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PAS-C01 Technology Practice Question

This PAS-C01 practice question tests your understanding of technology. The scenario asks you to isolate a root cause — eliminate options that address a different problem before choosing. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. 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.

During an SAP system migration to AWS, the team needs to ensure that the SAP application can automatically restart if the EC2 instance fails. Which combination of AWS services should they use?

A
AWS Elastic Beanstalk and Amazon RDS
Why wrong: Elastic Beanstalk is for simple web apps, not complex SAP systems.
B
Amazon EC2 Auto Scaling and Amazon CloudWatch
Auto Scaling replaces unhealthy instances, and CloudWatch alarms can initiate recovery actions.
C
AWS Lambda and Amazon SQS
Why wrong: Lambda requires custom code and SQS for queuing, not a direct restart mechanism.
D
Amazon Route 53 and Elastic Load Balancing
Why wrong: These services handle traffic routing, not instance recovery.

Full breakdown with real-world context →

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

✓

Amazon EC2 Auto Scaling and Amazon CloudWatch

Amazon EC2 Auto Scaling can automatically replace a failed EC2 instance by launching a new one, while Amazon CloudWatch can monitor instance health and trigger the Auto Scaling recovery process. Together, they ensure the SAP application restarts on a healthy instance without manual intervention, meeting the high-availability requirement for SAP workloads.

Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

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 Elastic Beanstalk and Amazon RDS
Why it's wrong here
Elastic Beanstalk is for simple web apps, not complex SAP systems.
✓
Amazon EC2 Auto Scaling and Amazon CloudWatch
Why this is correct
Auto Scaling replaces unhealthy instances, and CloudWatch alarms can initiate recovery actions.
Related concept
Read the scenario before looking for a memorised answer.
✗
AWS Lambda and Amazon SQS
Why it's wrong here
Lambda requires custom code and SQS for queuing, not a direct restart mechanism.
✗
Amazon Route 53 and Elastic Load Balancing
Why it's wrong here
These services handle traffic routing, not instance recovery.

Common exam traps

Common exam trap: answer the scenario, not the keyword

The trap here is that candidates often confuse Elastic Load Balancing or Route 53 for instance recovery, but they only handle traffic distribution and DNS, not automatic instance replacement or restart.

Detailed technical explanation

How to think about this question

Under the hood, Amazon CloudWatch can use a custom metric or the EC2 status check to detect instance failure, then invoke an Auto Scaling lifecycle hook or a recovery action via a CloudWatch alarm. For SAP, the instance must be configured with a proper AMI and user data to rejoin the cluster, and the Auto Scaling group should have a minimum size of 1 to ensure automatic replacement. In real-world scenarios, you would also attach an Elastic IP or use a multi-AZ setup to maintain SAP application connectivity after recovery.

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.

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

Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.

Real-world example

How this comes up in practice

An e-commerce site experiences heavy traffic on Black Friday and near-zero traffic during off-peak weeks. Rather than provisioning permanent large VMs, the team uses auto-scaling groups that add capacity automatically under load and reduce it overnight. Questions like this test whether you understand elasticity, availability zones, and cloud compute scaling patterns.

What to study next

Got this wrong? Here's your next step.

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

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FAQ

Questions learners often ask

What does this PAS-C01 question test?

Technology — This question tests Technology — Read the scenario before looking for a memorised answer..

What is the correct answer to this question?

The correct answer is: Amazon EC2 Auto Scaling and Amazon CloudWatch — Amazon EC2 Auto Scaling can automatically replace a failed EC2 instance by launching a new one, while Amazon CloudWatch can monitor instance health and trigger the Auto Scaling recovery process. Together, they ensure the SAP application restarts on a healthy instance without manual intervention, meeting the high-availability requirement for SAP workloads.

What should I do if I get this PAS-C01 question wrong?

Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.

What is the key concept behind this question?

Read the scenario before looking for a memorised answer.

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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.