Section 7.1: Networking with TCP/IP: Internet, Intranet, and Extranet

Learning Objectives

After completing this section, you should be able to

• describe the tools and techniques of inter-networking.

Tasks

• Study Chapter 9 of the TD textbook.
• Complete Case Project 9-1.
• Complete hands-on Project 9-2.

Study Questions

You may want to use the Personal Study Space wiki to answer these questions, which may require some Internet research. You can also post comments and queries in the Unit 7 Forum.

1. How are network devices addressed in a TCP/IP-based computer network?
2. What are the main characteristics of the IP addressing scheme?
3. How can the class a particular IP address belongs to be identified?
4. Where can official IP addresses be obtained for enterprise networking needs?
5. What problems does IP Version 6 (IPv6) solve?
6. What is subnetting?
7. What are the advantages of subnetting?
8. What are subnet masks? Where may they specified?
9. Given an IP address and its subnet mask, how can its network prefix and host information be determined?
10. What role do routers play in subnetting?
11. How do subnets and IP addresses work on a network?
12. What roles do gateways play in the context of IP addressing and subnets?
13. What is network address translation (NAT)?
14. For what reasons is NAT used?
15. What are sockets?
16. What are ports?
17. What is the relationship between sockets and ports?
18. What are the default port numbers for commonly used TCP/IP services?
19. In the world of TCP/IP-based computer networks, what are host names and domain names?
20. What roles does a domain name system (DNS) play?
21. What are the conventions of domain naming?
22. What roles do host files (hosts, hosts.txt or lmhosts) play?
23. What are name spaces, root server, zones, resource record, and address resource record?
24. In a sophisticated DNS server hierarchy, what roles do resolvers, name servers, and name space play?
25. How is DNS configured on a Windows 2008 workstation and a UNIX workstation?
26. For what purpose was the BOOTP protocol developed?
27. What are the reasons for implementing DHCP protocol?
28. How does a DHCP client lease an IP address from a DHCP server?
29. How is a DHCP lease terminated?
30. What is Windows Internet Naming Service? What is such service needed for a network?
31. What advantages does WINS offer?
32. How are network devices addressed in IPv6?
33. What TCP/IP subprotocols are commonly used? What does each subprotocol do?
34. What features does IMAP4 provide?
35. When there is a problem with a network, what utility programs can be used to diagnose and/or fix the problem on a TCP/IP-based network?
36. How are these diagnostic tools used?
37. What is the World Wide Web?
38. What is a web browser?
39. What is a web server?
40. What is a URL?
41. What is an unqualified host name?
42. How is email service set up for an organization?
43. How is a computer set up to read and send emails?
44. For what purpose would one use FTP?
45. What is the relationship between FTP and TFTP?
46. For what purpose might Newsgroups be used in an enterprise network?
47. What is e-commerce?
48. In what aspects may e-commerce contribute to an enterprise?
49. What Voice over IP technologies are currently available for business needs?
50. What are the advantages and disadvantages of each VoIP technology?