Which component is a key part of software container systems?

Question

Options

• AOperating system
• BWorkload tools
• CAn automated controller.
• DThe execution environment
• EA client

• A
  13% (3)
• C
  4% (1)
• D
  75% (18)
• E
  8% (2)

Explanation

Containers are code execution environments that run within an operating system (for now), sharing and leveraging resources of that operating system. While a VM is a full abstraction of an operating system, a container is a constrained place to run segregated processes while still utilizing the kernel and other capabilities of the base OS. Multiple containers can run on the same virtual machine or be implemented without the use of VMs at all and run directly on hardware. The container provides code running inside a restricted environment with only access to the processes and capabilities defined in the container configuration. This allows containers to launch incredibly rapidly, since they don’t need to boot an operating system or launch many (sometimes any) new services; the container only needs access to already-running services in the host OS and some can launch in milliseconds.

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