AWS - RDS and Relational DatabasesWhich of the following is a mandatory setting when launching an RDS instance?ADatabase engine type (e.g., MySQL, PostgreSQL)BNumber of EC2 instancesCVPC peering connectionDIAM user passwordCheck Answer
Step-by-Step SolutionSolution:Step 1: Identify required RDS launch parametersChoosing the database engine type is mandatory to know which database to launch.Step 2: Evaluate other optionsNumber of EC2 instances is irrelevant for RDS, VPC peering is optional, and IAM user password is unrelated.Final Answer:Database engine type (e.g., MySQL, PostgreSQL) -> Option AQuick Check:Mandatory setting = Database engine [OK]Quick Trick: Always specify the database engine when launching RDS [OK]Common Mistakes:Confusing EC2 instance count with RDS instanceAssuming VPC peering is requiredMixing IAM user credentials with database setup
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