Learners read about the mutations that occurred in plants for the successful transition from an aquatic to a terrestrial existence. The classification of plants is based on these adaptive structures.
In this learning activity you'll create a packet filter.
In this learning activity you'll examine how network address translation works.
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 animated object, learners examine how a gateway server operates.
In this learning activity you'll examine how firewalls block viruses by discussing trusted, semi-trusted, and untrusted networks.