Microservices MCQs with answers Page - 5

Here, you will find a collection of MCQ questions on Microservices. Go through these questions to enhance your preparation for upcoming examinations and interviews.

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A

Arogya • 850 Points
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Q. Which annotation registers a service as a Eureka client?

  • (A) @EnableDiscoveryClient
  • (B) @Component
  • (C) @Autowired
  • (D) @Repository

A

Arogya • 850 Points
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Q. What is the default Eureka Server port?

  • (A) 8080
  • (B) 8761
  • (C) 3306
  • (D) 9090

A

Arogya • 850 Points
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Q. What information does a service register with Eureka?

  • (A) Source code
  • (B) IP address and port
  • (C) Database password
  • (D) User credentials

A

Arogya • 850 Points
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Q. How does Eureka detect if a service is alive?

  • (A) Manual checking
  • (B) Heartbeat mechanism
  • (C) Database query
  • (D) Log monitoring

A

Arogya • 850 Points
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Q. What happens if a service stops sending heartbeats?

  • (A) Eureka restarts the service
  • (B) Service is removed from registry
  • (C) Database is cleared
  • (D) Server crashes

A

Arogya • 850 Points
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Q. Which property sets the Eureka server URL in client configuration?

  • (A) spring.datasource.url
  • (B) eureka.client.serviceUrl.defaultZone
  • (C) server.port
  • (D) spring.application.name

A

Arogya • 850 Points
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Q. Which load balancer works with Eureka in Spring Cloud?

  • (A) Ribbon
  • (B) Hibernate
  • (C) JPA
  • (D) Servlet

A

Arogya • 850 Points
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Q. What is self-preservation mode in Eureka?

  • (A) Deletes all services
  • (B) Prevents mass eviction during network failure
  • (C) Restarts server automatically
  • (D) Stops all clients

A

Arogya • 850 Points
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Q. Eureka server dashboard is accessible at:

  • (A) /home
  • (B) /eureka
  • (C) /dashboard
  • (D) /admin

A

Arogya • 850 Points
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Q. Which communication is used between services discovered by Eureka?

  • (A) REST/HTTP
  • (B) FTP
  • (C) SMTP
  • (D) Bluetooth

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