Hexadecimal Numbering System
By Patrick Hoppe
In this learning activity you'll review the hexadecimal numbering system.
User Experience Design: Fitts Law
By Kimberly Reed
In this activity, you'll learn how Fitt's Law applies to user experience design.
Working with Zip Files
By carlfranklin
In this learning activity you'll learn what Zip files are, their origins, and how to work with them in Windows.
SEO: Analytics
In this activity, you will explore what web analytics are and how to use them for site optimization.
Denial of Service Attacks
By Joseph Wetzel
In this learning activity you'll explore what a denial of service attack is and learn how a single hacker can take down an entire system.
SEO - Site Organization and Structure
In this activity, we will explain the mechanics of site structure and the role it plays in search engine optimization.
IT Project Management: Methodologies
You'll explore two unique project management methodologies for developing software.
Firewall: Stateful Packet Inspection
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll examine a stateful packet inspection firewall that keeps track of legitimate Internet service requests, also known as dynamic packet filtering.
Analog and Digital Converters
By Terry Bartelt
In this learning activity you'll examine how electronic converters convert between analog voltages and proportional digital signals.
What is an Algorithm?
In this learning activity, we’ll learn what an algorithm is.
User Experience Design: What is User Experience Design?
In this learning activity you'll explore an overview of User Experience Design and recognize how User Experience Design (UXD) can make you a better designer.
SEO - A Brief Overview
This learning activity provides an overview of Search Engine Optimization, or SEO.
Bandwidth Capacity Techniques
By Dennis Fontaine, Terry Bartelt
In this learning activity you'll follow the process of converting digital data into a series of analog signals.
IT Stress Management - Root Cause
By mikhailvmatc
In this learning activity you'll explore how finding and understanding the root cause of stressors can help reduce stress in your life.
STP - The Spanning Tree Protocol
By Dawn Rohm
In this learning activity you'll use the Spanning Tree Protocol to correctly set up a loop-free Ethernet local area network.
Debugging: What is It?
Learn more about debugging including: what it is, why we use it, and what it looks like in action.
DDoS - Distributed Denial of Service Attacks
Explore what DDoS attacks are, the methods used to carry them out, and how to prevent them.
Customer Service Skills for IT Professionals - Controlling the Conversation
In this learning activity you'll practice your customer service skills in a number of IT real world job scenarios.
Cross-Site Scripting Defined
In this activity we will learn how vulnerable websites are open to cross site-scripting attacks (XSS).
SSH - Secure Shell
In this activity you will learn the benefits of SSH, Secure shell, versus plain FTP.
User Experience Design: Testing
In this learning activity, you will learn about testing for user experience design.
IT Stress Management - Time Management
In this learning activity you'll explore what time management is, some general techniques for improving your time management skills, and the Pomodoro Method.
Referential Integrity
By jamiecchavez
Explore what referential integrity is, why it's important to reliable data organization, and learn how it enforces constraints.
Object or Class?
By Jay Stulo
In this learning activity, you'll watch an animated explanation of the terms class and object as used by computer programmers, and then contrast the differences.
Setting Up Your Virtual Private Network (VPN)
The learner will understand how to set up a Virtual Private Network (VPN) using a home computer network.