Your company wants to deploy several microservices to help their system handle elastic loads. Each microservice uses a different version of software libraries. You want to enable their developers to k

Question

Options

• ARPM/DEB
• BContainers
• CChef/Puppet
• DVirtual machines

• A
  2% (1)
• B
  92% (55)
• C
  2% (1)
• D
  5% (3)

Explanation

A is not correct because although OS packages are a convenient way to distribute and deploy libraries, they don't directly help with synchronizing. Even with a common repository, the development environments will probably deviate from production. B is correct because using containers for development, test, and production deployments abstracts away system OS environments, so that a single host OS image can be used for all environments. Changes that are made during development are captured using a copy-on-write filesystem, and teams can easily publish new versions of the microservices in a repository. C is not correct because although infrastructure configuration as code can help unify production and test environments, it is very difficult to make all changes during development this way. D is not correct because virtual machines run their own OS, which will eventually deviate in each environment, just as now.

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