In computing, a hypervisor, also called virtual machine manager (VMM), is one of many hardware virtualization techniques that allow multiple operating systems, termed guests, to run concurrently on a... More > host computer. It is so named because it is conceptually one level higher than a supervisory program. The hypervisor presents to the guest operating systems a virtual operating platform and manages the execution of the guest operating systems. Multiple instances of a variety of operating systems may share the virtualized hardware resources. Hypervisors are installed on server hardware whose only task is to run guest operating systems.
The term is often used to describe the interface provided by the specific cloud computing functionality infrastructure as a service (IaaS).
This book is your ultimate resource for Hypervisor. Here you will find the most up-to-date information, analysis, background and everything you need to know.< Less
These exams share quite many common elements and study resources, so we recommend that you go for them together. The exam contents as of the time of this writing are based on SC pre-SP1. However,... More > information included in this book can ALSO be applied to SC SP1. 70-243 has many questions on SCCM while 70-247 covers a lot of VMM stuff. 70-246 has many questions on SCOM/SCCM and some on SCO.
Many of the exam questions are written to be less straight forward. They tend to be framed within the context of short scenarios. The exams are not too difficult. However, coverage is very comprehensive – a wide range of topics are presented in the official topic lists. The exams do not ask you to answer hundreds of questions. In other words, only a small fraction of the official topics will be presented. For the 247 exam in particular, the majority of questions are related to the Virtual Machine Manager.< Less