Lesson 3a (Virtualization) Flashcards
1
Q
Bare metal hypervisor
A
Runs on hardware
2
Q
Hosted hypervisor
A
runs on top of os
3
Q
What was the vision of VM370
A
each user has their own os
4
Q
Why is virtualization popular now
A
Companies want to provide services (utility)
5
Q
Trap and execute
A
The guest OS issues privileged instruction this is trapped by the hypervisor
6
Q
How are instructions trap do not trap handled
A
Binary editing. The vm edits those op codes to a set of instructions that will cause a trap
7
Q
What is para virtualization
A
the vm provides calls that the guest os kernel can take advantage of (xen)
