14 Questions
What is the main purpose of a Virtual Machine?
To create the illusion of multiple physical computers
In a Virtual Machine, what is the role of 'Virtual user mode'?
Running different operating systems concurrently
How does virtualization protect the host system from virtual machines?
By isolating each virtual machine from all others
What potential disadvantage is mentioned regarding isolation in virtual machines?
Prevents sharing of resources
Why is a virus inside a guest operating system unlikely to affect the host system in a Virtual Machine setup?
Due to the complete isolation between virtual machines
How are sharing of resources enabled in Virtual Machines according to the text?
Sharing a file-system volume
What modes must a Virtual Machine have according to the text?
'Virtual user mode' and 'virtual kernel mode'
What is an important advantage of virtualization that ensures protection of resources?
Host system protection from virtual machines
What is the key idea behind a Virtual Machine?
Sharing hardware resources of a single computer for multiple execution environments
Why is the isolation of virtual machines considered advantageous?
It protects the host system and virtual machines from each other
What is a potential drawback of isolation in virtual machines?
Resource sharing becomes difficult
How are Virtual Machine modes related to physical machine modes?
Virtual modes mirror physical machine modes
What does the text suggest as a method to enable resource sharing in Virtual Machines?
Implementing shared file-system volumes
Why is it mentioned that a virus in a guest operating system is unlikely to affect the host system?
Each virtual machine is isolated from others
Learn about the fundamental idea behind virtual machines, how they abstract hardware into different execution environments, and create the illusion of separate private computers. Explore the implementation of virtual machines with virtual user mode and virtual kernel mode.
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