- (Exam Topic 2)
A car rental company has built a serverless REST API to provide data to its mobile app. The app consists of an Amazon API Gateway API with a Regional endpoint, AWS Lambda functions and an Amazon Aurora MySQL Serverless DB cluster The company recently opened the API to mobile apps of partners A significant increase in the number of requests resulted causing sporadic database memory errors Analysis of the API traffic indicates that clients are making multiple HTTP GET requests for the same queries in a short period of time Traffic is concentrated during business hours, with spikes around holidays and other events
The company needs to improve its ability to support the additional usage while minimizing the increase in costs associated with the solution.
Which strategy meets these requirements?
Correct Answer:A
- (Exam Topic 1)
A development team has created a new flight tracker application that provides near-real-time data to users. The application has a front end that consists of an Application Load Balancer (ALB) in front of two large Amazon EC2 instances in a single Availability Zone. Data is stored in a single Amazon RDS MySQL DB instance. An Amazon Route 53 DNS record points to the ALB.
Management wants the development team to improve the solution to achieve maximum reliability with the least amount of operational overhead.
Which set of actions should the team take?
Correct Answer:D
Multi AZ ASG + ALB + Aurora = Less over head and automatic scaling
- (Exam Topic 2)
A company runs a proprietary stateless ETL application on an Amazon EC2 Linux instance. The application is a Linux binary, and the source code cannot be modified. The application is single-threaded, uses 2 GB of RAM. and is highly CPU intensive The application is scheduled to run every 4 hours and runs for up to 20 minutes A solutions architect wants to revise the architecture for the solution.
Which strategy should the solutions architect use?
Correct Answer:C
- (Exam Topic 2)
A solutions architect is importing a VM from an on-premises environment by using the Amazon EC2 VM Import feature of AWS Import/Export The solutions architect has created an AMI and has provisioned an Amazon EC2 instance that is based on that AMI The EC2 instance runs inside a public subnet in a VPC and has a public IP address assigned
The EC2 instance does not appear as a managed instance in the AWS Systems Manager console
Which combination of steps should the solutions architect take to troubleshoot this issue"? (Select TWO )
Correct Answer:ABD
- (Exam Topic 1)
A company wants to deploy an AWS WAF solution to manage AWS WAF rules across multiple AWS accounts. The accounts are managed under different OUs in AWS Organizations.
Administrators must be able to add or remove accounts or OUs from managed AWS WAF rule sets as needed Administrators also must have the ability to automatically update and remediate noncompliant AWS WAF rules in all accounts
Which solution meets these requirements with the LEAST amount of operational overhead?
Correct Answer:B
- (Exam Topic 2)
A large company recently experienced an unexpected increase in Amazon RDS and Amazon DynamoDB costs The company needs to increase visibility into details of AWS Billing and Cost Management There are various accounts associated with AWS Organizations, including many development and production accounts. There is no consistent tagging strategy across the organization, but there are guidelines in place that require all infrastructure to be deployed using AWS Cloud Formation with consistent tagging Management requires cost center numbers and project ID numbers for all existing and future DynamoDB tables and RDS instances
Which strategy should the solutions architect provide to meet these requirements?
Correct Answer:B