Virtualization Basics
What is Virtualization?
Answer: What is the creation of a virtual version of an OS, server, storage, or network.
What is Desktop Virtualization used for?
Answer: What is Running VMs on a host server, often for dev/testing.
What are the two main types of hypervisors?
Answer: What is Type 1 (bare metal) and Type 2 (hosted).
What makes up a VM?
Answer: What is a CPU, RAM, Network Interface, Storage.
What is Live Migration?
Answer: What is Moving VMs without downtime.
Name one benefit of virtualization.
What is Partitioning, Isolation, Encapsulation, or Hardware Independence.
What is Application Virtualization?
Answer: What is Running apps independent of the OS.
Give an example of a Type 1 hypervisor.
Answer: What is VMware ESXi, Microsoft Hyper-V.
What is a vNIC?
Answer: What is a Virtual network interface card.
What does vSAN stand for?
Answer: What is VMware Virtual Storage Area Network.
What separates physical resources in virtualization?
Answer: What is a hypervisor.
What is Server Virtualization?
Answer: What is Turning one server into multiple virtual servers.
Give an example of a Type 2 hypervisor.
Answer: What is VMware Workstation, VirtualBox.
Why should you not oversize RAM in a VM?
Answer: It harms host performance.
Which storage type allows easy backup and recovery?
Answer: What is Storage Virtualization.
What are the three major components of a virtualized environment?
Answer: What is Guest, Virtualization Layer, Host.
What is Network Virtualization?
Answer: What is Managing and monitoring entire networks virtually.
Which type has higher latency?
Answer: What is Type 2 (hosted).
What file extension do virtual disks use?
Answer: .vmdk
What should always be installed on VMs for optimization?
Answer: What is VMware Tools.
Why does virtualization avoid wasting power?
Answer: What are partitions resources efficiently without unused processing power.
What is Storage Virtualization?
Answer: What is Pooling multiple storage devices into one resource.
Which hypervisor type is more secure?
Answer: What is Type 1 (bare metal).
Is the user experience of a VM different from a physical machine?
Answer: No, it is nearly identical.
What are NAS and SAN examples of?
Answer: What is Types of data stores.