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2. Using an E-mail Address to Determine a Network's Operating System: Alexander Rocco Corporation has multiple OSs running in its many offices. Before conducting a security test to determine the vulnerabilities you need to correct, you want to determine whether any OSs are running that you're not aware of. Christy Fitzgerald, the network administrator/security officer, is resistant to giving you information after he learns you are there to discover network security vulnerabilities. He sees you as a threat to his position. After several hours of interviews, you can ascertain only that Mike's personal e-mail address is vetman2601@gmail.com, and an old RHEL server is running on one of the company's systems. Based on this information, answer the following questions: 1. What tools might you use after learning Mike's e-mail address? 2. What can you determine by entering Mike's e-mail address into Google? What about just the handle "vetman2601"? 3. Could the information you learned from Google be used to conduct vulnerability testing? Write a memo to the IT manager, Bob Jones, about the potential issues with running an old RHEL 5.8 server, alld 111 entioll the il1lportallce of patell hygiene. Make sure your memo explains how you gathered this information and offers constructive feedback. Your memo should not point a finger at any company employees; it should discuss problems on a general level