quizizzHDV2

Nguyên tắc nào tự nhiên là một phần của mô hình thiết kế thực thể?

• Service Contract và Service Loose Coupling
• Service Statelessness và Service Discoverability
• Service Abstraction và Service Reusability
• Service Reusability và Service Autonomy

What is the role of a message broker in microservice communication?

• Transform HTTP to gRPC
• Store configuration settings
• Coordinate and route messages
• Serve static content

Which protocol is commonly used for synchronous HTTP communication between services?

• gRPC
• WebSockets
• SMTP
• Kafka

Which object-oriented design principle is encouraged for complex business logic?

• Encapsulation
• Inheritance
• Applying object-oriented design principles
• Polymorphism

What is a benefit of decentralized governance in microservices?

• Uniform technology stack
• Freedom to choose suitable tools per service
• No need for service boundaries
• Eliminating testing requirements

What is a typical component of a CI/CD toolchain?

• Load balancer
• Version control system
• Firewall
• Database driver

What is the primary principle behind event sourcing?

• Storing only the current state of data
• Storing every change to application state as a sequence of events
• Storing both state and behavior in the database
• Using events for communication only

Which type of network connection is generally available to clients within the firewall?

• Bluetooth
• LAN
• Mobile 5G
• Satellite

How can a gateway handle varied client needs efficiently?

• Through DNS switching
• By rejecting requests not from mobile
• Using backend for frontends or GraphQL
• Using token refresh only

What is a benefit of using a circuit breaker in service communication?

• Enables stateful routing
• Improves serialization speed
• Prevents cascading failures
• Provides data encryption