Question:

On an existing Windows 10 64-bit workstation, you are configuring client-side virtualization. You will execute a second installation of Windows 10 64-bit in the virtual environment as a test system. The bare minimum RAM required for any operating system is 2 GB. A minimum of 20 GB of disk space is required for each Windows installation. What are the bare MINIMUM hardware specifications for this workstation?

A 4 GB of RAM, 40 GB of disk space.

explanation

RAM: The minimum RAM required for any operating system is 2 GB. Since you will be running two instances of Windows 10, you need to account for both. Therefore, the minimum RAM required would be 2 GB + 2 GB = 4 GB.
Disk Space: A minimum of 20 GB of disk space is required for each Windows installation. You will have two installations, so the total disk space required would be 20 GB + 20 GB = 40 GB.

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