The TCP/IP 4-layer model is an important part of the computer science curriculum your pupils must understand. It often comes up in the exam in one form or another so your students need to fully grasp ...

In the last Byte-Sized Lesson, we looked at Layer 2 switches. Now, we’ll consider the function of a router and what happens when Layer 3—the Network Layer—relays packets. If your facility’s ...

This is the first of a two-part lesson. Each part will address some basic IP principles that seem to be overlooked when we debate about which approach is best in solving AV problems. We tend to get ...