AWS 2 Compute in the Cloud

Which of the following is an example of horizontal scaling in the AWS Cloud?

• Replacing an existing EC2 instance with a larger, more powerful one.
• Increasing the compute capacity of a single EC< instance to address the growing demands of an application.
• Adding more RAM capacity to an EC2 instance.
• Adding more EC2 instances of the same size to handle an increase in traffic.

Adjusting compute capacity dynamically to reduce cost is an implementation of which AWS cloud best practice?

• Build security in every layer.
• Parallelize tasks.
• Implement elasticity.
• Adopt monolithic architecture.

You want to run a questionnaire application for only one day (without interruption), which Amazon EC2 purchase option should you use?

• Reserved instances.
• Spot instances.
• Dedicated instances.
• On-demand instances.

You are working on a project that involves creating thumbnails of millions of images. Consistent uptime is not an issue, and continuous processing is not required. Which EC2 buying option would be the most cost-effective?

• Reserved Instances.
• On-demand Instances.
• Dedicated Instances.
• Spot Instances.

What is the AWS service that enables AWS architects to manage infrastructure as code?

• AWS CloudFormation.
• AWS Config.
• Amazon SES.
• Amazon EMR.

A company is concerned that they are spending money on underutilized compute resources in AWS. Which AWS feature will help ensure that their applications are automatically adding/removing EC2 compute capacity to closely match the required demand?

• AWS Elastic Load Balancer.
• AWS Budgets.
• AWS Auto Scaling.
• AWS Cost Explorer.

Which of the following EC2 instance purchasing options supports the Bring Your Own License (BYOL) model for almost every BYOL scenario?

• Dedicated Instances.
• Dedicated Hosts.
• On-demand Instances.
• Reserved Instances.

What is the AWS service that provides you the highest level of control over the underlying virtual infrastructure?

• Amazon Redshift.
• Amazon DynamoDB.
• Amazon EC2.
• Amazon RDS.

In your on-premises environment, you can create as many virtual servers as you need from a single template. What can you use to perform the same in AWS?

• IAM.
• An internet gateway.
• EBS Snapshot.
• AMI.

Which of the following services allows you to run containerized applications on a cluster of EC2 instances?

• Amazon ECS.
• AWS Data Pipeline.
• AWS Cloud9.
• AWS Personal Health Dashboard.