Amazon DVA-C01 Practice Test - Questions Answers, Page 24

A Developer must encrypt a 100-GB object using AWS KMS.

What is the BEST approach?

A team of Developers must migrate an application running inside an AWS Elastic Beanstalk environment from a Classic Load Balancer to an Application Load Balancer. Which steps should be taken to accomplish the task using the AWS Management Console?

A Development team wants to instrument their code to provide more detailed information to AWS XQuestions & Answers PDF P-99 Ray than simple outgoing and incoming requests. This will generate large amounts of data, so the Development team wants to implement indexing so they can filter the data.

What should the Development team do to achieve this?

A Developer created a new AWS account and must create a scalable AWS Lambda function that meets the following requirements for concurrent execution:

Average execution time of 100 seconds

50 requests per second

Which step must be taken prior to deployment to prevent errors?

A company is using continuous integration and continuous delivery systems. A Developer now needs to automate a software package deployment to both Amazon EC2 instances and virtual servers running on-premises. Which AWS service should be used to accomplish this?

A company needs a version control system for collaborative software development. Features of the system must include the following:

Support for batches of changes across multiple files

Parallel branching

Version tracking

Which AWS service will meet these requirements?

A company runs an e-commerce website that uses Amazon DynamoDB where pricing for items is dynamically updated in real time. At any given time, multiple updates may occur simultaneously for pricing information on a particular product. This is causing the original editor’s changes to be overwritten without a proper review process.

Which DynamoDB write option should be selected to prevent this overwriting?

An Amazon DynamoDB table uses a Global Secondary Index (GSI) to support read queries. The primary table is write-heavy, whereas the GSI is used for read operations. Looking at Amazon CloudWatch metrics, the Developer notices that write operations to the primary table are throttled frequently under heavy write activity. However, write capacity units to the primary table are available and not fully consumed. Why is the table being throttled?

A Developer is building a three-tier web application that should be able to handle a minimum of 5000 requests per minute. Requirements state that the web tier should be completely stateless while the application maintains session state for the users.

How can session data be externalized, keeping latency at the LOWEST possible value?