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.
By Terry Bartelt
In this animated activity, learners examine how an electronic converter changes digital signals to analog signals. Sections of a synthesizer are identified, and the operation of a D/A converter is demonstrated.
IP Addressing and Subnetting
In this learning activity you'll review how a local area network computer uses a subnet mask to determine if its message is intended for a computer on the same network or on a remote network.
By Barbara Liang
Learners read how nanotechnology is creating new jobs in emerging industries while making others obsolete. This colorful and animated activity also looks at the types of products being created through the use of technology and how educational institutions have responded.
Cross-site Scripting Awareness
By Joseph Wetzel
In this learning activity, you'll explore the topic of cross-site scripting, (or XSS)
Angular Measurement Review
By Kelly Curran
In this learning activity you'll test your knowledge of angular measurement in this 10-question quiz.
Metric Micrometer Measurements Review
In this learning activity you'll review how to read a metric micrometer and use your knowledge to answer 12 questions.
In this learning activity you'll identify TCP and UDP port states and how they behave during interaction.
Using a Depth Micrometer
By Terry Fleischman
Learners will test their ability to read a depth micrometer in this interactive quiz.
How to Use the Fillet Gage
The learner will understand how to properly use a fillet gage to measure weld size.
Creative Commons Attribution-NonCommercial 4.0 International License.
Learn more about the license »