, using exchanges and queues effectively.
- Communication patterns in RabbitMQ can include direct, fanout, topic, and headers exchanges.
- True statements about RabbitMQ typically highlight its flexibility, ease of use, and support for multiple messaging protocols.
Scenario Communication Patterns
- In the given scenario with UserMapService and AMQP Broker, the communication involves receiving updates about driver location, which indicates a request-response pattern or publish-subscribe pattern depending on the context.
- Current GPS location updates from Driver Service to the UserMapService suggest the need for real-time data exchange methods.
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Description
Test your knowledge on communication patterns that can be implemented using message-oriented middleware. Identify which patterns are suitable for this type of middleware.
