AWS-Certified-Developer-Associate Free Practice Test

A user is using an EBS backed instance. Which of the below mentioned statements is true?

1. A. The user will be charged for volume and instance only when the instance is running
2. B. The user will be charged for the volume even if the instance is stopped
3. C. The user will be charged only for the instance running cost
4. D. The user will not be charged for the volume if the instance is stopped

Correct Answer: B
If a user has launched an EBS backed instance, the user will be charged for the EBS volume even though the instance is in a stopped state. The instance will be charged for the EC2 hourly cost only when it is running.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ebs-detaching-volume.html

Which Amazon service is not used by Elastic Beanstalk?

1. A. Amazon S3
2. B. Amazon ELB
3. C. Auto scaling
4. D. Amazon EMR

Correct Answer: D
Elastic Beanstalk leverages AWS services such as Amazon Elastic Cloud Compute (Amazon EC2), Amazon Simple Storage Service (Amazon S3), Amazon Simple Notification Service (Amazon SNS), Elastic Load Balancing and Auto Scaling to deliver the same highly reliable, scalable, and cost-effective infrastructure that hundreds of thousands of businesses depend on today.
Reference: http://docs.aws.amazon.com/elasticbeanstalk/latest/dg/\NeIcome.html

Which one of the following operations is NOT a DynamoDB operation?

1. A. BatchWrite|tem
2. B. DescribeTabIe
3. C. BatchGetItem
4. D. BatchDeIeteItem

Correct Answer: D
In DynamoDB, Deleteltem deletes a single item in a table by primary key, but BatchDeIeteItem doesn’t exist.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/operationIist.htmI

A user is uploading archives to Glacier. The user is trying to understand key Glacier resources. Which of the below mentioned options is not a Glacier resource?

1. A. Notification configuration
2. B. Archive ID
3. C. Job
4. D. Archive

Correct Answer: B
AWS Glacier has four resources. Vault and Archives are core data model concepts. Job is required to initiate download of archive. The notification configuration is required to send user notification when archive is available for download.
Reference: http://docs.aws.amazon.com/amazongIacier/latest/dev/amazon-glacier-data-model.html

AutoScaIing is configured with 3 AZs. Each zone has 5 instances running. If AutoScaIing wants to terminate an instance based on the policy action, which instance will it terminate first?

1. A. Terminate the first launched instance
2. B. Randomly select the instance for termination
3. C. Terminate the instance from the AZ which does not have a high AWS load
4. D. Terminate the instance from the AZ which has instances running near to the billing hour

Correct Answer: B
Before Auto Scaling selects an instance to terminate, it first identifies the Availability Zone that has more instances than the other Availability Zones used by the group. If all the Availability Zones have the same number of instances, it identifies a random Availability Zone.
Reference: http://docs.aws.amazon.com/AutoScaIing/latest/DeveIoperGuide/us-termination-policy.html