Question 1mediummultiple choice
Full question →mediummultiple choiceObjective-mapped
A company recently signed up for AWS and is using the 12-month Free Tier offer. In the first month, they launched a single Amazon EC2 t2.micro instance and used it for exactly 750 hours. In the second month, they launched a second t2.micro instance and ran both instances simultaneously for 500 hours each (a total of 1,000 instance-hours for the month). Which statement accurately describes the charges for the second month under the Free Tier?
Answer choices
Why each option matters
Good practice is not just finding the correct option. The wrong answers often show the exact trap the exam wants you to fall into.
A
Distractor review
The entire 1,000 hours are free because each instance is eligible for 750 free hours per month.
This is incorrect. The Free Tier offers 750 total hours per month across all t2.micro instances, not 750 hours per instance.
B
Distractor review
The first 500 hours of each instance are free, and the remaining 500 hours are charged.
This is incorrect. The Free Tier does not split free hours evenly per instance; it applies to the cumulative usage across all instances.
C
Best answer
The first 750 hours of combined usage across both instances are free, and the remaining 250 hours are charged.
This is correct. The Free Tier provides 750 free hours per month aggregated across all t2.micro instances. 750 of the 1,000 hours are free; the additional 250 hours incur charges.
D
Distractor review
The entire 1,000 hours are charged because the Free Tier only applies to the first month.
This is incorrect. The 12-month Free Tier applies each month for the first 12 months, not only the first month.
Common exam trap
Common exam trap: answer the scenario, not the keyword
Many certification questions include familiar terms but test a specific constraint. Read the exact wording before choosing an answer that is generally true but wrong for this case.
Technical deep dive
How to think about this question
This question should be treated as a scenario, not a definition check. Identify the problem, the constraint and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
- Use explanations to understand the rule behind the answer.
TExam Day Tips
- Underline the problem statement mentally.
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
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More questions from this exam
Keep practising from the same exam bank, or move into a focused topic page if this question exposed a weak area.
Question 1
A developer needs to launch a test server for a new application prototype. The developer logs into the AWS Management Console, selects an Amazon EC2 instance type, configures the security group, and starts the instance. The instance is running within two minutes, and the developer did not need to submit a formal request to the company's IT procurement team or wait for approval from a cloud administrator. Which essential characteristic of cloud computing does this scenario best demonstrate?
Question 2
A solutions architect is planning a new web application on AWS. The workload will include 3 Amazon EC2 instances (t3.medium) running 24/7, an Application Load Balancer, and an Amazon RDS for MySQL db.t3.small database. The architect needs to estimate the monthly cost for the first year, considering different purchasing options (On-Demand, 1-year All Upfront Reserved Instance, and Compute Savings Plan). Which AWS tool should the architect use to create this estimate?
Question 3
A company's development team frequently needs temporary test environments. A developer can log into the AWS Management Console, select an Amazon EC2 instance type, configure storage, and launch the instance within minutes without any interaction with the IT infrastructure team. This capability is an example of which essential characteristic of cloud computing?
Question 4
A company's finance team needs to analyze AWS spending in detail. They require a report that includes hourly cost data for each AWS service, each individual resource (e.g., a specific EC2 instance), and any cost allocation tags applied. The team plans to export this data to an Amazon S3 bucket and then import it into a custom business intelligence (BI) analytics dashboard. Which AWS tool should the finance team use to generate this level of detailed cost data?
Question 5
A company uses AWS for its development environment. The finance team wants to set a monthly budget of $10,000. They want to receive an email notification when the actual costs reach 80% of the budget ($8,000) and again when costs exceed the budget. The team needs a managed AWS service that can automatically send these alerts without requiring custom code or third-party tools. Which AWS service should the team use?
Question 6
A company uses AWS Organizations to manage multiple accounts. The security team needs to enforce a policy that restricts SSH access (port 22) from the internet (0.0.0.0/0) in all VPCs across all accounts. The team wants to centrally define the allowed rules and automatically apply them to newly created VPCs and security groups, while also automatically remediating any existing non-compliant security groups. Which AWS service should the team use?
FAQ
Questions learners often ask
What does this CLF-C02 question test?
Read the scenario before looking for a memorised answer.
What is the correct answer to this question?
The correct answer is: The first 750 hours of combined usage across both instances are free, and the remaining 250 hours are charged. — The AWS Free Tier for EC2 includes 750 hours of t2.micro (or t3.micro, depending on region) instance usage per month for the first 12 months. This limit is aggregated across all instances of the same family in the same AWS account. In this scenario, the company used a total of 1,000 instance-hours in the second month. The first 750 hours are free, and the remaining 250 hours are charged at standard On-Demand rates. Option A is incorrect because the free hours are not per-instance; they are a combined pool. Option B is incorrect because the Free Tier does not allocate free hours on a per-instance basis; it's a monthly aggregate. Option D is incorrect because the Free Tier applies each month for 12 months, not just the first month.
What should I do if I get this CLF-C02 question wrong?
Then try more questions from the same exam bank and focus on understanding why the wrong options are tempting.
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