Let’s start with EC2: Elastic Compute Cloud (EC2) is a virtual server in the cloud.īut hey, who says you even need a server? There are also serverless services in AWS, like lambda and S3. Don’t worry, When mentioning a service, I’ll give a reminder of what it is! This section is tricky as well! It requires memorizing (and common sense) because questions in this section go something like this: “Which of the following components are billed for Amazon RDS instances?”. * Reservations: which grants you up to 75% discount. * Spot Instances: in EC2, which we learned about in a previous blog post. * Saving Plans: a flexible pricing model that offers low prices in exchange for a commitment to a consistent amount of usage * On-demand instances: you pay for compute or database capacity by the hour or second Use the right pricing model for the job: AWS offers several pricing models depending on the product. You can choose and pay for exactly what you need - no minimum commitments or long-term contracts are required unless you choose to save money through a reservation model.Ĥ. you can reduce costs by 70% or more compared to using them 24/7. Maximize the power of flexibility: One of the key advantages of cloud-based resources is that you don’t pay for them when they’re not running. Start early with cost optimization: Whether you started in the cloud, or you are just starting your migration journey to the cloud, AWS has a set of solutions to help you manage and optimize your spending.ģ. Remember that when you get asked “Which of the following is not a fundamental AWS charge?” - The answer is Data Inbound.Ģ. Understand the fundamentals of pricing: There are three fundamental drivers of cost with AWS: Compute, Storage, and Data outbound (data going out). While pricing models vary across services, it’s worthwhile to review the 4 key principles and best practices that are broadly applicable.ġ.
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