Try 12 free AWS Cloud Practitioner practice questions
Real exam-style questions taken word for word from the AWS Cloud Practitioner study guide. Three are below, with the full answer explanation. Enter your email and the full 12-question PDF is yours.
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Three questions to try right now
Work each one before you open the answer. These are the same style and depth as the AWS Certified Cloud Practitioner (CLF-C02) exam expects.
Question 1. A company's web application serves mostly static content (images, CSS, JavaScript files) to users around the world. They want to reduce latency by delivering content from a location close to each user. Which service BEST addresses this?
- A. AWS Global Accelerator
- B. Amazon CloudFront
- C. Amazon Route 53 with latency-based routing
- D. AWS Direct Connect
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Answer: B. Amazon CloudFront is a CDN that caches copies of static content at edge locations distributed globally. When a user requests content, CloudFront serves it from the nearest edge location rather than the origin server, dramatically reducing latency. This is exactly the described use case. A is wrong: AWS Global Accelerator improves the network path for dynamic, non-cacheable traffic, it does not cache content. C is wrong: Route 53 latency-based routing directs users to the lowest-latency Region but does not cache or serve the content. D is wrong: AWS Direct Connect is a private physical connection for hybrid connectivity; it does not deliver or cache content for end users.
Question 2. A startup is launching its first AWS application next week and does not yet know how much compute capacity it will need. The application may scale dramatically in either direction during the first month. Which purchasing option is MOST appropriate?
- A. Reserved Instances with a 1-year, All Upfront payment
- B. Savings Plans committed at a fixed hourly spend
- C. On-Demand Instances
- D. Spot Instances
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Answer: C. On-Demand Instances carry no commitment and no upfront cost. They are the correct choice when workload size is genuinely unknown. The startup can scale up or down freely, then switch to Reserved Instances or Savings Plans once usage patterns are established. A is wrong: committing to a 1-year RI before knowing capacity needs risks over-committing or under-provisioning. B is wrong: a Savings Plan commits a fixed dollar-per-hour spend; without known usage the company cannot set a meaningful commitment. D is wrong: Spot Instances can be interrupted, unacceptable for a production launch where reliability is critical from day one.
Question 3. A company's cloud team has correctly rightsized all its EC2 instances at launch. The team's manager says, "Good, that work is done, and we won't need to revisit instance sizing." Which statement BEST describes why the manager's conclusion is incorrect?
- A. AWS automatically changes instance sizes every quarter, so the team will need to accept whatever AWS assigns.
- B. Rightsizing is an ongoing discipline because workload requirements change over time as traffic patterns, features, and business conditions evolve.
- C. Rightsizing is only relevant for Reserved Instances, not On-Demand instances.
- D. Rightsizing at launch is not possible; AWS does not allow instance type changes after launch.
Show the answer
Answer: B. Rightsizing is not a one-time activity. Workloads change: traffic grows, new features add load, usage patterns shift seasonally, the business grows or contracts. The instance size that was correct at launch may be significantly wrong a year later. AWS Compute Optimizer provides ongoing recommendations, but the team must actively review and act on them. A is wrong: AWS does not automatically change instance types; customers choose and change them. C is wrong: rightsizing applies to any compute resource regardless of pricing model. D is wrong: EC2 does allow changing instance types (with a stop/start for most families).
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