Hypervisor

A hypervisor is software that creates and runs virtual machines by allocating physical hardware resources to them. A+ Core 1 covers client-side virtualization, hypervisor types, and the resources a VM requires.

Related Terms

All 220-1201 Terms

Motherboard

A motherboard is the main printed circuit board that connects a computer's CPU, RAM, storage, and expansion cards and routes power and data between them.

BIOS/UEFI

The BIOS/UEFI is the firmware that initializes hardware and starts the boot process when a computer powers on.

RAM

RAM (random-access memory) is the volatile working memory a computer uses to hold running programs and data.

SSD

A solid-state drive (SSD) is a storage device that uses flash memory with no moving parts, offering much faster access than a hard disk drive.

RAID

RAID (redundant array of independent disks) is a technology that combines multiple drives for performance, redundancy, or both.

TCP/IP Port

A TCP/IP port is a numbered endpoint that identifies a specific network service on a device, such as 443 for HTTPS or 53 for DNS.

DHCP

DHCP (Dynamic Host Configuration Protocol) is the service that automatically assigns IP addresses and network settings to devices.

DNS

DNS (Domain Name System) is the service that resolves human-readable names such as example.

802.11

Wi-Fi is the common name for the IEEE 802.

Access Point

An access point is a networking device that lets wireless clients connect to a wired network.

Hypervisor

A hypervisor is software that creates and runs virtual machines by allocating physical hardware resources to them.

IaaS

Infrastructure as a Service (IaaS) is a cloud model that delivers virtualized compute, storage, and networking that customers manage themselves.

POST

POST (power-on self-test) is the diagnostic sequence firmware runs at startup to check core hardware before booting.