Spring Cloud Architect Assessment

Q: What is this java-spring-boot mock test?

This is a comprehensive java-spring-boot mock test with 25 questions covering Service Discovery, API Gateway, Distributed Configuration. It simulates real technical interviews with timed conditions and provides detailed explanations.

Q: How long does the test take?

The test has a time limit of 90 minutes. You can pause and resume, but we recommend completing it in one sitting.

Q: Will I get feedback on my answers?

Yes! After each question, you receive immediate feedback with detailed explanations. At the end, you get a comprehensive report showing your strengths and areas for improvement.

Q: Is this test suitable for FAANG interview preparation?

Absolutely! Our questions are curated by FAANG interviewers and cover the exact topics and difficulty levels you'll encounter in top tech company interviews.

Question 1

In Spring Cloud Netflix Eureka, what is the difference between a Eureka Server and a Eureka Client?

Answer

Eureka Server acts as service registry; Eureka Client registers itself with the server and discovers other services

Question 2

What is the purpose of @EnableDiscoveryClient vs @EnableEurekaClient in Spring Cloud?

Answer

@EnableEurekaClient is specific to Eureka; @EnableDiscoveryClient works with any service registry (Consul, Zookeeper, Eureka)

Question 3

What is the 'Self-Preservation' mode in Netflix Eureka and why is it important?

Answer

When Eureka Server stops expiring registrations if too many heartbeats fail, preventing service wipe-out during network issues

Question 4

In Spring Cloud Gateway, what is the correct order of execution for a request?

Answer

GlobalFilter → RoutePredicate → WebHandler

Question 5

How does Spring Cloud Gateway implement circuit breaking compared to Zuul 1.x?

Answer

Gateway uses Resilience4j integration via Spring Cloud Circuit Breaker (supports reactive, non-blocking)

Question 6

What is the purpose of Spring Cloud Config Server's 'encryption' support?

Answer

To encrypt sensitive property values (e.g., passwords, API keys) using symmetric or asymmetric keys

Question 7

What is the difference between 'spring.cloud.config.uri' and 'spring.cloud.config.discovery.enabl...

Answer

uri points directly to Config Server URL; discovery.enabled uses service discovery to locate Config Server by service ID

Question 8

What is the 'Circuit Breaker' pattern and which states does Resilience4j implement?

Answer

Three states: CLOSED (normal), OPEN (failing fast), HALF_OPEN (testing recovery)

Question 9

How do you configure Resilience4j retry with Spring Cloud Circuit Breaker?

Answer

Retry is separate; combine @Retry with @CircuitBreaker

Question 10

What is the 'Bulkhead' pattern and which types does Resilience4j support?

Answer

Both semaphore (limit concurrent calls) and thread pool (limit concurrent threads) bulkheads

Spring Cloud Architect Assessment

Difficulty

Topics Covered

What You'll Get