Why is AWS more economical than traditional data centers for applications with varying compute workloads?

• a) AWS offers free instances for all workloads.

• b) Amazon EC2 instances can be launched on-demand when needed.

• c) AWS automatically scales instances to match demand.

• d) AWS only charges for storage, not compute resources.

If your project requires monthly reports that iterate through very large amounts of data, which Amazon EC2 purchasing option should you consider?

• a) On-Demand Instances

• b) Spot Instances

• c) Scheduled Reserved Instances

• d) Dedicated Hosts

What is included in an Amazon Machine Image (AMI)?

• a) A template for the root volume for the instance.

• b) Launch permissions that control which AWS accounts can use the AMI to launch instances.

• c) A block device mapping that specifies the volumes to attach to the instance when it's launched.

• d) All of the above.

Which Amazon EC2 feature ensures your instances will not share a physical host with instances from any other AWS customer?

• a) EC2 Spot Instances

• b) Dedicated Instances

• c) EC2 Reserved Instances

• d) Elastic IP

Which of the following services is a serverless compute service in AWS?

• a) Amazon EC2

• b) AWS Lambda

• c) AWS Elastic Beanstalk

• d) Amazon ECS

What is the service provided by AWS that enables developers to easily deploy and manage applications in the cloud?

• a) AWS CloudFormation

• b) AWS Elastic Beanstalk

• c) AWS EC2

• d) AWS CodeDeploy

Your web application needs four instances to support steady traffic all of the time. On the last day of the month, the traffic triples. What is the most cost-effective way to handle this pattern?

• a) Run four Reserved Instances constantly, then add eight On-Demand Instances on the last day of each month.

• b) Run only On-Demand Instances all month.

• c) Run all instances as Spot Instances to minimize cost.

• d) Run three On-Demand Instances for the entire month and scale up manually on the last day.

True or False? Containers contain an entire operating system.

• TRUE

• FALSE

Which Amazon EC2 option is best for long-term workload with predictable usage patterns?

• a) On-Demand Instances

• b) Spot Instances

• c) Reserved Instances

• d) Elastic IPs

Which of the following must be specified when launching a new Amazon EC2 Windows instance? (Choose two.)

• a) Amazon EC2 instance type

• b) Amazon Machine Image (AMI)

• c) EC2 Key Pair

• d) EC2 instance size