- A
AWS Systems Manager Maintenance Windows
Why wrong: Option A is wrong because AWS Systems Manager Maintenance Windows are primarily designed for administrative tasks like patching, and while they can be configured to run automation documents to start/stop instances, the AWS Instance Scheduler is a more straightforward and dedicated solution for scheduling instance start/stop on a recurring schedule.
- B
AWS Instance Scheduler
Instance Scheduler automates start/stop on a schedule.
- C
Amazon CloudWatch Alarms
Why wrong: Alarms can trigger actions but not complex schedules.
- D
EC2 Auto Scaling
Why wrong: Auto Scaling is for maintaining instance count, not scheduling.
Question 830 of 1,733
Schedule EC2 Start/Stop
This PAS-C01 practice question tests your understanding of operations and maintenance. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. A key principle to apply: aWS Instance Scheduler. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company runs SAP on AWS and wants to reduce costs by stopping non-production instances during off-hours. Which AWS service can automatically start and stop EC2 instances on a schedule?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
AWS Instance Scheduler
Option B is correct because AWS Instance Scheduler is a solution that automatically starts and stops instances on a defined schedule, reducing costs for non-production instances during off-hours. Option A is wrong because AWS Systems Manager Maintenance Windows are used for patching and administrative tasks, not for scheduling instance start/stop. Option C is wrong because Amazon CloudWatch Alarms can trigger actions based on metrics but lack the scheduling capability for recurring start/stop. Option D is wrong because EC2 Auto Scaling manages instance counts based on demand, not on a time-based schedule.
Key principle: AWS Instance Scheduler
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
AWS Systems Manager Maintenance Windows
Why it's wrong here
Option A is wrong because AWS Systems Manager Maintenance Windows are primarily designed for administrative tasks like patching, and while they can be configured to run automation documents to start/stop instances, the AWS Instance Scheduler is a more straightforward and dedicated solution for scheduling instance start/stop on a recurring schedule.
- ✓
AWS Instance Scheduler
Why this is correct
Instance Scheduler automates start/stop on a schedule.
Related concept
AWS Instance Scheduler
- ✗
Amazon CloudWatch Alarms
Why it's wrong here
Alarms can trigger actions but not complex schedules.
- ✗
EC2 Auto Scaling
Why it's wrong here
Auto Scaling is for maintaining instance count, not scheduling.
Common exam traps
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.
Detailed technical explanation
How to think about this question
Treat this as a scenario question. Identify the problem, the constraint, and the best action. Then compare each option against those facts.
KKey Concepts to Remember
- AWS Instance Scheduler
- AWS Systems Manager Maintenance Windows
TExam Day Tips
- 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.
Key takeaway
AWS Instance Scheduler
Real-world example
How this comes up in practice
A startup's cloud architect reviews their monthly bill and notices costs are higher than expected for a long-running batch job. Switching from on-demand instances to Reserved Instances — or using Spot/Preemptible VMs — can reduce compute costs by up to 72 %. Questions like this test whether you understand the tradeoffs between commitment, flexibility, and cost across cloud pricing models.
What to study next
Got this wrong? Here's your next step.
Review aWS Instance Scheduler, then practise related PAS-C01 questions on the same topic to reinforce the concept.
- →
Operations and Maintenance — study guide chapter
Learn the concepts, then practise the questions
- →
Operations and Maintenance practice questions
Targeted practice on this topic area only
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AWS Certified SAP on AWS Specialty PAS-C01 study guide
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PAS-C01 practice test guide
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Operations and Maintenance — This question tests Operations and Maintenance — AWS Instance Scheduler.
What is the correct answer to this question?
The correct answer is: AWS Instance Scheduler — Option B is correct because AWS Instance Scheduler is a solution that automatically starts and stops instances on a defined schedule, reducing costs for non-production instances during off-hours. Option A is wrong because AWS Systems Manager Maintenance Windows are used for patching and administrative tasks, not for scheduling instance start/stop. Option C is wrong because Amazon CloudWatch Alarms can trigger actions based on metrics but lack the scheduling capability for recurring start/stop. Option D is wrong because EC2 Auto Scaling manages instance counts based on demand, not on a time-based schedule.
What should I do if I get this PAS-C01 question wrong?
Review aWS Instance Scheduler, then practise related PAS-C01 questions on the same topic to reinforce the concept.
What is the key concept behind this question?
AWS Instance Scheduler
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Same concept, more angles
1 more ways this is tested on PAS-C01
These questions test the same concept from different angles. Work through them to make sure you can recognise it however the exam phrases it.
Variation 1. A company is running SAP on AWS and needs to reduce the cost of their development and test systems. The systems are only needed during business hours on weekdays. Which AWS service can be used to automatically stop and start the EC2 instances on a schedule?
medium- ✓ A.AWS Instance Scheduler
- B.Amazon EC2 Auto Scaling
- C.Amazon CloudWatch Alarms
- D.AWS Systems Manager Maintenance Windows
Why A: Option A is correct because AWS Instance Scheduler is a solution that automatically stops and starts instances based on a schedule. Option B is wrong because Auto Scaling is for scaling, not scheduling. Option C is wrong because CloudWatch Alarms trigger based on metrics, not time-based schedules. Option D is wrong because Systems Manager Maintenance Windows are for patching and maintenance tasks, not scheduling stop/start.
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Last reviewed: Jun 20, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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