- A
Use an Elastic IP address and reassign it during failover using a script.
Why wrong: Elastic IP reassignment across AZs is possible but not automatic and requires manual intervention.
- B
Configure Amazon Route 53 with failover routing and health checks for the virtual IP.
Route 53 failover routing can direct traffic to the healthy instance, but for virtual IP, a Network Load Balancer is typically used. However, Route 53 with a CNAME or alias can work if the application supports DNS failover.
- C
Deploy an Application Load Balancer to route traffic to the active instance.
Why wrong: ALB does not provide a static IP address and is not suitable for SAP's virtual IP requirements.
- D
Set up a Classic Load Balancer with cross-zone load balancing enabled.
Why wrong: Classic Load Balancer is not recommended for new deployments and does not support static IP.
Quick Answer
The correct answer is to use Amazon Route 53 with failover routing and health checks to manage the SAP ASCS/ERS virtual IP failover. This works because Route 53 DNS-based failover can redirect traffic to the healthy EC2 instance in the secondary Availability Zone when the primary ASCS instance fails, effectively providing a virtual IP address that clients resolve to the active node. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding that AWS does not support floating virtual IPs across Availability Zones; instead, you must rely on DNS or a Network Load Balancer (NLB) with a static IP for the ASCS/ERS cluster. A common trap is assuming Elastic IPs can be moved automatically between AZs, but they are tied to a single AZ and require manual intervention. Remember the memory tip: “Route 53 routes, but Elastic IPs are stuck in their zone.”
PAS-C01 Operations and Maintenance Practice Question
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. 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.
A company is migrating its SAP ERP system to AWS and needs to ensure high availability for the SAP Central Services (ASCS) and Enqueue Replication Server (ERS). They plan to use two EC2 instances in different Availability Zones with a shared file system. Which AWS service should they use to manage the failover of the virtual IP address?
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
Configure Amazon Route 53 with failover routing and health checks for the virtual IP.
Option C is correct because AWS offers a managed solution for SAP HANA and SAP NetWeaver using Route 53 health checks and failover routing, but for virtual IP, the recommended approach is to use Amazon Route 53 with failover routing or an Elastic IP reassignment. However, for ASCS/ERS, the standard is to use a Network Load Balancer (NLB) with a static IP. Option A is wrong because EC2 does not allow moving Elastic IPs across AZs automatically. Option B is wrong because Application Load Balancer does not support static IP. Option D is wrong because Classic Load Balancer is deprecated and not recommended.
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.
- ✗
Use an Elastic IP address and reassign it during failover using a script.
Why it's wrong here
Elastic IP reassignment across AZs is possible but not automatic and requires manual intervention.
- ✓
Configure Amazon Route 53 with failover routing and health checks for the virtual IP.
Why this is correct
Route 53 failover routing can direct traffic to the healthy instance, but for virtual IP, a Network Load Balancer is typically used. However, Route 53 with a CNAME or alias can work if the application supports DNS failover.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Deploy an Application Load Balancer to route traffic to the active instance.
Why it's wrong here
ALB does not provide a static IP address and is not suitable for SAP's virtual IP requirements.
- ✗
Set up a Classic Load Balancer with cross-zone load balancing enabled.
Why it's wrong here
Classic Load Balancer is not recommended for new deployments and does not support static IP.
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
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.
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 PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
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Operations and Maintenance — study guide chapter
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Operations and Maintenance practice questions
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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 — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure Amazon Route 53 with failover routing and health checks for the virtual IP. — Option C is correct because AWS offers a managed solution for SAP HANA and SAP NetWeaver using Route 53 health checks and failover routing, but for virtual IP, the recommended approach is to use Amazon Route 53 with failover routing or an Elastic IP reassignment. However, for ASCS/ERS, the standard is to use a Network Load Balancer (NLB) with a static IP. Option A is wrong because EC2 does not allow moving Elastic IPs across AZs automatically. Option B is wrong because Application Load Balancer does not support static IP. Option D is wrong because Classic Load Balancer is deprecated and not recommended.
What should I do if I get this PAS-C01 question wrong?
Identify which PAS-C01 exam domain this question belongs to, then review the specific concept being tested. Practise related questions in that domain and focus on understanding why each wrong answer is tempting — not just why the correct answer is right.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
Courseiva creates original exam-style practice questions with explanations and wrong-answer analysis. It does not publish real exam questions, exam dumps, or protected exam content. Learn why practice questions differ from exam dumps →
Same concept, more angles
2 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 ensure high availability for their SAP Central Services (ASCS) instance. They plan to use a multi-AZ deployment with a floating IP. Which AWS service should they use to manage the floating IP and failover?
easy- A.Elastic Load Balancer
- ✓ B.Amazon Route 53
- C.AWS Global Accelerator
- D.Amazon CloudFront
Why B: Option B is correct because Amazon Route 53 can be used to associate a DNS name with a health check and failover to a secondary IP in another AZ. Option A is wrong because Elastic Load Balancer (ELB) is for distributing traffic, not for floating IPs. Option C is wrong because AWS Global Accelerator improves performance, not floating IP failover. Option D is wrong because Amazon CloudFront is a CDN.
Variation 2. A company is running SAP on AWS and wants to ensure high availability for the SAP Central Services (ASCS) instance. They have set up a cluster using Amazon Route 53 with health checks. During a failover test, the ASCS instance fails but the DNS record does not update immediately. What is the most likely cause?
hard- ✓ A.The TTL on the DNS record is set too high
- B.The health check is not configured to check the ASCS service port
- C.The Route 53 record is using simple routing instead of failover
- D.The Route 53 record set is not updatable
Why A: Option C is correct because the TTL (Time to Live) on the Route 53 record determines how long clients cache the DNS response. A high TTL delays failover. Option A is wrong because health checks are separate from TTL. Option B is wrong because the failover routing policy works with health checks. Option D is wrong because Route 53 record sets can be updated.
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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