1.3.2 Wired and wireless networks, protocols and layers

In the world of computer networking, communication between devices is crucial for the exchange of data and resources. There are different types of networks, such as wired and wireless, each with their own advantages and disadvantages. In addition, networks use specific protocols and layers to ensure that data is transmitted accurately and efficiently. Understanding the differences between wired and wireless networks, as well as the various protocols and layers involved in communication, is essential for building and maintaining reliable and secure computer networks. This study guide will provide a clear and concise explanation of the key concepts related to wired and wireless networks, protocols, and layers, along with practice questions and answers to help students prepare for their GCSE Computer Science exam.