Virtualization Midterm Review questions with correct answers

What component of virtualization controls all physical memory, and thus has the ability to make any unused memory pages in each guest available for other virtual machines or the host computer? - Answer The Hypervisor What virtualization technology makes it possible to avoid overhead associated with software-managed shadow page tables? - Answer Second Level Address Translation (SLAT) What does an operating system installed in a guest virtual machine do /do best/not do well/etc.? - Answer an operating system installed in a guest virtual machine interacts with installed hardware through a thin layer of software called the virtualization layer or hypervisor. What hypervisor uses a special guest called Domain 0 that loads along with the hypervisor and is used to directly access the hardware? - Answer Xen An ISO image file uses what format to store a disc's contents in a single file on a computer? - Answer ISO 9660 What type of cloud computing service provides hardware infrastructure along with necessary operating system software for running client applications? - Answer Platform as a Service What is the most commonly used form of a Storage Area Network? - Answer An iSCSI network