Contents

What You’ll Learn Requirements Description Who this course is for:

What
You’ll Learn

If you are looking to gain comprehensive knowledge in Java Microservices that covers both core concepts and real-world applications
this course is for you.
Either you are going to appear in any written test or an interview
they will help you to crack such type of exams easily. You will find them very interesting.
Questions are created using in-depth research
no copy paste from the web. They are mix of easy
moderate & complex levels to offer you complete benefits..
Almost every topics are included: Microservices Architecture
Service Registry & Discovery
Feign Client
Config Server
Fault tolerance
API Gateway
& others.
Those who have good amount of experience working in Java Microservices can also revise their concepts and assess themselves by attempting these practice sets.
You will be able to check your score & performance after attempting questions. You will get detailed explanation of every question along with answer.
I would suggest you to read explanation of each questions whether your answer is correct or incorrect. You will get benefitted form the explanation a lot.
Every concept is backed by hands-on coding exercises and practical scenarios that simulate real-world challenges.

Requirements

If you came here in search of Microservices Practice Sets
you must be aware of it. Even then
let me clarify it. You should have knowledge on Core Java
JDBC
Spring Boot including MVC & REST.

Description

If you are someone who is preparing for Java Microservices interviews and wants to feel confident and well-prepared. If you want to gain confidence and expertise in Java Microservices, this course is designed to help you achieve that and more! Whether you are aiming to land your dream job or simply want to enhance your expertise, this course is going to be your ultimate resource.

What You’ll Learn:

Concepts + Practicality = Mastery:

We don’t just cover theoretical knowledge. Every concept is backed by hands-on coding exercises and practical scenarios that simulate real-world challenges. You’ll learn not just how microservices work, but how to apply this knowledge in real projects through these practice tests.

Diverse Question Types: Encounter a wide range of question types, including:
- Concept-Based Questions: Test your understanding of core principles, ensuring you have a solid foundation in Java Microservices.
- Code-Based Questions: Solve real coding problems that enhances what you will face in technical interviews, proving your practical skills.
- Scenario-Based Questions: Apply your knowledge to real-world situations, preparing you for the complexities of actual projects and interviews. It includes detailed scenarios, such as handling service failure in a distributed system or scaling microservices, to demonstrate how to apply concepts in real-life situations.
- Single-Select Questions: Focus on specific key concepts with questions that require you to identify the one correct answer.
- Multi-Select Questions: Engage with more complex scenarios that require a deeper understanding and the ability to identify multiple correct answers.
Diverse Range of Topics: Gain mastery over essential microservices concepts and tools, including:
- Microservices Architecture: Understand the foundational principles that guide scalable and maintainable systems.
- Service Registry & Discovery: Learn how to use tools like Eureka, Zookeeper, and Consul for service management.
- Feign Client: Explore how Feign simplifies HTTP communication between microservices.
- Config Server: Manage configurations and control a central place for managing external properties for applications across all environments.
- API Gateway: Learn how to handle all incoming API requests and routes them to the appropriate microservice, and functionalities like request routing, load balancing, security, rate limiting, and monitoring.
- Fault Tolerance: Implement resilience strategies with Resilience4j and Hystrix.
- Message Brokers: Explore asynchronous communication using RabbitMQ, Kafka, and other message brokers.
- ELK Stack: Monitor and analyze logs efficiently with Elasticsearch, Logstash, and Kibana.
- Sleuth & Zipkin: Trace microservices interactions for effective debugging.
- Scalability & Performance Monitoring: Ensure your microservices can scale and perform under load.
- Microservices and DevOps Integration: Understand the seamless integration of microservices with CI/CD pipelines.
- API Versioning: Learn best practices for evolving APIs in a microservices environment.
- Logging, Database Management, and Containerization: Manage logs, databases, and deploy microservices with Docker and Kubernetes.

Comprehensive Practice Tests: Explore a wide range of challenging practice questions designed to test your understanding of key Java Microservices concepts from beginners to experts.
In-Depth Explanations: Each question is followed by a detailed explanation, so you not only know the right answer but also understand why it’s correct. For example, in a question about microservices communication, the explanation would cover not just the correct method (like REST vs. messaging) but also why other options might be less effective or unsuitable in certain contexts.
Sample Question: Here is a sample question of the Practice Tests:

Below are three statements about the Strangler Pattern in microservices:
1. The Strangler Pattern is used to add new features to a microservice.
2. It helps in gradually refactoring a monolithic system into microservices.
3. The Strangler Pattern requires rewriting the entire application at once.
Which of the following is the correct option?

(A) Statements 1 & 3 are correct

(B) Statements 2 & 3 are correct

(C) Statement 2 is correct

(D) All statements are correct

Correct Answer: (C)

Explanation:

The Strangler Pattern is used for migrating from a monolithic architecture to microservices, not just for adding new features (Statement 1 is incorrect).
It allows for gradual refactoring, replacing parts of the monolith with microservices over time (Statement 2 is correct).
This approach does not require rewriting the entire application at once (Statement 3 is incorrect).

This course doesn’t just prepare you for interviews, but it prepares you for the real-world challenges you will face as a software developer.

If you find any question erroneous, kindly provide your feedback. The same will be corrected on priority.

Who this course is for:

Those who are users of Microservices such as Java Developers
Team Leaders
Architects
Managers.
Java Developers: Looking to transition into microservices architecture or enhance their existing skills in building scalable
resilient
and efficient Java-based microservices.
Software Engineers: Interested in understanding the principles of microservices
particularly using Java
and applying them to real-world applications.
Backend Developers: Eager to modernize legacy monolithic applications by breaking them down into microservices using Java frameworks like Spring Boot
Spring Cloud
etc.
Technical Architects: Seeking to design robust microservices architectures and want to stay up-to-date with best practices
tools
and technologies in the Java ecosystem.
DevOps Engineers: Looking to integrate Java microservices into CI/CD pipelines
and manage their deployment
scaling
and monitoring in cloud environments.
Students and Fresh Graduates: Aspiring to build a career in software development and want to gain practical knowledge of Java microservices.
Recruiters who wants to take a reference for creating practice sets for any recruitment.
Anyone Interested in Microservices: Whether you are a manager
a team lead
or someone curious about microservices
this course offers insights into the key concepts and practical implementation of Java microservices.

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