How do you implement microservices in a project?

Keep communication between services simple with a RESTful API.

Divide data into bounded contexts or data domains.

Build your microservices architecture for failure.

Emphasize monitoring to ease microservices testing.

How to do integration testing in microservices?

Use a production database for testing.

Use a service virtualization tool.

How to run Java microservice?

Run the microservice locally using Maven and Open Liberty.

Build a Docker image and deploy it.

Execute the microservice JAR file with OpenJ9 and Open Liberty.

Deploy the microservice to Kubernetes using YAML files.

What is API Gateway in microservices?

An intermediary between client applications and backend microservices.

A software application that manages microservice deployments.

A centralized messaging system for microservices integration.

A service that handles API authentication and authorization.

What is ZUUL API Gateway in microservices?

An API gateway that performs dynamic routing of microservice applications.

A tool for load balancing in microservices architecture.

A monitoring and security tool for microservices.

A database used for caching API responses.

Is Spring Boot a microservice?

No, Spring Boot is not a microservice.

Yes, Spring Boot is a microservice.

Spring Boot is a framework used to build microservices.

Spring Boot is a database management system for microservices.

Are microservices SOAP or REST?

Microservices are based on REST.

Microservices are based on SOAP.

Microservices can use both SOAP and REST interchangeably.

Microservices do not use any API protocols.

Can we build microservices without REST API?

No, RESTful API is essential for building loosely coupled microservices.

Yes, microservices can be built without RESTful API.

RESTful API is not necessary for microservices but recommended.

Microservices cannot be built without any API.

How to integrate API in Java Spring Boot?

Connect Spring Boot to the database and create repository classes.

Use the Spring Boot CLI to integrate APIs.

Use external libraries like Apache HttpClient for API integration.

Implement API integration using plain Java without Spring Boot.

How do I connect all microservices?

Use asynchronous messaging with an event bus or message broker.

Use synchronous communication with HTTP or gRPC protocols.

Connect microservices using a centralized load balancer.

Establish direct peer-to-peer connections between microservices.

How to communicate two microservices in Java?

Use asynchronous communication to prevent tight coupling.

Use synchronous calls for communication.

Use a centralized messaging system for communication.

Implement direct API calls between the microservices.

How do I call one microservice to another?

Use synchronous communication via HTTP or gRPC.

Use asynchronous message passing between microservices.

Use a load balancer to route calls between microservices.

Use a centralized API gateway for inter-service communication.

How does API work in microservices?

APIs enable microservices by providing communication between applications.

APIs are not used in microservices architecture.

APIs are used for documentation purposes in microservices.

Microservices cannot utilize APIs for software development.

Why choose Java for microservices?

Java microservices offer resilience and isolation.

Java provides a wide range of frameworks for microservices development.

Java has better performance compared to other programming languages.

Java supports containerization and cloud deployment.

Which database is best for microservices?

Both relational and document databases are suitable depending on the scenario.

Relational database (e.g., MySQL, PostgreSQL)

Document database (e.g., MongoDB, CouchD

No database is needed for microservices.

How many types of microservices are there in Java?

Both stateless and stateful microservices

There is only one type of microservice in Java.

Where to deploy microservices in Java?

Single machine, multiple processes

Multiple machines and processes

Deploy microservices with containers

What is Docker in Java microservices?

A virtualization tool for segmenting applications into containers.

A database management system for Java microservices.

A framework for building microservices in Java.

A load balancer for Java microservices.

Can we create microservices without Spring Boot?

No, Spring Boot provides essential features for building microservices.

Yes, microservices can be created without Spring Boot.

Spring Boot is the only framework available for building microservices.

Microservices cannot be created without any framework.

What is a load balancer in microservices?

A component that routes client requests across multiple servers.

A database management system for microservices.

A tool for load testing microservices.

A security mechanism for microservices.

Can a microservice have multiple APIs?

Yes, a microservice can have multiple APIs.

No, a microservice can have only one API.

Multiple APIs are not necessary for microservices.

APIs are not used in microservices.

What is the difference between API gateway and microservices?

An API gateway provides a single entry point for client apps and routes requests to internal microservices.

An API gateway is a type of microservice that handles API requests.

Microservices and API gateway are synonymous terms.

Microservices handle client requests directly without an API gateway.

Is ZUUL a load balancer?

ZUUL can act as both an API gateway and a load balancer.

ZUUL is not relevant to load balancing in microservices.

Is ZUUL a JVM-based router?

Yes, ZUUL is a JVM-based router.

No, ZUUL is a JavaScript-based router.

ZUUL can be implemented using any programming language.

ZUUL does not function as a router.

Is JPA a microservice?

No, JPA is a Java Persistence API used for data access in microservices.

JPA is a database management system.

Microservices do not use JPA for data access.

83.Integrate Microservices

Authored by ANIL KUMAR

Computers

Professional Development

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36 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is Java API microservices integration?

Java microservices are stand-alone applications written in Java language.

Java microservices are integrated using a centralized messaging infrastructure.

Java microservices are integrated using smart endpoints and a dumb messaging infrastructure.

Java microservices are integrated using a distributed messaging system.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How are microservices integrated?

Microservices are integrated using a centralized messaging infrastructure.

Microservices are integrated using a distributed messaging system.

Microservices are integrated using smart endpoints and a dumb messaging infrastructure.

Microservices are integrated using a peer-to-peer communication model.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is Java suitable for microservices?

No, Java is not suitable for microservices.

Yes, Java is great for microservices. It provides functionality to work with complex systems.

Java is suitable only for monolithic applications.

Java is suitable only for front-end development.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How to integrate all microservices in Spring Boot?

Add Actuator, Eureka Discovery, JPA, and Rest Repositories dependencies.

Add Actuator, Eureka Discovery, JPA, H2, Rest Repositories, and Web dependencies.

Add Actuator, JPA, H2, and Rest Repositories dependencies.

Add Eureka Discovery, JPA, H2, Rest Repositories, and Web dependencies.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Is a REST API a microservice?

Yes, a REST API is a microservice.

No, a REST API is not a microservice.

REST APIs work as the glue that integrates microservices.

REST APIs are independent of microservices.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How to integrate an API in Java?

Define API and implement classes and functions.

Identify the classes you want to use and implement them.

Opt for a package of classes and implement your own functions.

Read the API documentation thoroughly.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How do you integrate two microservices?

Convert them to microservices and register them with a Eureka server.

Make them communicate by adding a Eureka server.

Implement a centralized messaging system between the two microservices.

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83.Integrate Microservices

What is Java API microservices integration?

How are microservices integrated?

Is Java suitable for microservices?

How to integrate all microservices in Spring Boot?

Is a REST API a microservice?

How to integrate an API in Java?

How do you integrate two microservices?

How do you implement microservices in a project?

How to do integration testing in microservices?

Which language is best for microservices?

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