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AWS free tier overview - Step-by-Step Execution

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Process Flow - AWS free tier overview
Start AWS Free Tier
↓
Sign up for AWS Account
↓
Activate Free Tier Benefits
↓
Use Eligible Services
↓
Track Usage Limits
↓
Free Tier Ends or Limits Exceeded
↓
Pay for Extra Usage or Stop
This flow shows how a user starts with AWS Free Tier, uses eligible services within limits, and either continues free or pays after limits.
Execution Sample
AWS
Sign up AWS account
Activate Free Tier
Use EC2 t2.micro instance
Use S3 storage
Monitor usage
Stop or pay if limits exceeded
This sequence shows the main steps a user takes to use AWS Free Tier services and monitor usage.
Process Table
StepActionService UsedUsage AmountFree Tier LimitStatus
1Sign up AWS accountN/AN/AN/AFree Tier activated
2Launch EC2 instanceEC2 t2.micro750 hours/month750 hours/monthWithin free tier
3Store files in S3S3 Standard Storage5 GB5 GBWithin free tier
4Use Lambda functionsAWS Lambda1 million requests1 million requestsWithin free tier
5Monitor usageAll servicesCheck usageCheck limitsNo overuse
6Use EC2 extra hoursEC2 t2.micro800 hours/month750 hours/monthExceeded free tier, pay applies
7Stop or payEC2N/AN/ABilling starts for extra usage
💡 User exceeds free tier limits at step 6, so billing starts for extra usage.
Status Tracker
VariableStartAfter Step 2After Step 3After Step 4After Step 6Final
EC2 Hours Used0750750750800800
S3 Storage Used (GB)005555
Lambda Requests000100000010000001000000
Billing StatusNo chargesNo chargesNo chargesNo chargesCharges applyCharges apply
Key Moments - 3 Insights
Why does billing start even though I am using the EC2 t2.micro instance?
Because the free tier limit for EC2 is 750 hours per month. In step 6, usage reached 800 hours, exceeding the free tier limit, so billing starts as shown in the execution_table.
Can I use multiple services at the same time and still stay in the free tier?
Yes, as long as the combined usage of each service stays within its free tier limits. The execution_table shows usage for EC2, S3, and Lambda all within limits before step 6.
What happens if I stop using services before exceeding limits?
You remain within the free tier and no charges apply. The execution_table step 5 shows monitoring usage with no overuse, so no billing occurs.
Visual Quiz - 3 Questions
Test your understanding
Look at the execution_table, at which step does EC2 usage exceed the free tier limit?
AStep 6
BStep 4
CStep 3
DStep 2
💡 Hint
Check the 'EC2 Hours Used' and 'Free Tier Limit' columns in execution_table rows.
According to variable_tracker, what is the billing status after step 4?
ACharges apply
BNo charges
CUnknown
DPending
💡 Hint
Look at the 'Billing Status' row in variable_tracker after step 4.
If you reduce EC2 usage to 700 hours, how would the execution_table change at step 6?
AStatus would be 'Exceeded free tier'
BBilling starts immediately
CStatus would be 'Within free tier'
DNo change
💡 Hint
Compare EC2 usage with free tier limit in execution_table step 6.
Concept Snapshot
AWS Free Tier Overview:
- Sign up for AWS account to activate free tier.
- Use eligible services within monthly limits (e.g., 750 EC2 hours, 5 GB S3).
- Monitor usage to avoid charges.
- Exceeding limits leads to billing.
- Free tier lasts 12 months or until limits exceeded.
Full Transcript
AWS Free Tier lets new users try AWS services for free within set limits. After signing up, users can launch services like EC2 instances or store data in S3 up to monthly free limits. Usage is tracked to ensure it stays within free tier. If usage exceeds limits, billing starts for extra usage. Users should monitor usage to avoid unexpected charges. The free tier typically lasts 12 months from account creation.

Practice

(1/5)
1. What is the main purpose of the AWS Free Tier?
easy
A. To replace paid AWS accounts with free ones permanently
B. To provide unlimited free usage of all AWS services
C. To offer discounts on AWS services for large companies
D. To let users try AWS services without paying initially

Solution

  1. Step 1: Understand AWS Free Tier purpose

    The AWS Free Tier is designed to help new users explore AWS services without immediate cost.

  2. Step 2: Compare options with this purpose

    Only To let users try AWS services without paying initially correctly states this purpose; others describe incorrect or exaggerated features.

