Answer the below question with 300 words and two replies with 150 words each. You should have a total of 3 posts.Carefully review and use either of the book options below as a reference for various aspects of knowledge management.Sharda, R., Delen, D., & Turban, E. (2015) Business intelligence and analytics: Systems for decision support (10th ed.). Boston: Pearson. Print: ISBN-13: 978-0-13-305090-5Sharda, R., Delen, D., & Turban, E. (2020) Analytics, data science, & artificial intelligence: Systems for decision support (11th ed.). Boston: Pearson. Print: ISBN-13: 978-0-13-519201-6Important Note: All students are welcome to use outside research in aspects of knowledge management.After reading and analyzing content from book references and or from outside research, consider respond to the task and case below.Make a list of all the knowledge management methods you use during your day (work and personal). Which are the most effective? Which are the least effective? What kinds of work or activities does each knowledge management method enable?Now think about methods to communicate this knowledge using various methods of communications in major work environments and investigate the impact of turning off every communication system in a firm (i.e., telephone, fax, television, radio, all computer systems). How effective and efficient would the following types of firms be: airline, bank, insurance company, travel agency, department store, grocery store? What would happen? Do customers expect 100 percent uptime? (When was the last time a major airline’s reservation system was down?) How long would it be before each type of firm would not be functioning at all? Investigate what organizations are doing to prevent this situation from occurring.