AWS-Certified-Developer-Associate Free Practice Test

can be used to bootstrap both the Chef Server and Chef Client software on your EC2 instances.

1. A. AWS CIoudFormation
2. B. AWS Elastic Beanstalk
3. C. AWS OpsWorks
4. D. Amazon Glacier

Correct Answer: A
AWS CIoudFormation can be used to bootstrap both the Chef Server and Chef Client software on your EC2 instances.
Reference: http://aws.amazon.com/c|oudformation/faqs/

Does Amazon DynamoDB support both increment and decrement atomic operations?

1. A. No, neither increment nor decrement operations.
2. B. Only increment, since decrement are inherently impossible with DynamoDB's data model.
3. C. Only decrement, since increment are inherently impossible with DynamoDB's data model.
4. D. Yes, both increment and decrement operation

Correct Answer: D
Amazon DynamoDB supports increment and decrement atomic operations.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/APISummary.html

Games-R-Us is launching a new game app for mobile devices. Users will log into the game using their existing Facebook account and the game will record player data and scoring information directly to a DynamoDB table.
What is the most secure approach for signing requests to the DynamoDB API?

1. A. Create an IAM user with access credentials that are distributed with the mobile app to sign the requests
2. B. Distribute the AWS root account access credentials with the mobile app to sign the requests
3. C. Request temporary security credentials using web identity federation to sign the requests
4. D. Establish cross account access between the mobile app and the DynamoDB table to sign the requests

Correct Answer: C

How can a user configure three termination policies for the AutoScaIing group?

1. A. Define multiple policies in random order
2. B. Define multiple policies in the ordered list
3. C. Keep updating the AutoScaIing group with each policy
4. D. The user cannot specify more than two policies for AutoScaIing

Correct Answer: B
To configure the Auto Scaling termination policy, the user can either specify any one of the policies as a standalone policy or list multiple policies in an ordered list. The policies are executed in the order that they are listed.
Reference: http://docs.aws.amazon.com/AutoScaIing/latest/DeveIoperGuide/us-termination-policy.html

Regarding Amazon SWF, at times you might want to record information in the workflow history of a workflow execution that is specific to your use case. enable you to record information in the workflow execution history that you can use for any custom or scenario-specific purpose.

1. A. Markers B.Tags
2. B. Hash keys
3. C. Events

Correct Answer: A
In Amazon SWF, at times you might want to record information in the workflow history of a workflow execution that is specific to your use case. Markers enable you to record information in the workflow
execution history that you can use for any custom or scenario-specific purpose.
Reference: http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-adv.html