Question 176
It is advised that you watch the Amazon CloudWatch "_____" metric (available via the AWS Management Console or Amazon Cloud Watch APIs) carefully and recreate the Read Replica should it fall behind due to replication errors.
Question 177
The one-time payment for Reserved Instances is __________ refundable if the reservation is cancelled.
Question 178
A company runs a global web application on Amazon EC2 instances behind an Application Load Balancer The application stores data in Amazon Aurora. The company needs to create a disaster recovery solution and can tolerate up to 30 minutes of downtime and potential data loss. The solution does not need to handle the load when the primary infrastructure is healthy What should a solutions architect do to meet these requirements?
Question 179
A company has a data ingestion workflow that includes the following components:
* An Amazon Simple Notation Service (Amazon SNS) topic that receives notifications about new data deliveries
* An AWS Lambda function that processes and stores the data
The ingestion workflow occasionally fails because of network connectivity issues. When tenure occurs the corresponding data is not ingested unless the company manually reruns the job. What should a solutions architect do to ensure that all notifications are eventually processed?
Question 180
A company has a mobile app for customers The app's data is sensitive and must be encrypted at rest The company uses AWS Key Management Service (AWS KMS) The company needs a solution that prevents the accidental deletion of KMS keys The solution must use Amazon Simple Notification Service (Amazon SNS) to send an email notification to administrators when a user attempts to delete a KMS key Which solution will meet these requirements with the LEAST operational overhead''