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Multiple ChoiceIntermediate 45s

Microservice prerequisites

Which is a genuine prerequisite (not a benefit) for microservices to pay off?
Options
  1. 1A larger headcount of engineers. More teams are needed to build and run the services.
  2. 2A NoSQL database. Services need schemaless storage to evolve freely.
  3. 3Strong automation: CI/CD, observability, and independent deployability
  4. 4A service mesh. The network must route between the decomposed services.

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