Spring Cloud Eureka & Load Balancer Quiz

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Eureka registry and client-side load balancing

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Gaurav Bhola

India

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Spring Cloud Eureka & Load Balancer Quiz


Spring Cloud Eureka & Load Balancer QuizVersion en ligne Eureka registry and client-side load balancing par Gaurav Bhola 1 What is Eureka in Spring Cloud used for? a A message broker b A cache store c An API gateway d A service registry for discovery 2 What is a Eureka server's primary role? a Store configuration only b Route HTTP requests c Provide streaming data d Maintain a registry of available services 3 How do services register with Eureka? a Using a separate sidecar process b Only after first request c Manually via config files d Through a Eureka client at startup 4 What does Spring Cloud Load Balancer provide? a Global traffic routing only b Server-side balancing only c Client-side load balancing d DNS round-robin only 5 How does Load Balancer pick a service instance? a Uses discovery information via DiscoveryClient b DNS records only c Uses a fixed list only d Hard-coded IPs 6 What has Ribbon been replaced by in Spring Cloud? a Feign b Zuul c Spring Cloud Load Balancer d Hystrix e Ribbon 7 Which interface enables a client to choose an instance? a CircuitBreaker b LoadBalancerClient c ConfigServer d DiscoveryClient 8 How do you enable Eureka in a Spring Boot app? a spring-cloud-starter-netflix-eureka-server b spring-boot-starter-actuator c spring-boot-starter-web d Add spring-cloud-starter-netflix-eureka-client 9 What does a Eureka client need to register? a Database credentials b API key only c Eureka server URL and app name d Message broker address 10 Why use client-side load balancing with Eureka? a Reduces latency and improves resilience b Removes need for discovery c Increases server load d Eliminates retries Feedback 1 Eureka stores service instances so clients can discover them. 2 It tracks instances and their health for discovery. 3 Clients register on startup and periodically renew leases. 4 It balances requests from the client to service instances. 5 It consults the service registry to select an instance. 6 Ribbon is deprecated; Load Balancer handles client-side balancing now. 7 LoadBalancerClient abstracts the selection of a service instance. 8 This starter enables the Eureka client for registration. 9 Client needs the server endpoint and a service name for registration. 10 Clients pick instances to balance load and tolerate failures.

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Spring Cloud Eureka & Load Balancer Quiz

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Spring Cloud Eureka & Load Balancer QuizVersion en ligne

par Gaurav Bhola

What is Eureka in Spring Cloud used for?

What is a Eureka server's primary role?

How do services register with Eureka?

What does Spring Cloud Load Balancer provide?

How does Load Balancer pick a service instance?

What has Ribbon been replaced by in Spring Cloud?

Which interface enables a client to choose an instance?

How do you enable Eureka in a Spring Boot app?

What does a Eureka client need to register?

Why use client-side load balancing with Eureka?

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