Domain 4: Design Cost-Optimized Architectures

Question 1

A cost-effective solution for over-provisioning of resources.

Answer 1

Configure a target tracking scaling in ASG.

Question 2

The application data is stored in a tape backup solution. The backup data must be preserved for up to 10 years.

Answer 2

Use AWS Storage Gateway to backup the data directly to Amazon S3 Glacier Deep Archive.

Question 3

Accelerate the transfer of historical records from on-premises to AWS over the Internet in a cost-effective manner.

Answer 3

Use AWS DataSync and select Amazon S3 Glacier Deep Archive as the destination.

Question 4

Globally deliver the static contents and media files to customers around the world with low latency.

Answer 4

Store the files in Amazon S3 and create a CloudFront distribution. Select the S3 bucket as the origin.

Question 5

An application must be hosted to two EC2 instances and should continuously run for three years. The CPU utilization of the EC2 instances is expected to be stable and predictable.

Answer 5

Deploy the application to a Reserved instance.

Question 6

Implement a cost-effective solution for S3 objects that are accessed less frequently.

Answer 6

Create an Amazon S3 lifecyle policy to move the objects to Amazon S3 Standard-IA.

Question 7

Create an Amazon S3 lifecyle policy to move the objects to Amazon S3 Standard-IA.

Answer 7

Deploy the EC2 instances in the same Region.

Question 8

Import the SSL/TLS certificate of the application.

Answer 8

Import the certificate into AWS Certificate Manager or upload it to AWS IAM.