1.) In 500 words or more, compare DNS failover and cloud failover.Use at least three sources. Use theResearch Databasesavailable from theDanforthLibrary as your first choice. Include at least 3 quotes from your sources enclosed in quotation marks and cited in-line by reference to your reference list. Example: words you copied (citation) These quotes should be one full sentence not altered or paraphrased. Cite your sources using APA format. Use the quotes in your paragraphs. Stand alone quotes will not count toward the 3 required quotes.Write in essay format not in bulleted, numbered or other list format.2.) Using Chapter10as a reference (refer to uploaded file), Explain the concept of information stores.Why is an understanding of how different clients store messaging information critical to the success of an email search?Write your answer using a WORD document.