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Explore the different types of fires and the extinguishers used for each type.
By Terry Bartelt Pat Jensen
By the end of this learning activity, you’ll know how to understand, use, and maintain different types of fire extinguishers.
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.
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.
In this learning activity you'll examine how network address translation works.
In this learning activity you'll create a packet filter.
Students read about the world's active volcanoes that make up the "Ring of Fire." In an interactive exercise, they locate these volcanoes on maps.
By Virginia Kirsch
In this animated object, learners examine how a gateway server operates.