  3. Final Answer:

    To let users try AWS services without paying initially -> Option D

  4. Quick Check:

    AWS Free Tier = Try services free initially [OK]
Hint: Free Tier means free trial, not unlimited or permanent free [OK]
Common Mistakes:
  • Thinking Free Tier offers unlimited free usage
  • Believing Free Tier is only for big companies
  • Confusing Free Tier with permanent free accounts
2. Which of the following is a correct example of an AWS Free Tier offer?
easy
A. Unlimited storage on Amazon S3 for 6 months
B. 750 hours of Amazon EC2 t2.micro instance usage per month for 12 months
C. 1000 free Lambda invocations per day forever
D. Free Amazon RDS usage with no time limit

Solution

  1. Step 1: Recall AWS Free Tier typical offers

    A common Free Tier offer is 750 hours per month of EC2 t2.micro instance for 12 months.

  2. Step 2: Check each option against known offers

    750 hours of Amazon EC2 t2.micro instance usage per month for 12 months matches this. Options B, C, and D incorrectly state unlimited or forever free usage which is not true.

  3. Final Answer:

    750 hours of Amazon EC2 t2.micro instance usage per month for 12 months -> Option B

  4. Quick Check:

    EC2 Free Tier = 750 hours/month for 12 months [OK]
Hint: Free Tier usually limits usage by time or quantity, not unlimited [OK]
Common Mistakes:
  • Assuming Free Tier offers unlimited or forever free usage
  • Confusing daily limits with monthly limits
  • Ignoring the 12-month time limit on some offers
3. If you use 800 hours of an Amazon EC2 t2.micro instance in one month under the AWS Free Tier, what happens?
medium
A. You get a warning but no charges
B. Your instance stops automatically
C. You are charged for 50 hours of usage
D. You get unlimited free usage

Solution

  1. Step 1: Understand Free Tier usage limits

    The Free Tier allows 750 hours per month of EC2 t2.micro usage free.

  2. Step 2: Calculate excess usage charges

    Using 800 hours means 50 hours exceed the free limit, so you pay for those 50 hours.

  3. Final Answer:

    You are charged for 50 hours of usage -> Option C

  4. Quick Check:

    Usage > 750 hours = pay excess hours [OK]
Hint: Free Tier covers up to limit; extra usage costs money [OK]
Common Mistakes:
  • Thinking Free Tier stops instances automatically
  • Believing no charges occur after limit
  • Assuming unlimited free usage
4. You signed up for AWS Free Tier 13 months ago. Which statement is true about your Free Tier benefits now?
medium
A. You no longer get the 12-month Free Tier benefits
B. Your account is automatically closed
C. You get unlimited free usage on all services
D. You still get 12 months of free EC2 usage

Solution

  1. Step 1: Recall Free Tier time limits

    Most Free Tier offers last for 12 months after account creation.

  2. Step 2: Determine status after 13 months

    After 13 months, the 12-month Free Tier benefits expire, so you no longer get those free offers.

  3. Final Answer:

    You no longer get the 12-month Free Tier benefits -> Option A

  4. Quick Check:

    Free Tier 12 months expired = no more free benefits [OK]
Hint: Free Tier 12-month offers expire after 1 year [OK]
Common Mistakes:
  • Thinking Free Tier lasts forever
  • Assuming account closes automatically
  • Believing unlimited free usage continues
5. You want to use AWS Free Tier to learn about serverless computing. Which service and usage limit fits this goal best?
hard
A. Amazon Lambda with 1 million free requests per month
B. Amazon EC2 with 750 hours free per month
C. Amazon S3 with unlimited free storage
D. Amazon RDS with free multi-AZ deployments

Solution

  1. Step 1: Identify serverless computing service

    Amazon Lambda is AWS's serverless compute service.

  2. Step 2: Check Free Tier limits for Lambda

    Lambda offers 1 million free requests per month under Free Tier, ideal for learning serverless.

  3. Step 3: Compare other options

    EC2 is not serverless, S3 storage is not unlimited, and RDS multi-AZ is not free.

  4. Final Answer:

    Amazon Lambda with 1 million free requests per month -> Option A

  5. Quick Check:

    Serverless = Lambda 1M free requests [OK]
Hint: Serverless means Lambda; check its Free Tier limits [OK]
Common Mistakes:
  • Confusing EC2 with serverless
  • Assuming unlimited free storage on S3
  • Thinking RDS multi-AZ is free