vle the following terms in data communication and networks. Transmitter Receiver Media Elements of Computer Networks Communication Model Classification of Computer networks Week 1 Part 2 1. Advantages and Disadvantages of the various types of Physical Topologies. 2. Define the following terms in data communication and networks. Physical Topology Logical Topology 3. Explain the following with examples LAN WAN VPN Emerging technologies and Concepts 1. Define the following terms Bandwidth Throughput Transmission media 2. Types of computing environment 3. Examples of Emerging Technologies 4. Identify the trends in emerging technologies and the opportunities as well as the challenges to date communication and networks