Block 4 Unit 2 Flashcards
(34 cards)
What is a combination of software applications and an operating system tricked into thinking it has dedicated hardware?
Virtual Machine
Do VMs have a BIOS, hard disk, memory, CPU, and Operating System? (T/F)
True
______ is the physical computer hardware on which the virtualized environment resides.
Host Server
The _____ or ______ is the link managing communications between the host server and virtualized environment.
Hypervisor, Virtual Machine Monitor
A single virtual environment consists of only one guest OS. (T/F)
False
________ virtualization is a method of simulation a user workstation so it can be accessed form a remotely connected device.
Desktop
Name the three types of desktop virtualization architectures.
Presentation virtualization, Virtual Desktop Infrastructure (VDI), User Profile Virtualization.
What is the most common type of virtualization, partitioning the physical server into smaller virtual servers?
Server Virtualization
Name the three commercial pieces of software that enables server utilization.
VM Ware, Citrix XCenServer, Microsoft Hyper-V
What are the three main types of server virtualization?
Operating-system-level Virtualization, Hardware emulation, Para-virtualization
______ virtualization allows multiple users to simultaneously access the same application installed on a central server.
Application
What type of virtualization is used to pool physical storage from multiple, often separate, network storage devices into one logical storage device that is centrally controlled?
Storage Virtualization
What are the common applications of virtualization technologies?
Load balancing, server pooling, server consolidation, training, development and testing, disaster recovery
What type of hyper visor has the virtualization software installed directly on the machine hardware?
Type-1 (Bare-Metal)
What type of hyper visor is installed onto an operating system?
Type-2 (Hosted)
What is a disadvantage of a Bare-Metal hyper visor?
Limited hardware support due to built in drivers
What are advantages of a Type 2 hyper visor?
Ease of installation and use, flexibility and cost-effectiveness for personal or small-scale virtualization
What are the four main benefits of virtualization?
Increased efficiency and resource utilization, simplified disaster recovery and business continuity, reduced costs, and enhanced recource utilization.
Server consolidation allows one server to virtually host many once-dedicated servers that may have been underutilized in their stand-alone state. (T/F)
True
A Total Cost of Ownership (TCO) benefit increases a business’s return on investment (ROI) and is achieved by _______, _______, and ______.
Increased server utilization, Decreased infrastructure cost, lower cost to deploy new virtual environment.
Name the three environment issues that virtualization addresses.
Reduced electrical energy consumption, Decreased cooling requirement, Decreased physical space.
Dynamically allocating resources to workload is_____ balancing and improve the efficiency and autonomy of resource management.
Automatic load balancing
What are the six main areas of concern regarding virtualization security?
Training & education, Change control, Asset tracking & management, Patch management, Authentication & Authorization, Logging & Auditing
What board considers any changes or upgrades to base infrastructure whether physical or virtual?
Change control and review boards