Computer and Information Networking

please write in separate pages 250 to 300 words, two references

sometimes a big picture can help to give an idea of what is going on in a particular subject area.  Examine Figure 1-1 (Page 10 PowerPoint slides chapter 1)

 1).  Explain your basic understanding of WAN to WAN connections, LAN to LAN connections, and WAN to LAN connections. Explain how networks intercommunicate.   Also explain the terms server, bridge, router, hub, node, communications network, and communications line. 

......end...... topic 1

please write in separate pages 250 to 300 words, two references 

 2)  Explain analog and digital signals.  Which one is better and why? Justify your answer. Discuss technologies that have gone from analog to digital.