AWS Certified Developer Associate 1 Multiple Choice Questions And Correct Answers With Rationale.

AWS Certified Developer Associate 1 Multiple Choice Questions And Correct Answers With Rationale. A user is running a MySQL RDS instance. The user will not use the DB for the next 3 months. How can the user save costs? A. Pause the RDS activities from CLI until it is required in the future B. Stop the RDS instance C. Create a snapshot of RDS to launch in the future and terminate the instance now D. Change the instance size to micro Answer(s): C Explanation: The RDS instances unlike the AWS EBS backed instances cannot be stopped or paused. The user needs to take the final snapshot, terminate the instance and launch a new instance in the future from that snapshot. Reference: In DynamoDB, if you create a table and request 10 units of write capacity and 200 units of read capacity of provisioned throughput, how much would you be charged in US East (Northern Virginia) Region? A. $0.05 per hour B. $0.10 per hour C. $0.03 per hour D. $0.15 per hour Answer(s): A Explanation: To understand pricing in DynamoDB, consider the following example. If you create a table and request 10 units of write capacity and 200 units of read capacity of provisioned throughput, you would be charged: $0.01 + (4 x $0.01) = $0.05 per hour Reference: You have been doing a lot of testing of your VPC Network by deliberately failing EC2 instances to test whether instances are failing over properly. Your customer who will be paying the AWS bill for all this asks you if he is being charged for all these instances. You try to explain to him how the billing works on EC2 instances to the best of your knowledge. What would be an appropriate response to give to the customer in regards to this? A. Billing commences when Amazon EC2 AMI instance is completely up and billing ends as soon as the instance starts to shutdown. B. Billing commences when Amazon EC2 initiates the boot sequence of an AMI instance and billing ends when the instance shuts down.