Important Terms

A more modern name for a Virtual Machine Manager (VMM) is a hypervisor Companies use virtualization to do all of the following except: Reduce the amount of applications in corporate datacenters Only limited application types can be run in a virtual machine. More complex systems like databases and email services cannot be virtualized. False What two information technology trends helped drive the need for virtualization? The explosive growth of Microsoft Windows on servers in corporate datacenters. The constantly increasing capabilities of corporate servers due to Moore's Law. A Terabyte is equivalent to ___________ Gigabytes. 1024 Moore's Law states that processing power triples every eighteen months. False Today, companies are deploying more virtual machines than physical servers. True Moore's Law defines the three properties that a Virtual Machine Manager (VMM) must possess to be considered efficient. False Virtualization was developed and used on computers during which decade? 1960's _______________ is when companies use virtualization to deploy all new applications as virtual machines. Containment The _____________________ is the measure of how servers are condensed as a result of virtualization. (Two words.) consolidation ratio Which of the following is not one of Popek and Goldberg's properties that a VMM would need to exhibit in order to be considered efficient? Persistence The _________ hypervisor is an example of an open-source project. Xen A virtual machine can: Can only see resources allocated by the hypervisor Hypervisor control memory and processor resources while Virtual Machines control their own network and storage resources. False The hypervisor handles all of the storage I/O requests from the guest the network I/O, memory processing, and CPU work. A hypervisor is a specialized hardware device that facilitates virtualization. False Guest or VM is another term for ______________. virtual machine VMM stands for the term ________. Virtual Machine Manager Virtual machines that run on Type-1 hypervisors are considered to be more secure and better performing than those running on Type-2 hypervisors. True The first commercial x86 hypervisor was released by: VMware Another name for a virtualization server is a: Host A _____________ hypervisor runs directly on the server hardware to provide resources to the virtual machines it supports. Type 1 Server virtualization is limited to the x86 processor class of hardware. False A ____________ hypervisor runs on top of an operating system to provide resources to the virtual machines it supports. Type 2 Possible changes to virtual CPUs in a virtual machine include only the amount of virtual CPUs True A ______________ is a specialized VM that contain an operating system and is preloaded and pre-configured with an application. Virtual appliance The least privileged Ring in the x86 Processor architecture is Ring: 3 A new virtual machine created by copying an existing virtual machine is called a _____________. clone Once a copy is created from a virtual machine's files, the new clone can be powered on and safely deployed in the environment without any alterations. False All virtual machine to virtual machine communications must take place across the physical network, even if the two virtual machines reside on the same physical server. False When a virtual machine's operating system issues a shutdown command, what happens? The hypervisor traps the command and tells the virtual machine the virtual hardware is shutting down. _____________ allow a user to return a virtual machine to prior state in time. Snapshots NFS, fibre channel, and iSCSI are all examples of ___________ connection types. storage The OVA standard provides a platform and vendor-neutral format to bundle and deploy virtual machines. False x86 processor architecture provides four different levels of command execution to provide security. These levels are often referred to as ____________. rings A virtual machine that is created expressly for the purpose of being a standardized mold to create new VMs is called a: Template Suspending an application is mandatory during a Physical-to-Virtual conversion process to ensure all changes are migrated to the newly created virtual machine correctly. False The New Virtual Machine Wizard of VMware Player allows you to install an operating system from: (Choose all that apply.) CD/DVD drive ISO image on the file system Both containment and consolidation strategies reduce the number of physical servers in a datacenter. True Virtual machines are limited to running only Microsoft Windows and Red Hat Linux as their operating systems. False Which of the following is not a process when dealing with virtual infrastructures: P2P Most virtual servers are often configured with ____________ memory and processor resources than their physical counterparts. less