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2. NTC 249 Entire Course • NTC 249 Week 1 DQ 1 • NTC 249 Week 1 DQ 2 • NTC 249 Week 1 DQ 3 • NTC 249 Week 1 Summary • NTC 249 Week 2 DQ 1

3. NTC 249 Week 1 DQ 1 • Week 1 DQ 1 • What are two WANs that you have used? What equipment or devices were used? Describe the network design and configuration? Respond to your classmates, and discuss how your examples differ.

4. NTC 249 Week 1 DQ 2 • Week 1 DQ 2 • Chou (2009) discusses a very common situation in business, communications between branch offices, and the home office data center. The author presents two methodologies to improve throughput between the offices and the data center: data compression and caching. Analyze and discuss the common types of data used in your company to test the suitability of these methods. Additionally, discuss where, in general, data compression can be used and where data compression cannot be used.

5. NTC 249 Week 1 DQ 3 • Week 1 DQ 3 • Soares, et al. (2008) review all the present protocol segments necessary for VoIP telephony. Protocol such as Session Initiation Protocol (SIP) and H.323 are prevalent but have limitations. Analyze and discuss the limitations of SIP and H.323 as presently used and include in your discussion effects of the proposed Advanced Multimedia System (AMS) protocol and whether it will fix the existing problems.

6. NTC 249 Week 1 Summary • Write 300 Words Summary of this week

7. NTC 249 Week 2 DQ 1 • What are the different types of tools available for businesses to conduct marketing analyses? How are the outcomes different? How are the different tools for marketing analyses important in developing an integrated marketing communication? Provide an example.

8. NTC 249 Week 2 DQ 2 • NTC 249 Week 2 DQ 2

9. NTC 249 Week 2 DQ 3 • Week 2 DQ 3 • Write a 250- to 300-word short-answer response to the following: • Based on the Khan and Tahboub (2009) article, analyze and discuss the advantages and disadvantage of the MPLS protocol and what services are most likely to use that protocol in the network.

10. NTC 249 Week 2 Individual Assignment OSI Model Paper • Write a 3-4 page paper (400 words per page) describing the open systems interconnection (OSI) model and how it relates to a network. Your response should include answers to the following: • • On which layers of the OSI model do WAN protocols operate? • • What are some of these protocols? • • On which OSI layers do switches and routers operate? • • If routers reside at more than one layer, what is the difference between the OSI layers?

11. NTC 249 Week 2 Summary • NTC 249 Week 2 Summary

12. NTC 249 Week 2 Team Assignment Network Design for Acme Manufacturing Network Draft • Draft a logical network drawing for Acme to depict the recommended WAN. Include the recommendations for the type of leased lines the company should choose at each location. • Draft recommendations on the type of telecommunications systems that would work best for Acme: private branch exchange (PBX) or VoIP.

13. NTC 249 Week 3 DQ 1 • Week 3 DQ 1 • Write a 250- to 300-word short-answer response to the following: • Conduct an Internet search to locate an example of a private network and a public network. How is each network used? What are the pros and cons of each?

14. NTC 249 Week 3 DQ 2 • Week 3 DQ 2 • Write a 250- to 300-word short-answer response to the following: • Explain sub-netting in a way a nontechnical client would understand. Add clarification to other student explanations.

15. NTC 249 Week 3 DQ 3 • Week 3 DQ 3 • Find a web site, an article on a web site or a peer reviewed article that is related to this week’s material. Write a 250-300 word synopsis what you have found and explain why you think it is relevant. Make sure you include the references and links to the article or web site.

16. NTC 249 Week 3 Individual Assignment Short Answers • Provide answers to each of the following questions: • Identify the functions of a CSU/DSU. How are they used in a corporate environment? Integrated services digital networks (ISDN) are sometimes used in locations that do not support DSL or cable modem connections. Your choices may be analog modems or an ISDN connection in those remote locations. Describe three benefits ISDNs have over regular dial-up modem connections. Compare and contrast packet and circuit switching. Which is more commonly used? What are the advantages and disadvantages of each? Describe the three main types of firewalls. Explain how each type protects the network. Determine which firewall is the most efficient and why. • Your answers should be 3-4 pages long in total (400 words per page).

17. NTC 249 Week 3 Summary • Write 300 Words Summary of this week

18. NTC 249 Week 3 Team Assignment Network Design for Acme Manufacturing Equipment Draft • Draft recommendations on network equipment that should be placed at each location. Also consider equipment based on the teleconferencing needs. • Draft a recommendation on how to secure the network. Make appropriate recommendations for wireless at Acme.

19. NTC 249 Week 4 DQ 1 • Week 4 DQ 1 • Write a 250- to 300-word short-answer response to the following: What are some of the greatest security risks to a WAN? Provide an example of one risk and discuss the potential consequences and possible precautions.

20. NTC 249 Week 4 DQ 2 • Week 4 DQ 2 • Write a 250- to 300-word short-answer response to the following: Network attacks come in many forms. Broadley, et al. (2009) point out a new method where the attacker creates a covert communication channel by changing the timing of part of a real signal and sneaking in. Analyze and discuss whether your system at work could be attacked by this methodology and if you think so what are you going to do about it?

21. NTC 249 Week 4 DQ 3 • Week 4 DQ 3 • Find a web site, an article on a web site or a peer reviewed article that is related to this week’s material. Write a 250-300 word synopsis what you have found and explain why you think it is relevant. Make sure you include the references and links to the article or web site.

22. NTC 249 Week 4 Summary • Write 300 Words Summary of this week

23. NTC 249 Week 5 DQ 2 • Week 5 DQ 2 • Write a 250- to 300-word short-answer response to the following: • Worldwide Interoperability for Microwave Access (WiMAX) is a very popular topic today since it offers the possibility of wireless broadband signal capability over large geographic areas. WLAN signals suffer from a number of potential degradations such as multipath and fading. Balakrishnan, et al. (2009) analyzes the WiMAX technology in these conditions. An interesting side note to recognize is that this analysis was done via computer simulation using software called OPNET. Analyze and discuss the potential for the use of WiMAX in your corporate environment. Do you see WiMAX becoming the predominant WAN wireless technology of the future? If so, why? If not, why?

24. NTC 249 Week 5 DQ 3 • Week 5 DQ 3 • Write a 250- to 300-word short-answer response to the following: • Li, et al. (2009) have provided a brief review of early network structures and are also providing their view of the future generations of wireless networking out to the 7th generation. Analyze and discuss you personal view of either agreement or disagreement with the authors. In either case present support or alternatives

25. NTC 249 Week 5 Summary • Write 300 Words Summary of this week

26. NTC 249 Week 5 Team Assignment Network Design for Acme Manufacturing Paper • NTC 249 Week 5 Team Assignment Network Design for Acme Manufacturing Paper

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