Should be at least 300+ words (APA format & latest scholarly journal article references 2016 on words)50+ words answer for each questionDefine virtualization and the various types of virtualization.List the pros and cons of virtualization.List reasons why companies should virtualize.List the security advantages of cloud-based solutions.List the security disadvantages of cloud-based solutions.Discuss how a cloud-based solution provider may reduce the risk of a DDoS attack.