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.
Switches and Hubs
By Terry Bartelt
Learners view animations showing how hubs and switches work in local area network configurations.
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.
Firewalls: Relationships Among Firewall Perimeters
By Joseph Wetzel, Douglas Tabbutt
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
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.
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