Data centers
Definitions used in data center management, including hardware, virtualization and cloud computing.

Data backup and disaster recovery
Terms related to backup and recovery, including definitions about making copies of data and words and phrases about restoring original data after a data loss event.
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What is business continuity software?
Business continuity software is an application or suite designed to make business continuity planning/business continuity management (BCP/BCM) processes, metrics and compliance more efficient and accurate.
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What is a pandemic plan?
A pandemic plan is a documented strategy for how an organization plans to provide essential services when there is a widespread outbreak of an infectious disease.
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What is change control?
Change control is a systematic approach that includes the various steps needed to process changes made to a product or system.
Data center management
Terms related to data centers, including definitions about network operations centers (NOCs) and words and phrases about the storage, management and the transmission of data.
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What is database as a service (DBaaS)?
Database as a service (DBaaS) is a cloud computing managed service offering that provides access to a database without requiring the setup of physical hardware, the installation of software or the need to configure the database.
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What is green networking?
Green networking is the practice of selecting energy-efficient networking technologies and products to minimize resource use whenever possible.
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What is a power distribution unit (PDU)?
A power distribution unit (PDU) is a device for controlling data center electrical power.
Linux
Definitions related to Linux, including tech terms about open source and words and phrases about Linux distributions and software development.
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What is the principle of least privilege (POLP)?
The principle of least privilege (POLP) is a concept in computer security that limits users' access rights to only what is strictly required to do their jobs.
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What is Bash (Bourne Again Shell)?
Bash (Bourne Again Shell) is the free and enhanced version of the Bourne shell distributed with Linux and GNU operating systems.
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What is a remote desktop and how does it work?
A remote desktop is a program or an operating system feature that allows a user to connect to a computer in another location, see that computer's desktop and interact with it as if it were local.
Operating systems
Definitions related to operating systems, including tech terms about open source and proprietary operating systems and words and phrases about system programs, boot mechanisms, kernels, command interpreters, DLL libraries and drivers.
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What is NTFS and how does it work?
NTFS, which stands for NT file system and the New Technology File System, is the file system that many versions of the Windows and Windows Server operating systems (OSes) use for storing, organizing, and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).
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What is the principle of least privilege (POLP)?
The principle of least privilege (POLP) is a concept in computer security that limits users' access rights to only what is strictly required to do their jobs.
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Apple iOS
Apple iOS is a proprietary mobile operating system that runs on mobile devices such as the iPhone and iPad.
Storage Admin
Terms related to data storage management, including definitions about enterprise storage and words and phrases about storage infrastructure, storage capacity and hierarchical storage management (HSM).
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What is NTFS and how does it work?
NTFS, which stands for NT file system and the New Technology File System, is the file system that many versions of the Windows and Windows Server operating systems (OSes) use for storing, organizing, and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).
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What is green networking?
Green networking is the practice of selecting energy-efficient networking technologies and products to minimize resource use whenever possible.
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What is computer room air conditioning (CRAC)? CRAC vs. CRAH unit differences?
A computer room air conditioning (CRAC) unit is a device that monitors and maintains the temperature, air distribution and humidity in a data center, network or server room.
Storage and Data Mgmt
Definitions about storage and data management including backup/recovery vocabulary, business intelligence terminology, storage area networks and database management.
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What is NTFS and how does it work?
NTFS, which stands for NT file system and the New Technology File System, is the file system that many versions of the Windows and Windows Server operating systems (OSes) use for storing, organizing, and retrieving files on hard disk drives (HDDs) and solid-state drives (SSDs).
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What is green networking?
Green networking is the practice of selecting energy-efficient networking technologies and products to minimize resource use whenever possible.
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What is bit (binary digit) in computing?
A bit (binary digit) is the smallest unit of data that a computer can process and store. It can have only one of two values: 0 or 1.
Virtualization
Terms related to virtualization, including definitions about virtualization technologies and words and phrases about server virtualization, desktop virtualization and storage virtualization.
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What is green networking?
Green networking is the practice of selecting energy-efficient networking technologies and products to minimize resource use whenever possible.
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What is network as a service (NaaS)?
Network as a service (NaaS) is a cloud model for delivering various network services virtually on a subscription basis.
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What is app virtualization (application virtualization)?
App virtualization (application virtualization) is the installation of an application on one computer and enabling an end user's client computer to remotely access that application.