| Exam Name: | AWS Certified Developer - Associate | ||
| Exam Code: | DVA-C02 Dumps | ||
| Vendor: | Amazon Web Services | Certification: | AWS Certified Associate |
| Questions: | 600 Q&A's | Shared By: | rosabella |
A company is running a custom application on a set of on-premises Linux servers that are accessed using Amazon API Gateway. AWS X-Ray tracing has been enabled on the API test stage.
How can a developer enable X-Ray tracing on the on-premises servers with the LEAST amount of configuration?
A cloud-based video surveillance company is developing an application that analyzes video files. After the application analyzes the files, the company can discard the files.
The company stores the files in an Amazon S3 bucket. The files are 1 GB in size on average. No file is larger than 2 GB. An AWS Lambda function will run one time for each video file that is processed. The processing is very I/O intensive, and the application must read each file multiple times.
Which solution will meet these requirements in the MOST performance-optimized way?
A company has a three-tier application that is deployed in Amazon ECS. The application is using an Amazon RDS for MySQL DB instance. The application performs more database reads than writes.
During times of peak usage, the application ' s performance degrades. When this performance degradation occurs, the DB instance ' s ReadLatency metric in Amazon CloudWatch increases suddenly.
How should a developer modify the application to improve performance?
A developer owns and supports an application that has database credentials that are stored in environment variables for AWS Lambda functions. The developer needs an alternate storage method for the credentials instead of environment variables in plaintext. Which solution will handle the credentials MOST securely?