WGU D322 Introduction to
IT – Course Guide, Study
Materials & Practice
Resources
Page 1
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,WGU D322 Introduction to IT 2026-03-02
Information Technology
The technology used in creating, maintaining, and making information accessible.
IT Professional Roles
Administration and Support
System Administrator
Maintains all aspects of the system including hardware, software, and programming.
Network Administrator
In charge of all aspects of the computer network
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Database Administrator
Focuses on the design, development, and support of database management systems (DBMSs).
Security Administrator
Installs, configures, and administers firewall security to protect systems and proactively work to stop
intrusions.
Web Administrator
Installs, configures, maintains, secures, and troubleshoots web severs.
Support IT Professionals
Help desk and training.
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Information
Processed data.
DIKW Hierarchy
Defines the transition of data to information from knowledge to wisdom. (Data Information
Knowledge Wisdom)
Data in DIKW
The input directly received by the user (or computer). It is generally not usable until it has been
converted into a relevant form.
Information in DIKW
Having been inferred from data; one or more processes have been applied to the data to transform
it into a more useful form.
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