1. Right Answer: A
Explanation: You can continue to optimize your spend and keep your development costs low by making sure you revisit your architecture often, to adjust to your startup growth. Manage your cost further by leveraging different options such as S3 CloudFront for caching & offloading to reduce cost of EC2 computing, as well as Elastic Load Balancing which prepares you for massive scale, high reliability and uninterrupted growth. Another way to keep costs down is to use AWS Identity and Access Management solutions (IAM) to manage governance of your cost drivers effectively and by the right teams. https://aws.amazon.com/startups/lean/
2. Right Answer: D
Explanation: Agile is a time boxed, iterative approach to software delivery that builds software incrementally from the start of the project, instead of trying to deliver it all at once near the end.http://www.agilenutshell.com
3. Right Answer: D
Explanation:
4. Right Answer: A,D
Explanation: https://aws.amazon.com/shield/
5. Right Answer: A,C,E
Explanation: https://aws.amazon.com/blogs/aws/the-new-aws-tco-calculator/
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