- (Exam Topic 2)
A user needs the ability to access as many resources as are needed. The user also needs the ability to scale up and scale down with only a few minutes of notice. Which benefit of the AWS Cloud describes these abilities?

1. A. Ratability
2. B. Economy of scale
3. C. Elasticity
4. D. Pay-as-you-go pricing

Correct Answer: C

- (Exam Topic 1)
A company is considering a migration from on premises to the AWS Cloud. The company’s IT team needs to offload support of the workload. What should the IT team do to accomplish this goal?

1. A. Use AWS Managed Services to provision, run, and support the company infrastructure.
2. B. Build hardware refreshes into the operational calendar to ensure availability.
3. C. Use Amazon Elastic Container Service (Amazon ECS) on Amazon EC2 instances.
4. D. Overprovision compute capacity for seasonal events and traffic spikes to prevent downtime.

Correct Answer: A

- (Exam Topic 2)
A company wants to receive alerts when resources that are launched in the company's AWS account reach 80% of their service quotas. Which AWS service should the company use to meet this requirement?

1. A. AWS CloudTrail
2. B. AWS Trusted Advisor
3. C. AWS Config
4. D. Amazon inspector

Correct Answer: B

- (Exam Topic 2)
A company uses Amazon EC2 infrastructure to host steady-stale workloads and needs to achieve significant cost savings. Which EC2 instance pricing model should the company select?

1. A. Reserved instances
2. B. On-Demand instances
3. C. Spot Instances
4. D. Dedicated Hosts

Correct Answer: A
Instances that must be online all the time and have steady or predictable traffic Any baseline usage, while using On-Demand or Spot Instances for bursts Applications that might require reserved capacity Customers who can commit to using EC2 over a one-year or 3-year term
https://aws.amazon.com/blogs/startups/optimizing-your-costs-for-aws-services-part-1/

- (Exam Topic 1)
A company needs to deploy an Amazon EC2 instance and attach a storage mount for the operating system and application files. Which AWS service will meet these requirements?

1. A. AWS Backup
2. B. Amazon Elastic File System (Amazon EFS)
3. C. Amazon S3
4. D. Amazon Elastic Block Store (Amazon EBS)

Correct Answer: D