a software developer is testing an accounting application on a windows 10 desktop computer and needs to perform testing of this same application on windows 7, windows 8.1, and linux operating systems. due to company policy, the developer must use her existing computer and must be disconnected from the company network while performing these tests.



Answer :

To solve that problem, the software developer needs to install a Type 2 hypervisor and create the Windows VMs and a Linux VM. This is because by using virtual machine, we can try to testing different operating system and no need to connect to a network since it can connect from one device.

To execute applications and run programs, a virtual machine (VM) uses software as opposed to a physical computer. One or more virtual "guest" machines are running on a physical "host" machine. Each virtual machine has its own operating system and functions independently of the others even though they are all running on the same host. This implies that a physical PC may, for instance, host a virtual MacOS system.

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