AWS-Certified-Developer-Associate Free Practice Test

- (Exam Topic 2)
When developing an AWS Lambda function that processes Amazon Kinesis Data Streams, Administrators within the company must receive a notice that includes the processed data.
How should the Developer write the function to send processed data to the Administrators?

1. A. Separate the Lambda handler from the core logic
2. B. Use Amazon CloudWatch Events to send the processed data
3. C. Publish the processed data to an Amazon SNS topic
4. D. Push the processed data to Amazon SQS

Correct Answer: C
https://stackoverflow.com/questions/13681213/what-is-the-difference-between-amazon-sns-and-amazon-sqs https://stackoverflow.com/questions/31484868/can-you-publish-a-message-to-an-sns-topic-using-an-aws-lambd

- (Exam Topic 2)
A developer is updating an application deployed on AWS Elastic Beanstalk The new version is incompatible with the old version To successfully deploy the update, a full cutover to the new updated version must be performed on all instances at one time, with the ability to roll back changes in case of a deployment failure in the new version
How can this be performed with the LEAST amount of downtime?

1. A. Use the Elastic Beanstalk All at once deployment policy to update all instances simultaneously
2. B. Perform an Elastic Beanstalk Rolling with additional batch deployment
3. C. Deploy the new version in a new Elastic Beanstalk environment and swap environment URLs
4. D. Perform an Elastic Beanstalk Rolling deployment

Correct Answer: C

- (Exam Topic 4)
A developer is monitoring an application that runs on an Amazon EC2 instance. The developer has configured a custom Amazon CloudWatch metric with d#ta granularity of 1 second. If any issues occur, the developer wants to be notified within 30 seconds by Amazon Simple Notification Service (Amazon SNS).
What should the developer do to meet this requirement?

1. A. Configure a high-resolution CloudWatch alarm.
2. B. Set up a custom CloudWatch dashboard.
3. C. Use Amazon CloudWatch Logs Insights.
4. D. Change to a default CloudWatch metric.

Correct Answer: D

- (Exam Topic 2)
A Developer is trying to make API calls using SDK. The IAM user credentials used by the application require multi-factor authentication for all API calls.
Which method the Developer use to access the multi-factor authentication protected API?

1. A. GetFederationToken
2. B. GetCallerIdentity
3. C. GetSessionToken
4. D. DecodeAutherizationMessage

Correct Answer: B

- (Exam Topic 3)
A developer is building a new application that uses an Amazon DynamoDB table. The specification states that all items that are older than 48 hours must be removed
Which solution will meet this requirement?

1. A. Create a new attribute that has the Number data type Add a local secondary index (LSI) for this attribute and enable TTL with an expiration of 48 hours In the application code, set the value of this attribute to the current timestamp for each new item that is being inserted.
2. B. Create a new attribute that has the String data type Add a local secondary index (LSI) for this attribute and enable TTL with an expiration of 48 hours In the application code, set the value of this attribute to the current timestamp for each new item that is being inserted.
3. C. Create a new attribute that has the Number data type Enable TTL on the DynamoDB table for this attribute in the application code set the value of this attribute to the current timestamp plus 48 hours for each new item that is being inserted
4. D. Create a new attribute that has the String data type Enable TTL on the DynamoDB table for this attribute In the application code set the value of this attribute to the current timestamp plus 48 hours for each new item that is being inserted

Correct Answer: C