Amazon Web Services pass4test dva-c02 Premium Exam Questions by Renee q26 vce pdf

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Exam Name:	AWS Certified Developer - Associate
Exam Code:	DVA-C02 Dumps
Vendor:	Amazon Web Services	Certification:	AWS Certified Associate
Questions:	425 Q&A's	Shared By:	renee

Question 20

A developer is troubleshooting a three-tier application, which is deployed on Amazon EC2 instances. There is a connectivity problem between the application servers and the database servers.

Which AWS services or tools should be used to identify the faulty component? (Select TWO.)

Options:

AWS CloudTrail

AWS Trusted Advisor

Amazon VPC Flow Logs

Network access control lists

AWS Config rules

Discussion

Question 21

A developer is creating an AWS Lambda function that searches for items from an Amazon DynamoDB table that contains customer contact information- The DynamoDB table items have the customer's email_address as the partition key and additional properties such as customer_type, name, and job_tltle.

The Lambda function runs whenever a user types a new character into the customer_type text input The developer wants the search to return partial matches of all the email_address property of a particular customer_type The developer does not want to recreate the DynamoDB table.

What should the developer do to meet these requirements?

Options:

Add a global secondary index (GSI) to the DynamoDB table with customer_type as the partition key and email_address as the sort key Perform a query operation on the GSI by using the begvns_wth key condition expression With the emad_address property

Add a global secondary index (GSI) to the DynamoDB table With ernail_address as the partition key and customer_type as the sort key Perform a query operation on the GSI by using the begins_wtth key condition expression With the emal_address property.

Add a local secondary index (LSI) to the DynamoDB table With customer_type as the partition key and email_address as the sort key Perform a query operation on the LSI by using the begins_wlth key condition expression With the email_address property

Add a local secondary Index (LSI) to the DynamoDB table With job_tltle as the partition key and emad_address as the sort key Perform a query operation on the LSI by using the begins_wrth key condition expression With the email_address property

Discussion

Question 22

A company has an application that is deployed on AWS Elastic Beanstalk. The application generates user-specific PDFs and stores the PDFs in an Amazon S3 bucket. The application then uses Amazon Simple Email Service (Amazon SES) to send the PDFs by email to subscribers.

Users no longer access the PDFs 90 days after the PDFs are generated. The S3 bucket is not versioned and contains many obsolete PDFs.

A developer must reduce the number of files in the S3 bucket by removing PDFs that are older than 90 days.

Which solution will meet this requirement with the LEAST development effort?

Options:

Update the application code. In the code, add a rule to scan all the objects in the S3 bucket every day and to delete objects after 90 days.

Create an AWS Lambda function. Program the Lambda function to scan all the objects in the S3 bucket every day and to delete objects after 90 days.

Create an S3 Lifecycle rule for the S3 bucket to expire objects after 90 days.

Partition the S3 objects with a // key prefix. Create an AWS Lambda function to remove objects that have prefixes that have reached the expiration date.

Discussion

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Question 23

A developer is updating several AWS Lambda functions and notices that all the Lambda functions share the same custom libraries. The developer wants to centralize all the libraries, update the libraries in a convenient way, and keep the libraries versioned.

Which solution will meet these requirements with the LEAST development effort?

Options:

Create an AWS CodeArtifact repository that contains all the custom libraries.

Create a custom container image for the Lambda functions to save all the custom libraries.

Create a Lambda layer that contains all the custom libraries.

Create an Amazon EFS file system to store all the custom libraries.