Spring Cloud Communication & Stakeholder Relations 3

Question 1

A business analyst asks how Spring Cloud OpenFeign simplifies service-to-service communication compared to RestTemplate. What is the key advantage?

Accepted Answer

OpenFeign generates HTTP client code from a declarative interface, eliminating boilerplate

Answer

OpenFeign lets developers define HTTP clients as annotated interfaces and generates the implementation automatically, drastically reducing boilerplate code.

Question 2

Your team needs to communicate service health status to an SRE team monitoring Spring Boot applications. Which dependency exposes the /actuator/health endpoint with detailed status?

Accepted Answer

spring-boot-starter-actuator

Answer

spring-boot-starter-actuator provides the /actuator/health endpoint that reports component-level health details usable by SRE monitoring tools.

Question 3

A security architect asks how Spring Cloud Config Server can protect sensitive property values. What is the recommended approach?

Accepted Answer

Use Spring Cloud Config's encryption/decryption with symmetric or asymmetric keys

Answer

Spring Cloud Config supports encrypting property values with symmetric (AES) or asymmetric (RSA) keys via the /encrypt and /decrypt endpoints.

Question 4

A stakeholder asks which Spring Cloud pattern prevents a failing service from taking down its callers. Which concept addresses this?

Accepted Answer

Circuit breaker pattern

Answer

The circuit breaker pattern (implemented via Resilience4j in Spring Cloud) stops calls to a failing service and returns a fallback, protecting callers from cascading failures.

Question 5

An architect wants to communicate to the team how Spring Cloud LoadBalancer differs from Netflix Ribbon. What is the primary distinction?

Accepted Answer

Spring Cloud LoadBalancer is actively maintained and Ribbon is in maintenance mode

Answer

Spring Cloud LoadBalancer is the actively maintained replacement for Netflix Ribbon, which entered maintenance mode and is no longer recommended for new projects.

Spring Cloud Practice Test

Spring Cloud Practice Test

Spring Cloud Communication & Stakeholder Relations 3