QuestionQ336

Infrastructure and Automation

What is one benefit of operating multiple instances of a back-end service and using load balancing to distribute communication between the front-end and back-end services?

  • A High availability is provided for the back-end services.
  • B Scaling horizontally is automated out of the box.
  • C The total load on the database servers decreases.
  • D The consistency of data for stateful services increases.
Explanation

Multiple back-end instances provide redundancy, and a load balancer can direct requests to healthy remaining instances when an instance becomes unavailable. This improves high availability for the back-end service.

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