AWS-Certified-Developer-Associate Free Practice Test

When you create a table with a hash-and-range key, you must define one or more secondary indexes on that table.

1. A. False, hash-range key is another name for secondary index
2. B. False, it is optional
3. C. True
4. D. False, when you have Hash-Range key you cannot define Secondary index

Correct Answer: B
When you create a table with a hash-and-range key in DynamoDB, you can also define one or more secondary indexes on that table.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/LSI.htmI

In DynamoDB, could you use IAM to grant access to Amazon DynamoDB resources and API actions?

1. A. Yes
2. B. Depended to the type of access
3. C. In DynamoDB there is no need to grant access
4. D. No

Correct Answer: A
Amazon DynamoDB integrates with AWS Identity and Access Management (IAM). You can use AWS IAM to grant access to Amazon DynamoDB resources and API actions. To do this, you first write an AWS IAM policy, which is a document that explicitly lists the permissions you want to grant. You then attach that policy to an AWS IAM user or role.
Reference: http://docs.aws.amazon.com/amazondynamodb/latest/developerguide/UsingIAMWithDDB.htmI

Which of the following are correct statements with policy evaluation logic in AWS Identity and Access Management? Choose 2 answers

1. A. By default, all requests are denied
2. B. An explicit allow overrides an explicit deny
3. C. An explicit allow overrides default deny.
4. D. An explicit deny does not override an explicit allow
5. E. By default, all request are allowed

Correct Answer: AC

In relation to Amazon Simple Workflow Service (Amazon SWF),what is an "ActMty Worker"?

1. A. An indMdual task undertaken by a workflow
2. B. The automation of a business process
3. C. A piece of software that implements tasks
4. D. All answers listed are correct

Correct Answer: C
In relation to Amazon Simple Workflow Service (Amazon SWF), an actMty worker is a program that receives actMty tasks, performs them, and provides results back. Which translates to a piece of software that implements tasks.
Reference: http://docs.aws.amazon.com/amazonswf/latest/developerguide/swf-dg-develop-actMty.html

A user has created a snapshot of an EBS volume. Which of the below mentioned usage cases is not possible with respect to a snapshot?

1. A. Nlirroring the volume from one AZ to another AZ
2. B. Launch an instance
3. C. Decrease the volume size
4. D. Increase the size of the volume

Correct Answer: C
The EBS snapshots are a point in time backup ofthe volume. It is helpful to move the volume from one AZ to another or launch a new instance. The user can increase the size of the volume but cannot decrease it less than the original snapshot size.
Reference: http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/EBSSnapshots.htmI