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2. IT 242 Entire Course • IT 242 Week 1 CheckPoint OSI Model • IT 242 Week 1 DQs • IT 242 Week 2 CheckPoint Signals • IT 242 Week 2 Assignment VoIP • IT 242 Week 3 DQs • IT 242 Week 4 CheckPoint Ethernet or Token Ring

3. IT 242 Week 1 CheckPoint OSI Model • Due Date: Day 5 [post to the Individual forum] • Describe the OSI model and how it relates to a network in 200 to 300 words. 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?

4. IT 242 Week 1 DQs • Due Date: Day 2 [post to the Main forum] • Post your response to the following: What is a WAN? Locate an example of a typical WAN setup and describe the components. Provide a picture, chart, or image if possible. Respond to your classmates and discuss how your examples differ. • 6. Discussion Question 2 • Due Date: Day 4 [post to the Main forum]

5. IT 242 Week 2 Assignment VoIP • Due Date: Day 7 [Individual forum] • Conduct an Internet search to locate a case study that shows how VoIP was beneficial to an organization. • Write a 350- to 700-word paper in APA format in which you analyze the organization’s use of VoIP. • Respond to the following in your analysis: • Include a detailed explanation of the case study and the organization

6. IT 242 Week 2 CheckPoint Signals • Due Date: Day 4 [Individual forum] • Explain the differences between data, voice, and video signals in 200 to 300 words. • Include a description comparing the differences between PBX and VoIP.

7. IT 242 Week 3 DQs • Discussion Question 1 • Due Date: Day 2 [Main forum] • Post your 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? • 3. Discussion Question 2 • Due Date: Day 4 [Main forum]

8. IT 242 Week 4 Assignment VLAN • Due Date: Day 7 [Individual forum] • Consider the following scenario: • Your company moves into a new building. Marketing is on the first floor, engineering is on the second floor, operations is on the third floor, and the call center is on the fourth floor. The LAN is organized neatly, with each floor having its own switch. Some of the groups on the floor are • IT 242 Introduction to WAN Technologies

9. IT 242 Week 4 CheckPoint Ethernet or Token Ring • Due Date: Day 4 [Individual forum] • Consider the following scenarios. • Saguaro Federal has mainframes for all of its banks and businesses. Should the company use the Ethernet or Token Ring protocol? Explain your choice. Why is this choice appropriate?

10. IT 242 Week 5 CheckPoint Switching • Due Date: Day 5 [Individual forum] • Compare and contrast packet and circuit switching in 250 to 300 words. Which is more commonly used? What are the advantages and disadvantages of each?

11. IT 242 Week 5 DQs • Discussion Question 1 • Due Date: Day 2 [Main forum] • Post your response to the following: Identify the functions of a CSU/DSU. How are they used in a corporate environment? • 3. Discussion Question 2 • Due Date: Day 4 [Main forum]

12. IT 242 Week 6 Assignment Router and Switch Configuration • Assignment Router and Switch Configuration • Due Date Day 7 [Individual forum] • Describe how to configure a switch and router in a 350- to 750-word paper in APA format. Be sure to include the following • Basics of installing, setting up, and configuring a switch

13. IT 242 Week 6 CheckPoint Static or Dynamic • Due Date: Day 5 [Individual forum] • Consider the following scenario: • As a network administrator for a company, you want to configure an IP route between two routers. Of static and dynamic routing, which is more appropriate? • Explain your answer in 200 to 300 words

14. IT 242 Week 7 CheckPoint Firewalls • Due Date: Day 5 [Individual] forum • In 200 to 300 words: • Describe the three main types of firewalls. • Explain how each type protects a network. • Determine which firewall is the most efficient and why.

15. IT 242 Week 7 DQs • Discussion Question 1 • o Due Date: Day 2 [Main] forum • o Post your response to the following: What are some of the greatest security risks to a wide area network? Provide an example of one risk and discuss the potential consequences and possible precautions. • 3. Discussion Question 2 • o Due Date: Day 4 [Main] forum • o Post your response to the following: What is a key? What are the differences between private key and public key encryption? Provide examples of each

16. IT 242 Week 8 Assignment Wireless Signals • Resource: Ch. 18 of Wide Area Networks • Due Date: Day 7 [Individual forum] • Discuss four different types of wireless technologies in a 350- to 700-word paper in APA format. • Describe the characteristics and properties of each signal type, and how each can be used.

17. IT 242 Week 8 CheckPoint WLAN • Due Date: Day 4 [Individual forum] • Explain in 200 to 300 words at least two different ways to secure a WLAN. What are the ramifications if a WLAN is breached?

18. IT 242 Week 9 Capstone Discussion Question • Due Date: Day 3 [Main forum] • Post your response to the following: How has your perception of WAN technology changed as a result of what you have studied in this course?

19. IT 242 Week 9 Final Project WAN Design • Resource: Appendix A • Due Date: Day 7 [Individual forum] • Read Appendix A. • Develop a plan to set up a wide area network based on the scenario presented in Appendix A. Your plan must include the following: • An overview of the company and its needs

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