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IT Dictionary

Clear, practical definitions to understand network, security, systems and IT vocabulary.

Filter by topic 63 topics
59matching definitions · 1,058 in the dictionary Clear filters
DEFINITION

Snapshot

A snapshot captures a virtual machine or storage volume's state at a point in time for certain rollback operations; it is not an independent backup.

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DEFINITION

Storage DRS

the VMware vSphere feature that recommends or automates virtual-disk placement and balancing across datastores in a datastore cluster

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DEFINITION

vCenter

vCenter Server centralizes ESXi host, virtual-machine and cluster management in a VMware vSphere environment.

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DEFINITION

Virtual Machine

A virtual machine (VM) is an isolated software-defined computer that runs its own guest operating system on physical host resources through a hypervis...

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DEFINITION

VM Escape

A VM escape is a security vulnerability that lets code in a guest cross the isolation boundary into the host or hypervisor.

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DEFINITION

VM Template

A VM template is a prepared reference for deploying consistent virtual machines, with separate customization for each new instance.

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