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Core Layers and Concepts

IT Guide

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Building on the Intro pages, this dashboard provides a “Guided Tour” to the next level of IT information and understanding how IT works.

The content in these 160+ essential IT Handbook topics is available to all users.

The sidebar filters are “primary” – please use the topic levels and Search to refine results. Use live Search to instantly find and highlight all matching text in topic cards on this page.

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IT Concepts

Interactive dashboard for exploring fundamental IT concepts and terminology

Access Control

Access Control

Security Management
Access Management

Access Management

Security Management
User Access Management

Access Rights

User Access Management
Accessibility

Accessibility

End User
Agile Development

Agile Development

Project Management
Application Development

Application Development

Solution Development
Application Programming Interface - API

Application Programming Interface – API

Middleware
Application Release Automation

Application Release Automation – ARA

Delivery Management
Server Platforms

Application Server

Middleware
Artificial Intelligence

Artificial Intelligence – AI

Software Applications
Asset Management

Asset Management

Internal IT Management
Audits

Audits

Internal IT Management
Augmented Reality

Augmented Reality – AR

End User
Back End Software

Back-End Software

Software Applications
Big Data

Big Data

Data
Big Data Technologies

Big Data Technologies

Data
Blockchain Technologies

Blockchain Technologies

Data
Browser

Browser – Internet Browser

End User
Build Management

Build Management

Delivery Management
Business Analysis

Business Analysis

Business Analysis
Business Continuity

Business Continuity

Internal IT Management
Business Intelligence

Business Intelligence – BI

Data
Business Process Modeling - BPM

Business Process Modeling – BPM

Business Analysis
Capacity Management

Capacity Management

Internal IT Management
Certifications

Certifications

External IT Management
Change Management

Change Management

Internal IT Management
Server Platforms

Client-Server Systems

Server Platforms
Cloud Computing

Cloud Computing

Cloud Platforms
Cloud Platforms

Cloud Infrastructure

Cloud Platforms
Cloud Management

Cloud Management

Cloud Platforms
Collaboration Software

Collaboration Software

Software Applications
Compliance

Compliance – IT Compliance

Internal IT Management
Configuration Management

Configuration Management

Delivery Management
Containerization

Containerization

Server Platforms
Content Management

Content Management

Software Applications
Continuous Integration and Delivery

Continuous Integration and Continuous Delivery – CI/CD

Delivery Management
Continuous Integration / Deployment

Continuous Integration and Continuous Deployment – CI/CD

Delivery Management
Cross Functional

Cross-Functional

Internal IT Management
Data

Data

Data
Data Access Layer

Data Access Layer – DAL

Database
Data Analysis

Data Analysis

Data
Data Analytics

Data Analytics

Data
Data Backup

Data Backup

Data Storage
Data Center

Data Center

Data Center
Data Center Automation

Data Center Automation

Data Center
Data Management

Data Management

Data
Data Model

Data Modeling

Data
Data Processing

Data Processing

Data
Data Science

Data Science

Data
Data Storage

Data Storage

Data Storage
Data Warehouse

Data Warehouse

Data
Database

Database

Database
Database Access

Database Access

Database
Database Backup

Database Tools

Database
Software Debugging

Debugging

Solution Development
Defect Management

Defect Management

Quality Assurance
Delivery Management

Delivery Management

Delivery Management
IT Guide

Demand Management

Internal IT Management
Deployment Management

Deployment Management

Delivery Management
Design Patterns

Design Patterns

Solution Development
Desktop Computer

Desktop

End User
Development Management

Development Management

Solution Development
DevOps

DevOps

Solution Development
Disaster Recovery

Disaster Recovery – DR

Internal IT Management
Document Management

Document Management

Software Applications
Documentation

Documentation

Internal IT Management
E-Commerce

E-Commerce

Software Applications
E-learning

E-Learning

Software Applications
E-Mail

Email

Software Applications
Embedded Systems

Embedded Systems

Operating Systems
End User

End User

End User
End User Devices

End User Devices

End User
End User Support

End User Support

User Support
Enterprise Applications

Enterprise Applications

Software Applications
Enterprise Resource Planning systems

Enterprise Resource Planning Systems – ERP

Software Applications
Environment

Environment

Delivery Management
Event Management

Event Management

System Support
External IT Management

