AWS Certified Developer Associate-Q & A

1) As AWS Developer ,You have to retrieve some items from a DynamoDB table using the primary key. What API call will provide better performance?
​Query
​GetItem
PutItem

Ans: Query

GetItem

2) Your Team lead is developing a business intelligence application that performs analytics and your team lead wants to integrate it with a fully managed data warehouse service. What AWS DB platform is suitable for your case?
​Redshift
RDS

Ans- Redshift

3) Which of the following is a benefit of using CloudFormation
Infrastructure as Code
Cost
Productivity
Separation of Concerns
Don’t re-invent the wheel

Ans:-All of the above

4) Which AWS services are tied to a region, such as (select three)​
AWS IAM
​AWS CloudFront
AWS EC2
​AWS DynamoDB
​AWS Lambda

Ans: AWS EC2
​AWS DynamoDB
​AWS Lambda

5) Alex has deleted CloudFormation stack. Will it delete everything that it has created?
Yes
No

Ans- Yes

6) Your Team lead want to run bash commands on your Linux EC2 Instance during its first launch. What option should he use to run the bash commands ?​
User Data
Meta Data

​Ans : User Data

7) When we delete a CloudFormation stack, we have to delete everything that was created by it manually afterward
Yes
No

Ans – No

8) What section is required in every CloudFormation template?​
Resources​
Conditions

Ans – Resources

9) Stacks must have unique names
Yes
No

Ans:-Yes

10) Consider your team lead has created one EC2 instance and you assign a secondary private IPv4 address to your EC2 instance, you need to configure the operating system on your instance to recognize the secondary private IP address. If you are using an Ubuntu Linux instance, the ec2-net-utils package can take care of this step for you. Is it false or true?

Ans:-False