Exam Overview
| Exam Code | CLF-C01 |
| Exam Name | AWS Certified Cloud Practitioner Exam |
| Vendor | Amazon |
| Total Questions | 370 |
| Last Updated | 26-Oct, 2026 |
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Free CLF-C01 Practice Questions
Explore 5 free practice questions for the Amazon CLF-C01 exam and review the answers and explanations to support your preparation.
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Question 1
Multiple answersA company runs a web application on Amazon EC2 instances. The application must run constantly and is expected to run indefinitely without interruption. Which EC2 instance purchasing options will meet these requirements MOST cost-effectively? (Select TWO.)
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Option A:Correct
On-Demand Instances
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Option B:Correct
Spot Instances.
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Option C:Correct
Reserved Instances
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Option D:Correct
Savings Plans
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Option E:Correct
Dedicated Hosts
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: C, D
Explanation
Amazon EC2 provides the following purchasing options to enable you to optimize your costs based on your needs: *On-Demand Instances – Pay, by the second, for the instances that you launch. *Savings Plans – Reduce your Amazon EC2 costs by making a commitment to a consistent amount of usage, in USD per hour, for a term of 1 or 3 years. *Reserved Instances – Reduce your Amazon EC2 costs by making a commitment to a consistent instance configuration, including instance type and Region, for a term of 1 or 3 years. *Spot Instances – Request unused EC2 instances, which can reduce your Amazon EC2 costs significantly. *Dedicated Hosts – Pay for a physical host that is fully dedicated to running your instances, and bring your existing per-socket, per-core, or per-VM software licenses to reduce costs. *Dedicated Instances – Pay, by the hour, for instances that run on single-tenant hardware. *Capacity Reservations – Reserve capacity for your EC2 instances in a specific Availability Zone for any duration. If you require a capacity reservation, purchase Reserved Instances or Capacity Reservations for a specific Availability Zone. Spot Instances are a cost-effective choice if you can be flexible about when your applications run and if they can be interrupted. Dedicated Hosts or Dedicated Instances can help you address compliance requirements and reduce costs by using your existing server-bound software licenses.
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Question 2
Single answerA company needs steady and predictable performance from its Amazon EC2 instances at the lowest possible cost. The company also needs the ability to scale resources to ensure that it has the right resources available at the right time. Which AWS service or resource will meet these requirements?
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Option A:Correct
Amazon CloudWatch
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Option B:Correct
Application Load Balancer
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Option C:Correct
AWS Batch
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Option D:Correct
Amazon EC2 Auto Scaling
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: D
Explanation
AWS Auto Scaling monitors your applications and automatically adjusts capacity to maintain steady, predictable performance at the lowest possible cost.
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Question 3
Single answerA company needs a centralized, secure way to create and manage cryptographic keys. The company will use the keys across a wide range of AWS services and applications. The company needs to track and document when the keys are created, used, and deleted. Which AWS service or feature will meet these requirements?
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Option A:Correct
AWS Secrets Manager
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Option B:Correct
AWS License Manager
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Option C:Correct
AWS Systems Manager Parameter Store
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Option D:Correct
AWS Key Management Service (AWS KMS)
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: D
Explanation
A company needs steady and predictable performance from its Amazon EC2 instances at the lowest possible cost. The company also needs the ability to scale resources to ensure that it has the right resources available at the right time. Which AWS service or resource will meet these requirements?
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Question 4
Multiple answersWhich AWS services can use AWS WAF to protect against common web exploitations? (Select TWO.)
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Option A:Correct
Amazon Route 53
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Option B:Correct
Amazon CloudFront
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Option C:Correct
AWS Transfer Family
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Option D:Correct
AWS Site-to-Site VPN
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Option E:Correct
Amazon API Gateway
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: B, E
Explanation
AWS WAF can be deployed on Amazon CloudFront, the Application Load Balancer (ALB), Amazon API Gateway, and AWS AppSync. As part of Amazon CloudFront it can be part of your Content Distribution Network (CDN) protecting your resources and content at the Edge locations.
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Question 5
Multiple answersA retail company is migrating its IT infrastructure applications from on premises to the AWS Cloud. Which costs will the company eliminate with this migration? (Select TWO.)
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Option A:Correct
Cost of data center operations
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Option B:Correct
Cost of application licensing
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Option C:Correct
Cost of marketing campaigns
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Option D:Correct
Cost of physical server hardware
Show Answer & Explanation Hide Answer & Explanation
Correct Answer: A, D
Explanation
When a company migrates its applications from on-premises infrastructure to the Amazon Web Services Cloud, it no longer needs to maintain its own data center facilities or purchase and replace physical servers. Therefore, the company eliminates:
- A. Cost of data center operations – AWS manages the underlying data center facilities, including power, cooling, and physical infrastructure.
- D. Cost of physical server hardware – The company no longer needs to buy, maintain, or upgrade physical servers because AWS provides the required computing resources on demand.
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