please answer this discussion question on Cloud Computing and once you answer I will also need 2 replies to my peers posts check

I’m studying for my Computer Science class and don’t understand how to answer this. Can you help me study?

use references from this url :http://eds.b.ebscohost.com/eds/results?vid=4&sid=c…

This is a required assignment worth 20 points (20-points/1000-points). Assignment must be submitted by the due date. No late assignments are allowed. Please discuss the following topics and provide substantive comments to at least two other posts.

Select from the following list four (4) topics and discuss. Use only 50-words max per topic to discuss and present your answer. The discussion questions this week are from Chapter 7 (Jamsa, 2013).

Chapter 7 topics:

  • Define collaboration.
  • Define and describe cloud-based collaboration.
  • The CIO of Ace Accounting Services suggests that the company can save considerable money using VoIP for phone calls. Define and describe VoIP. Then present three companies that provide VoIP offerings. Compare and contrast each company’s offering. Also, discuss whether or not you agree with the CIO and justify why.
  • List the questions one should consider when evaluating a cloud-based collaborative solution.

NOTE: You are required to use at least two-peer reviewed sources (besides your textbook) to answer the above questions.