External IT Management

External IT Management
Extract Transform Load

Extract Transform Load – ETL

Data
File Types

File Types

Operating Systems
Front End Development

Front-end Development

Solution Development
Front-End Technologies

Front-end Technologies

Solution Development
Governance

Governance

Internal IT Management
Helpdesk

Help Desk

User Support
Identity Access Management - IAM

Identity Access Management – IAM

User Access Management
Implementation Management

Implementation Management

Delivery Management
Incident Management

Incident Management

System Support
Cloud Platforms

Infrastructure and Cloud Platforms

Cloud Platforms
Integrated Development Environment

Integrated Development Environment – IDE

Solution Development
Internal IT Management

Internal IT Management

Internal IT Management
Internet Security

Internet Security

Security Management
Intranet

Intranet

Software Applications
Intrusion Detection

Intrusion Detection Systems – IDS

Security Management
Intrusion Prevention Systems

Intrusion Prevention Systems – IPS

Security Management
Issue Tracking

Issue Tracking

Internal IT Management
IT Architecture

IT Architecture

Internal IT Management
IT Frameworks

IT Frameworks

Internal IT Management
IT Strategy

IT Strategy

Internal IT Management
Job Scheduling

Job Scheduling

System Support
Libraries in Software Development

Libraries

Solution Development
Logging

Logging

System Support
Machine Learning

Machine Learning – ML

Software Applications
Methodology

Methodologies

Internal IT Management
Middleware

Middleware

Middleware
Mobile Technologies

Mobile Technologies

End User
System Monitoring

Monitoring – System Monitoring

System Support
Multimedia

Multimedia

End User
Network

Network

Network
Network Management

Network Management

Network
Network Security

Network Security

Network
Network Support

Network Support

System Support
Network Technologies

Network Technologies

Network
Object Relational Mapping

Object Relational Mapping – ORM

Solution Development
Object Oriented Programming

Object-Oriented Programming – OOP

Solution Development
Open-Source Software

Open-Source Software

External IT Management
Operating System

Operating Systems – OS

Operating Systems
Software Packaging

Packaging

Delivery Management
Payment Gateways

Payment Gateways

Middleware
Performance Management

Performance Management

Internal IT Management
Portfolio Management

Portfolio Management

Internal IT Management
Production Support

Production Support

System Support
Programming

Programming

Solution Development
Programming Languages

Programming Languages

Solution Development
Project Management

Project Management

Project Management
Quality Assurance

Quality Assurance – QA

Quality Assurance
Release Management

Release Management

Delivery Management
Reporting

Reporting

Software Applications
Requirements Management

Requirements Management

Business Analysis
Scripting Languages

Scripting Languages

Solution Development
Scrum Methodology

Scrum Methodology

Project Management
Search

Search Technologies – Search

Middleware
Security

Security – IT Security

Security Management
Server-Side

Server-Side

Software Applications
Server Racks

Servers

Server Hardware
Service Oriented Architecture

Service-Oriented Architecture – SOA

Middleware
Software Applications

Software Applications

Software Applications
Software Configuration Management

Software Configuration Management – SCM

Internal IT Management
Software Development

Software Development

Solution Development
Software Development Methodology

Software Development Methodologies

Solution Development
Software Distribution

Software Distribution

Delivery Management
Software Types

Software Types

Internal IT Management
Source Code Management

Source Code Management

Solution Development
Storage Networking

Storage Networking

Data Storage
System Administration

System Administration

Infrastructure
System Integration

System Integration

Middleware
Systems Management

Systems Management

System Support
Task Automation

Task Automation

Software Applications
Tech Support

Technical Support

User Support
Testing

Testing

Quality Assurance
Threat Management

Threat Management

Security Management
User Interface

User Interfaces

End User
Vendor Management

Vendor Management

External IT Management
Version Control

Version Control

Solution Development
Virtual Reality

Virtual Reality – VR

End User
Virtualization

Virtualization

Operating Systems
Voice Networking

Voice Networking

Network
Web Technologies

Web Applications

Software Applications
Web Development

Web Development

Solution Development
Web Frameworks

Web Frameworks

Solution Development
Web Server

Web Server

Middleware
Web Services

Web Services

Middleware
Web Technologies

Web Technologies

Software Applications
Wireless Networking Technologies

Wireless Networking Technologies

Network