10 CLF-C02 practice questions with answer reveals and spoken explanations. Choose before the reveal and keep your score.
Certification: AWS Certified Cloud Practitioner (CLF-C02). Independent practice, not an official exam.
How to use this round:
– Pause each question if you need more time to decide.
– Compare your answer after the reveal.
– Review the concepts you missed, then practice again.
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What you will practice
- Which benefit of AWS enables companies to replace upfront fixed expenses with variable expenses when using on…
- Amazon S3 is typically used for which of the following use cases? (Select TWO.)
- Which benefits can a company immediately realize using the AWS Cloud? (Select TWO.)
- A company is interested in moving its on-premises NoSQL database into the AWS Cloud. Which AWS service should…
- Which of the following best describes an Availability Zone in the AWS Cloud?
- Which AWS services offer compute capabilities? (Select TWO.)
Answers and explanations
Tap a question to expand the answer and the exam reasoning. Try to commit to your own pick first.
Q1. Which benefit of AWS enables companies to replace upfront fixed expenses with variable expenses when using on-demand technology services?
Answer: C. Pay-as-you-go pricing
Pay-as-you-go pricing replaces upfront capital expense with variable expense tied only to what you consume. Economies of scale sounds tempting, but that benefit is about lower unit costs from aggregate usage, not swapping fixed for variable costs.
Q2. Amazon S3 is typically used for which of the following use cases? (Select TWO.)
Answer: A,D. Host a static website || Media hosting
Amazon S3 is object storage commonly used to host static websites and media files. Message queues need SQS, caching needs ElastiCache, and operating systems require block storage like EBS, not object storage.
Q3. Which benefits can a company immediately realize using the AWS Cloud? (Select TWO.)
Answer: C,E. Capital expenses are replaced with variable expenses || Increased agility
Moving to AWS replaces upfront capital expenses with pay-as-you-go variable expenses and increases agility. Security remains a shared responsibility, and customers never control the physical infrastructure.
Q4. A company is interested in moving its on-premises NoSQL database into the AWS Cloud. Which AWS service should the company use to replace their existing database?
Answer: C. Amazon DynamoDB
Amazon DynamoDB is AWS's managed NoSQL key-value database, making it the right replacement. RDS is relational, Redshift is data warehousing, and QLDB is a ledger database, so none fit a NoSQL workload.
Q5. Which of the following best describes an Availability Zone in the AWS Cloud?
Answer: C. One or more physical data centers
An Availability Zone consists of one or more discrete data centers with redundant power and networking inside a Region. A completely isolated geographic location describes a Region, and edge locations serve CloudFront caching.
Q6. Which AWS services offer compute capabilities? (Select TWO.)
Answer: A,B. AWS Lambda || Amazon ECS
AWS Lambda runs serverless functions and Amazon ECS runs containers, so both provide compute. EFS is file storage, CloudHSM manages keys, and DynamoDB is a database service.
Q7. A company has a global user base and needs to deploy AWS services that can decrease network latency for their users. Which services may assist? (Select TWO.)
Answer: A,D. AWS Global Accelerator || Amazon CloudFront
CloudFront caches content at edge locations and Global Accelerator routes users over the AWS backbone, both cutting global latency. Direct Connect helps one fixed site, not a worldwide user base.
Q8. Which AWS service is a fully-managed source control service that hosts secure Git-based repositories?
Answer: C. AWS CodeCommit
AWS CodeCommit is the fully managed source control service that hosts secure Git-based repositories. On the exam, remember the Code-family roles: CodeBuild compiles, CodeDeploy deploys, and CodePipeline orchestrates the release pipeline.
Q9. A Cloud Practitioner requires a simple method to identify if unrestricted access to resources has been allowed by security groups. Which service can the Cloud Practitioner use?
Answer: D. AWS Trusted Advisor
Trusted Advisor runs security checks that flag security group rules allowing unrestricted 0.0.0.0/0 access on risky ports. CloudTrail audits API calls and VPC Flow Logs capture traffic metadata, but neither directly identifies overly permissive rules.
Q10. According to the AWS shared responsibility model, which task is the customer's responsibility?
Answer: B. Updating the guest operating system on Amazon EC2 instances.
Patching the guest operating system on EC2 is security in the cloud, which the customer owns. For managed services like Lambda, DynamoDB, and API Gateway, AWS maintains the underlying infrastructure and operating systems.
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