Explore what DDoS attacks are, the methods used to carry them out, and how to prevent them.

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.

At the end of this lesson you will be able to

- Explain what biosecurity means.

- Describe why biosecurity is important.

- Identify what kinds of disease agents we try to prevent or control with biosecurity.

- Demonstrate disease agent-host-environmental interactions that result in disease.

Learn more about debugging including: what it is, why we use it, and what it looks like in action.

Learners read about the most common forms of financial statements including balance sheets, cash flow statements, and profit and loss statements. A brief quiz completes the activity.

In this learning activity you'll discover what the .NET Framework is, what problems it solves, and how it came to be.

In this learning activity you'll enter your wage information and learn what a day, an hour, and a minute of their time costs an employer.

This is a learning object describing what a learning object actually is. This will take us through the definition of a learning object and break down each segment to help clarify the mystery of this wonderful online tool for teaching and learning.

Explore what sexual harassment is, the three conditions that constitute harassing behavior, and the four levels of sexual harassment.

In this learning activity you'll explore what scientific notation is and how it's used to express very large and very small numbers.

In this learning activity, you will learn what supply chain management is, four main links that make up the supply chain, and explore examples of how effective supply chain management works.

In this learning activity, we’ll learn what an algorithm is.

In this activity, the learner will understand what denormalization is and when it's an appropriate strategy.

In this learning activity, you’ll identify information hackers use to gain access to a company, explain different types of social engineering attacks, and recognize different solutions to avoid these attacks.

Know the threats. Block the breach. This module breaks down how common web attacks like SQL Injection and Cross-Site Scripting work—and how to stop them.

Learners study an animation that shows how a battery charge reduces over time and when varying resistance values are placed in a series circuit. Ten review questions complete the activity.

In this learning activity you'll explore a graphical depiction of a radian for angular measurement.

Users examine ways for students to give feedback to their instructor about what they have learned and what part of the lesson is not clear.

In this learning activity you'll identify Man-in-the-middle attacks and discuss how they affect network security.

In this learning activity you'll analyze the costs of rent-to-own buying plans and compare those plans to other consumer strategies.