AWS Solution Architect -Associate

1. You have a video transcoding application running on Amazon EC2. Each instance polls a queue to find out which video should be transcoded, and then runs a transcoding process.If this process is interrupted, the video will be transcoded by another instance based on the queuing system. You have a large backlog of videos which need to be transcoded and would like to reduce this backlog by adding more instances. You will need these instancesonly until the backlog is reduced. Which type of Amazon EC2 instances should you use to reduce the backlog in the most cost efficient way?

A. Reserved instances

B. Spot instances

C. Dedicated instances

D. On-demand instances

2. You have an application running on an Amazon Elastic Compute Cloud instance, that

uploads 5 GB video objects to Amazon Simple Storage Service (S3). Video uploads are

taking longer than expected, resulting in poor application performance. Which method will help improve performance of your application?

A. Enable enhanced networking

B. Use Amazon S3 multipart upload

C. Leveraging Amazon CloudFront, use the HTTP POST method to reduce latency.

D. Use Amazon Elastic Block Store Provisioned IOPs and use an Amazon EBS-optimized instance

3. When an EC2 instance that is backed by an S3-based AMI is terminated, what happens to the data on the root volume?

A. Data is automatically saved as an EBS snapshot.

B. Data is automatically saved as an EBS volume.

C. Data is unavailable until the instance is restarted.

D. Data is automatically deleted.

4. You run an ad-supported photo sharing website using S3 to serve photos to visitors of your site. At some point you find out that other sites have been linking to the photos on your site, causing loss to your business. What is an effective method to mitigate this?

A. Remove public read access and use signed URLs with expiry dates.

B. Use CloudFront distributions for static content.

C. Block the IPs of the offending websites in Security Groups.

D. Store photos on an EBS volume of the web server.

5. Which of the following are true regarding encrypted Amazon Elastic Block Store (EBS) volumes? Choose 2 answers

A. Supported on all Amazon EBS volume types

B. Snapshots are automatically encrypted

C. Available to all instance types

D. Existing volumes can be encrypted

E. shared volumes can be encrypted