Quick Answer
The answer is Amazon Route 53, which is the correct service to manage the virtual IP for SAP Central Services (ASCS/ERS) cluster failover across Availability Zones. Route 53 achieves this through DNS-based failover, where health checks monitor the active node and automatically update the DNS record to point to the healthy node’s private IP address, allowing clients to connect via a virtual hostname without needing a floating IP. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your understanding that AWS does not support traditional floating IPs across AZs, so Route 53’s DNS failover is the recommended alternative—a common trap is assuming Elastic IPs or Network Load Balancers can serve as a virtual IP for SAP clustering. Remember the memory tip: “No floating IP in the cloud, Route 53’s DNS is what’s allowed.”
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. 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. The system requires high availability across two Availability Zones. Which AWS service should be used to manage the virtual IP address for the SAP Central Services (ASCS/ERS) cluster?
Elastic IP address
Why wrong: EIP cannot be moved across AZs automatically for failover.
Network Load Balancer
Why wrong: NLB is for load balancing, not VIP for cluster heartbeat.
AWS Global Accelerator
Why wrong: Global Accelerator provides static IPs but not used for SAP ASCS VIP management.
Amazon Route 53
Route 53 with failover routing and health checks can manage VIP for SAP clusters.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Amazon Route 53
Amazon Route 53 is used to manage the virtual IP address for the SAP Central Services (ASCS/ERS) cluster by leveraging DNS-based failover. In a multi-AZ SAP cluster, Route 53 health checks monitor the active node and automatically update the DNS record to point to the healthy node's IP address, enabling clients to connect to the virtual hostname without relying on a floating IP. This approach is recommended by AWS for SAP deployments because it avoids the need for a shared IP across Availability Zones, which is not natively supported in AWS.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Elastic IP address
Why it's wrong here
EIP cannot be moved across AZs automatically for failover.
Network Load Balancer
Why it's wrong here
NLB is for load balancing, not VIP for cluster heartbeat.
AWS Global Accelerator
Why it's wrong here
Global Accelerator provides static IPs but not used for SAP ASCS VIP management.
Amazon Route 53
Why this is correct
Route 53 with failover routing and health checks can manage VIP for SAP clusters.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
The trap here is that candidates often confuse the need for a virtual IP with a load balancer (NLB) or a static IP (Elastic IP), but AWS does not support floating IPs across Availability Zones, so Route 53's DNS-based failover is the correct and recommended service for managing the SAP ASCS/ERS virtual IP in a multi-AZ cluster.
Detailed technical explanation
Under the hood, Route 53 uses DNS TTL (Time to Live) values, typically set to 60 seconds or lower, to control how quickly clients re-resolve the virtual hostname after a failover. The SAP cluster's pacemaker or similar cluster manager triggers a health check endpoint that Route 53 monitors; when the active node fails, Route 53 updates the DNS record to the standby node's IP, and clients must wait for DNS propagation and TTL expiry to reconnect. In real-world scenarios, this DNS-based approach introduces a failover latency of up to a few minutes, which is acceptable for SAP ASCS/ERS as the services are stateless and sessions can be re-established, but it requires careful tuning of TTL and health check intervals to minimize downtime.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Design of SAP Workloads on AWS — study guide chapter
Learn the concepts, then practise the questions
Design of SAP Workloads on AWS practice questions
Targeted practice on this topic area only
All PAS-C01 questions
1,733 questions across all exam domains
AWS Certified SAP on AWS Specialty PAS-C01 study guide
Full concept coverage aligned to exam objectives
PAS-C01 practice test guide
How to use practice tests most effectively before exam day
Related practice questions
Use these pages to review the topic behind this question. This is how one missed question becomes focused revision.
Practise PAS-C01 questions linked to Design of SAP Workloads on AWS.
Practise PAS-C01 questions linked to Technology.
Practise PAS-C01 questions linked to Migration.
Practise PAS-C01 questions linked to Operations and Maintenance.
Practise PAS-C01 questions linked to PAS-C01 fundamentals.
Practise PAS-C01 questions linked to PAS-C01 scenario.
Practise PAS-C01 questions linked to PAS-C01 troubleshooting.
Practice this exam
Short sessions build daily habit. Longer sessions build exam-day stamina. Try a timed session to simulate real conditions.
FAQ
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
The correct answer is: Amazon Route 53 — Amazon Route 53 is used to manage the virtual IP address for the SAP Central Services (ASCS/ERS) cluster by leveraging DNS-based failover. In a multi-AZ SAP cluster, Route 53 health checks monitor the active node and automatically update the DNS record to point to the healthy node's IP address, enabling clients to connect to the virtual hostname without relying on a floating IP. This approach is recommended by AWS for SAP deployments because it avoids the need for a shared IP across Availability Zones, which is not natively supported in AWS.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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
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. An SAP NetWeaver system on AWS needs to be highly available across two Availability Zones. Which AWS service should be used to manage the floating IP address used by the SAP application servers?
mediumWhy D: Amazon Route 53 with failover routing is the correct choice because it can manage a floating IP address by using DNS health checks to automatically route traffic to the healthy SAP application server in the active Availability Zone. When the primary server fails, Route 53 updates DNS resolution to point to the secondary server's IP, effectively providing a floating IP mechanism without requiring a static IP reassignment.
Keep practising
Last reviewed: Jun 24, 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.
Question Discussion
Share a tip, memory trick, or ask about the reasoning behind this question. Do not post real exam questions, leaked content, braindumps, or copyrighted exam material. Comments are moderated and may be removed without notice.
Sign in to join the discussion.