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Microservices Messaging Architecture

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Questions and Answers

What is a characteristic of Monolithic architecture?

Simple and lightweight messaging mechanism
Synchronous Messaging
Asynchronous Messaging
Webservices with several dozens of operations and complex message schemas (correct)

What is an advantage of Microservice architecture?

Centralizes business logic in a central message bus/ESB
Requires a single, unified interface for all services
Eliminates the need for messaging protocols
Moves the 'smart-ness' or business logic to the services and client (correct)

What is an example of a protocol used in Synchronous Messaging?

MQTT
STOMP
REST (correct)
AMQP

What is a format used for defining service interfaces?

Swagger (C) Signup and view all the answers

What is a characteristic of Asynchronous Messaging?

Client doesn't expect a response immediately, or not accepts a response at all (A) Signup and view all the answers

What is the goal of refactoring service boundaries?

To make them smaller based on business requirements (D) Signup and view all the answers

What is the purpose of compensating operations in a microservices architecture?

To fulfill mandatory transaction requirements (C) Signup and view all the answers

What is the main goal of designing for failures in microservices architecture?

To ensure an unresponsive microservice does not bring the whole system down (D) Signup and view all the answers

What is the purpose of the circuit breaker pattern?

To prevent a faulty microservice from causing cascading failures (A) Signup and view all the answers

What is the main difference between inner and outer architecture in microservices?

Inner architecture is used for microservices components, while outer architecture is used for platform capabilities (D) Signup and view all the answers

What is the main advantage of using microservices architecture?

It allows for fault tolerance and recovery (D) Signup and view all the answers

What is the recommended approach to orchestrating microservices?

Orchestration at the microservices layer (D) Signup and view all the answers

What is a characteristic of decentralized data management in microservices?

Each microservice has a private database only accessible through its service API (A) Signup and view all the answers

What is a challenge when migrating from a monolithic system to a microservices-based system?

Updating multiple databases for a single transaction (C) Signup and view all the answers

What is the primary concern of governance in a microservices-based system?

Establishing and enforcing how people and solutions work together (B) Signup and view all the answers

What is a key difference between monolithic applications and microservices-based systems?

Monolithic applications use a centralized database (C) Signup and view all the answers

How do you update the databases of other microservices in a decentralized system?

Through the service API of the respective microservice (C) Signup and view all the answers

What is a benefit of using API-Gateway style inter-service communication?

Simplifying communication between microservices (D) Signup and view all the answers

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