IT management
Learn about the core elements of IT management, including operations, tech support and personal computing, as well as terms related to IT careers, certifications and project management.

Certifications
This glossary contains definitions related to IT Certifications.
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What is RHIA (Registered Health Information Administrator)?
A registered health information administrator (RHIA) is a certified professional who oversees the creation and use of electronic health records (EHRs).
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What is AWS Certified Solutions Architect - Associate?
AWS Certified Solutions Architect - Associate is a certification for IT professionals who use Amazon Web Services to design and implement cloud solutions.
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What is Cisco Certified Internetwork Expert (CCIE) certification?
Cisco Certified Internetwork Expert (CCIE) certification is a series of technical certifications for senior networking professionals who design, build, implement, maintain and troubleshoot complex enterprise networking infrastructures.
IT career paths
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What is succession planning?
Succession planning is the strategic process of identifying and developing internal candidates to fill key organizational roles to ensure business continuity and the availability of effective leadership in the face of role transitions, departures or unforeseen events.
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What is a registered health information technician (RHIT)?
A registered health information technician (RHIT) is a certified professional who creates and verifies electronic health records.
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What is RHIA (Registered Health Information Administrator)?
A registered health information administrator (RHIA) is a certified professional who oversees the creation and use of electronic health records (EHRs).
IT Operations
Terms related to the processes and services implemented and managed by an organization’s information technology (IT) department. Topics covered include systems management, configuration management, API management and DevOps, as well as real-time performance monitoring and management.
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What is enterprise architecture (EA)?
An enterprise architecture (EA) is a conceptual blueprint that defines an organization's structure and operation.
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What is a standard operating procedure (SOP)?
A standard operating procedure is a set of step-by-step instructions for performing a routine activity.
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What is an ISV (independent software vendor)?
An ISV (independent software vendor) makes and sells software products that work with computer hardware, operating systems (OSes) or software platforms made by another company.
Personal computing
Terms related to personal computers, including definitions about computers sold as consumer products and words and phrases about laptops, tablets and smartphones.
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What is a cloud access security broker (CASB)?
A cloud access security broker (CASB) is a software tool or service that sits between an organization's on-premises infrastructure and a cloud provider's infrastructure.
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What is mobile application development?
Mobile application development is the set of processes and procedures involved in writing software for small, wireless computing devices, such as smartphones and other hand-held devices.
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What is brain hacking?
Brain hacking, or neurohacking, is the application of techniques or technologies to affect an individual's mental state, cognitive processes or level of function.
Project management
Terms related to project management, including definitions about project management methodologies and tools.
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What is a distributor agreement (distribution agreement)?
A distributor agreement -- also referred to as a distribution agreement -- is a legally binding contract between a vendor or manufacturer and a distributor.
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What is Hyperledger?
Hyperledger is a collection of open source projects created to support the development of blockchain-based distributed ledgers.
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What is a channel strategy?
A channel strategy is a vendor's plan for delivering a product or service to end customers through direct or indirect sales channels.
Technical support
Terms related to computer fundamentals, including computer hardware definitions and words and phrases about software, operating systems, peripherals and troubleshooting.
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What is a reseller?
In the information technology (IT) ecosystem, a reseller is a company that purchases products or services from manufacturers, vendors or distributors and then sells them to customers. These transactions can be business-to-business (B2B) or business-to-consumer (B2C).
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statistical mean, median, mode and range
The terms mean, median, mode, and range describe properties of statistical distributions.
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job
In certain computer operating systems, a job is the unit of work that a computer operator -- or a program called a job scheduler -- gives to the OS.