Free Amazon DVA-C02 Exam Questions

Become Amazon Certified with updated DVA-C02 exam questions and correct answers

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Total 939 Questions | Updated On: Mar 27, 2025

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Question 1

A Developer has setup an Amazon Kinesis Data Stream with 6 shards to ingest a maximum of 2000 records per second. An AWS Lambda function has been configured to process these records. In which order will these records be processed?

A : mbda will receive each record in the exact order it was placed into the shard. There is no guarantee of order across shards

B : mbda will receive each record in the exact order it was placed into the stream

C : Developer can select exact order or reverse order using the GetRecords API

D : mbda will receive each record in the reverse order it was placed into the stream

Answer: A

Question 2

company has a mobile app. The app includes an Amazon API Gateway REST API that invokes AWS Lambda functions. The Lambda functions process data from the app.

The company needs to test updated Lambda functions that have new features. The company must conduct these tests with a subset of users before deployment. The tests must not affect other users of the app.

Which solution will meet these requirements with the LEAST amount of operational effort?

A : Create a new version of each Lambda function with a weighted alias. Configure a weight value for each version of the Lambda function. Update the new weighted alias Amazon Resource Name (ARN) in the REST API.

B : Create a new REST API in API Gateway. Set up a Lambda proxy integration to connect to multiple Lambda functions. Enable canary settings on the deployment stage. Specify a smaller percentage of API traffic to go to the new version of the Lambda function.

C : Create a new version of each Lambda function. Integrate a predefined canary deployment in AWS CodeDeploy to slowly shift the traffic to the new versions automatically.

D : Create a new REST API in API Gateway. Set up a Lambda non-proxy integration to connect to multiple Lambda functions. Specify the necessary parameters and properties in API Gateway. Enable canary settings on the deployment stage. Specify a smaller percentage of API traffic to go to the new version of the Lambda function.

Answer: C

Question 3

A solution requires a serverless service for receiving streaming data and loading it directly into an Amazon Elasticsearch datastore. Which AWS service would be suitable for this requirement?

A : azon Kinesis Data Firehose

B : azon Kinesis Data Analytics

C : azon Kinesis Data Streams

D : azon Simple Queue Service (SQS)

Answer: A

Question 4

While defining a business workflow as state machine on AWS Step Functions, a developer has configured several states.

Which of the following would you identify as the state that represents a single unit of work performed by a state machine?

A : "FailState": { "Type": "Fail", "Cause": "Invalid response.", "Error": "ErrorA"}

B : "HelloWorld": { "Type": "Task", "Resource": "arn:aws:lambda:us-east-1:123456789012:function:HelloFunction", "Next": "AfterHelloWorldState", "Comment": "Run the HelloWorld Lambda function"}

C : "wait_until" : { "Type": "Wait", "Timestamp": "2016-03-14T01:59:00Z", "Next": "NextState"}

D : "No-op": { "Type": "Task", "Result": { "x-datum": 0.381018, "y-datum": 622.2269926397355 }, "ResultPath": "$.coords", "Next": "End"}

Answer: B

Question 5

A mobile application has thousands of users. Each user may use multiple devices to access the application. The Developer wants to assign unique identifiers to these users regardless of the device they use.

Which of the below is the BEST method to obtain unique identifiers?

A : plement developer-authenticated identities by using Amazon Cognito and get credentials for these identities

B : eate a user table in Amazon DynamoDB with key-value pairs of users and their devices. Use these keys as unique identifiers

C : IAM-generated access key IDs for the users as the unique identifier, but do not store secret keys

D : ign IAM users and roles to the users. Use the unique IAM resource ID as the unique identifier

Answer: A

Page: 1 / 188

Total 939 Questions | Updated On: Mar 27, 2025

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