How to handle peak load of application? - When encountering the phrase "handle peak load traffic" in a question, think of AWS Auto-Scaling. - Use Auto-Scaling with Spot instances - Use Auto-Scaling with On-Demand instances What to be used for steady state load of application? - Use Reserved instances What EC2 pricing model should be used for RDS? - Use Reserved instances for RDS Which Route53 record should be used for EC2? - Use a Type A Record without an Alias for EC2 instances Which Route53 record should be used for ELB, CloudFront, S3? - Use a Type A Record with an Alias for ELB, CloudFront, and S3 Which Route53 record should be used for RDS? - Use a CNAME Record with no Alias for RDS Which service should be used to discover and protect sensitive data in AWS using machine-learning and pattern-matching? - Using Amazon Macie Which AWS service should be used to scan Amazon S3 buckets for data security and data privacy? - Using Amazon Macie Where to store encryption keys? - ...