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Question 1

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A company has an application that uses Amazon Cognito user pools as an identity provider. The company must secure access to user records. The company has set up multi-factor authentication (MFA). Th

Question 2

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A developer has an application that stores data in an Amazon S3 bucket. The application uses an HTTP API to store and retrieve objects. When the PutObject API operation adds objects to the S3 bucket

Question 3

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A developer needs to perform geographic load testing of an API. The developer must deploy resources to multiple AWS Regions to support the load testing of the API. How can the developer meet these

Question 4

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A developer is creating an application that includes an Amazon API Gateway REST API in the us-east-2 Region. The developer wants to use Amazon CloudFront and a custom domain name for the API. The d

Question 5

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A developer is creating a template that uses AWS CloudFormation to deploy an application. The application is serverless and uses Amazon API Gateway, Amazon DynamoDB, and AWS Lambda. Which AWS servi

Question 6

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A developer wants to insert a record into an Amazon DynamoDB table as soon as a new file is added to an Amazon S3 bucket. Which set of steps would be necessary to achieve this?

Question 7

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A development team maintains a web application by using a single AWS CloudFormation template. The template defines web servers and an Amazon RDS database. The team uses the Cloud Formation template

Question 8

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A company is implementing an application on Amazon EC2 instances. The application needs to process incoming transactions. When the application detects a transaction that is not valid, the applicatio

Question 9

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A company is running Amazon EC2 instances in multiple AWS accounts. A developer needs to implement an application that collects all the lifecycle events of the EC2 instances. The application needs t

Question 10

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An application is using Amazon Cognito user pools and identity pools for secure access. A developer wants to integrate the user-specific file upload and download features in the application with Ama

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A developer is building an application that gives users the ability to view bank account from multiple sources in a single dashboard. The developer has automated the process to retrieve API credentials for these sources. The process invokes an AWS Lambda function that is associated with an AWS CloudFormation cotton resource. The developer wants a solution that will store the API credentials with minimal operational overhead. When solution will meet these requirements?

A developer needs to store configuration variables for an application. The developer needs to set an expiration date and time for me configuration. The developer wants to receive notifications. Before the configuration expires. Which solution will meet these requirements with the LEAST operational overhead?

A company needs to distribute firmware updates to its customers around the world. Which service will allow easy and secure control of the access to the downloads at the lowest cost?

An application that is deployed to Amazon EC2 is using Amazon DynamoDB. The app cation calls the DynamoDB REST API Periodically the application receives a ProvisionedThroughputExceededException error when the application writes to a DynamoDB table. Which solutions will mitigate this error MOST cost-effectively^ (Select TWO)

A company uses an AWS Lambda function to transfer files from an Amazon S3 bucket to the company's SFTP server. The Lambda function connects to the SFTP server by using credentials such as username and password. The company uses Lambda environment variables to store these credentials. A developer needs to implement encrypted username and password credentials. Which solution will meet these requirements?

A developer deployed an application to an Amazon EC2 instance The application needs to know the public IPv4 address of the instance How can the application find this information?

A developer is working on a Python application that runs on Amazon EC2 instances. The developer wants to enable tracing of application requests to debug performance issues in the code. Which combination of actions should the developer take to achieve this goal? (Select TWO)

A developer is building a new application on AWS. The application uses an AWS Lambda function that retrieves information from an Amazon DynamoDB table. The developer hard coded the DynamoDB table name into the Lambda function code. The table name might change over time. The developer does not want to modify the Lambda code if the table name changes. Which solution will meet these requirements MOST efficiently?

A developer is creating a stock trading application. The developer needs a solution to send text messages to application users to confirmation when a trade has been completed. The solution must deliver messages in the order a user makes stock trades. The solution must not send duplicate messages. Which solution will meet these requirements?

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?

Question 106 - DVA-C02 discussion

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An ecommerce application is running behind an Application Load Balancer. A developer observes some unexpected load on the application during non-peak hours. The developer wants to analyze patterns for the client IP addresses that use the application. Which HTTP header should the developer use for this analysis?

A.

The X-Forwarded-Proto header

B.

The X-F Forwarded-Host header

C.

The X-Forwarded-For header

D.

The X-Forwarded-Port header

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asked 16/09/2024

Antonio Agustin Mirano

34 questions

User

Your answer: A B C D

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