AWS-Certified-Developer-Associate Free Practice Test

- (Exam Topic 4)
A developer designed an application on an Amazon EC2 instance. The application makes API requests to objects in an Amazon S3 bucket. Which combination of steps will ensure that the application makes the API requests in the MOST secure manner? (Select TWO.)

1. A. Create an IAM user that has permissions to the S3 bucke
2. B. Add the user to an 1AM group.
3. C. Create an IAM role that has permissions to the S3 bucket.
4. D. Add the IAM role to an instance profil
5. E. Attach the instance profile to the EC2 instance.
6. F. Create an IAM role that has permissions to the S3 bucke
7. G. Assign the role to an 1AM group.
8. H. Store the credentials of the 1AM user in the environment variables on the EC2 instance.

Correct Answer: BC

- (Exam Topic 1)
Company A has an S3 bucket containing premier content that they intend to make available to only paid subscribers of their website. The S3 bucket currently has default permissions of all objects being private to prevent inadvertent exposure of the premier content to non-paying website visitors.
How can Company A provide only paid subscribers the ability to download a premier content file in the S3 bucket?

1. A. Apply a bucket policy that grants anonymous users to download the content from the S3 bucket
2. B. Generate a pre-signed object URL for the premier content file when a paid subscriber requests a download
3. C. Add a bucket policy that requires Multi-Factor Authentication for requests to access the S3 bucket objects
4. D. Enable server-side encryption on the S3 bucket for data protection against the non-paying website visitors

Correct Answer: B

- (Exam Topic 1)
The release process workflow of an application requires a manual approval before the code is deployed into the production environment.
What is the BEST way to achieve this using AWS CodePipeline?

1. A. Use multiple pipelines to allow approval
2. B. Use an approval action in a stage
3. C. Disable the stage transition to allow manual approval
4. D. Disable a stage just prior the deployment stage

Correct Answer: B

- (Exam Topic 2)
After installing the AWS CLI, a Developer tries to run the command aws configure but receives the following error:
Error: aws: command not found
What is the most likely cause of this error?

1. A. The aws executable is not in the PATH environment variable.
2. B. Access to the aws executable has been denied to the installer.
3. C. Incorrect AWS credentials were provided.
4. D. The aws script does not have an executable file mode.

Correct Answer: A
https://docs.aws.amazon.com/cli/latest/userguide/cli-chap-troubleshooting.html

- (Exam Topic 2)
A stock market monitoring application uses Amazon Kinesis for data ingestion. During simulated tests of peak data rates, the Kinesis stream cannot keep up with the incoming data.
What step will allow Kinesis to accommodate the traffic during peak hours?

1. A. Install the Kinesis Producer Library (KPL) for ingesting data into the stream.
2. B. Reduce the data retention period to allow for more data ingestion using DecreaseStreamRetentionPeriod.
3. C. Increase the shard count of the stream using UpdateShardCount.
4. D. Ingest multiple records into the stream in a single call using PutRecords.

Correct Answer: C
https://docs.aws.amazon.com/streams/latest/dev/developing-producers-with-kpl.html