Expert answer:Consider you are working as a Database Administrator (DBA) in a certain large organization. Protecting data is one of your major tasks in the day-to-day operations. As a DBA, discuss various steps you would take to ensure proper planning of the database instance Redo Logs.*** Your solution must include the relevant SQL Commands and Screenshots by using Oracle SQL PLUS (10g). *** The solution must be written in a maximum of 4 – 5 Pages.*** References is required. Prepare PowerPoint slides for any one of the following topics: (8 – 10 Slides)- Security policies in Database system. – Authentication methods in Database system. – Networking solutions provided database system.