Question 1

A developer is partitioning data using Athena to improve performance when performing queries. What are two things the analyst can do that would counter any benefit of using partitions? (Select TWO.)

Options :

A : Creating partitions directly from data source.

B : Skewing data heavily to one partition value.

C : Using a Hive-style partition format.

D : Storing the data in S3.

E : Segmenting data too finely.

Answer: A,B

Question 2

A developer is designing a web application that will run on Amazon EC2 Linux instances using an Auto Scaling Group. The application should scale based on a threshold for the number of users concurrently using the application.

How should the Auto Scaling Group be configured to scale out?

Options :

A : Use a target tracking scaling policy

B : Use the Amazon CloudWatch metric “NetworkIn”

C : Create a custom Amazon CloudWatch metric for concurrent users

D : Create a custom Amazon CloudWatch metric for memory usage

Answer: C

Question 3

A developer is troubleshooting an application in an integration environment. In the application, an Amazon Simple Queue Service (Amazon SQS) queue consumes messages and then an AWS Lambda function processes the messages. The Lambda function transforms the messages and makes an API call to a third-party service. There has been an increase in application usage. The third-party API frequently returns an HTTP 429 Too Many Requests error message. The error message prevents a significant number of messages from being processed successfully. How can the developer resolve this issue?

Options :

A : Increase the SQS event source’s batch size setting.

B : Configure provisioned concurrency for the Lambda function based on the third-party API’s documented rate limits.

C : Increase the retry attempts and maximum event age in the Lambda function’s asynchronous configuration.

D : Configure maximum concurrency on the SQS event source based on the third-party service’s documented rate limits.

Answer: D

Question 4

A Developer is creating an AWS Lambda function that generates a new file each time it runs. Each new file must be checked into an AWS CodeCommit repository hosted in the same AWS account.

How should the Developer accomplish this?

Options :

A : After the new file is created in Lambda, use cURL to invoke the CodeCommit API. Send the file to the repository

B : Upload the new file to an Amazon S3 bucket. Create an AWS Step Function to accept S3 events. In the Step Function, add the new file to the repository

C : When the Lambda function starts, use the Git CLI to clone the repository. Check the new file into the cloned repository and push the change

D : Use an AWS SDK to instantiate a CodeCommit client. Invoke the put_file method to add the file to the repository

Answer: D

Question 5

A team of Developers require access to an AWS account that is a member account in AWS Organizations. The administrator of the master account needs to restrict the AWS services, resources, and API actions that can be accessed by the users in the account.

What should the administrator create?

Options :

A : A Consolidated Billing account

B : An Organizational Unit

C : A Tag Policy

D : A Service Control Policy (SCP)

Answer: D

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