- (Exam Topic 3)
Which AWS benefit is demonstrated by on-demand technology services that enable companies to replace upfront fixed expenses with variable expenses?

1. A. High availability
2. B. Economies of scale
3. C. Pay-as-you-go pricing
4. D. Global reach

Correct Answer: C

- (Exam Topic 2)
A company is running a Microsoft SOL Server instance on premises and is migrating its application to AWS.
The company lacks the resources needed to refactor the application but management wants to reduce operational overhead as part of the migration.
Which database service would MOST effectively support these requirements?

1. A. Amazon DynamoDB
2. B. Amazon Redshift
3. C. Microsoft SQL Server on Amazon EC2
4. D. Amazon RDS for SQL Server

Correct Answer: D

- (Exam Topic 3)
A company needs to block SQL injection attacks.
Which AWS service or feature provides this functionality?

1. A. AWS WAF
2. B. Network ACLs
3. C. Security groups
4. D. AWS Trusted Advisor

Correct Answer: A

- (Exam Topic 3)
Which AWS service or feature can a company use to estimate AWS costs before provisioning workloads?

1. A. AWS Pricing Calculator
2. B. AWS Cost and Usage Report
3. C. Cost Explorer
4. D. AWS Budgets

Correct Answer: A

- (Exam Topic 1)
Which AWS service enables the decoupling and scaling of applications?

1. A. Amazon Simple Queue Service (Amazon SQS)
2. B. AWS Outposts
3. C. Amazon S3
4. D. Amazon Simple Email Service (Amazon SES)

Correct Answer: A
Amazon Simple Queue Service (SQS) is a fully managed message queuing service that enables you to decouple and scale microservices, distributed systems, and serverless applications.