As a newly appointed network administrator, you have been requested to provide a presentation that will be shown to all employees to stress the importance of securing the organizations data against external threats.Using the library, the Internet, and any other materials, prepare a PowerPoint presentation that outlines the following items::? Identify and outline the function of digital certificates.:? Explain the concepts of encrypting data and securing e-mail transmissions.:Explain what is meant byand the methods that must be taken to secure against these types of attempted attacks.Proper presentation design techniques must be used, as well as notes on each slide to expand on what will be covered during the live presentation.