Answer all the questions. You may not find all the answers from the slides. So, you are allowed to do your research from books/online etc. But you should mention the references. 1. List few differences between a Switch and a Router? 2. Why is the Layered Architecture important in Data Communications? How does it benefit protocol design? 3. Mention few of the network topologies with diagrams that describes how devices are connected to each other. 4. What is the difference between Intranet and Internet? Can you mention few protocols that are used in a. Intranet b. Internet c. both Intranet and Internet 5. What is the difference between CSMA/CD and CSMA/CA