Amazon DVA-C01 Practice Test - Questions Answers, Page 32
List of questions
Question 311
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A company stores all personally identifiable information (Pll) in an Amazon DynamoDB table named Pll in Account
Question 312
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A developer is working on an AWS Lambda function that accesses Amazon DynamoDB The Lambda function must retrieve an item and update some of its attributes. or create the item if it does not exist The Lambda function has access to the primary key.
Which IAM permissions should the developer request for the Lambda function to achieve this functionality?
Explanation:
Reference: https://docs.aws.amazon.com/AWSJavaScriptSDK/latest/AWS/DynamoDB.html
Question 313
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A developer added a new feature to an application running on an Amazon EC2 instance that uses Amazon SQS After deployment, the developer noticed a significant increase in Amazon SQS costs. When monitoring the Amazon SQS metrics on Amazon CloudWatch. the developer found that on average one message per minute is posted on this queue. What can be done to reduce Amazon SQS costs for this application?
Question 314
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A development team is designing a mobile app that requires multi-factor authentication Which steps should be taken to achieve this? (Select TWO)
Question 315
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A developer is writing an application in AWS Lambda To simplify testing and deployments, the developer needs the database connection string to be easily changed without modifying the Lambda code. How can this requirement be met?
Question 316
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A developer must ensure that the IAM credentials used by an application in Amazon EC2 are not misused or compromised What should the developer use to keep user credentials secure?
Question 317
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A developer is storing sensitive data generated by an application in Amazon S3. The developer wants to encrypt the data at rest. A company policy requires an audit trail of when the master key was used and by whom. Which encryption option will meet these requirements?
Question 318
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A company is launching an ecommerce website and will host the static data in Amazon S3. The company expects approximately 1 000 transactions per second (TPS) for GET and PUT requests in total. Logging must be enabled to track all requests and must be retained for auditing purposes.
What is the MOST cost-effective solution?
Explanation:
Reference: https://docs.aws.amazon.com/AmazonS3/latest/dev/cloudtrail-requestidentification.html
Question 319
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A company is developing an application that will be accessed through the Amazon API Gateway REST API Registered users should be the only ones who can access certain resources of this API. The token being used should expire automatically and needs to be refreshed periodically.
How can a developer meet these requirements'?
Explanation:
Reference: https://aws.amazon.com/premiumsupport/knowledge-center/cognito-custom-scopesapi-gateway/
Question 320
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A company has an application where reading objects from Amazon S3 is based on the type of user The user types are registered user and guest user The company has 25.000 users and is growing Information is pulled from an S3 bucket depending on the user type.
Which approaches are recommended to provide access to both user types? (Select TWO.)
Question