The answer is to use Amazon Route 53 with a weighted record that points to the primary and standby instances, and use health checks to automatically fail over. This solution is correct because it leverages DNS-based routing to abstract the database hostname, so when the standby HANA instance takes over after a failover, the health check detects the primary as unhealthy and automatically updates the DNS resolution to point to the standby, ensuring SAP application connectivity without manual intervention. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding of integrating AWS managed DNS services with SAP high availability architectures, often appearing as a trap where candidates mistakenly choose to reconfigure the application servers or use an Application Load Balancer for database traffic. A key memory tip is to think of Route 53 as the “traffic cop” for database hostnames—health checks are the eyes that trigger the switch, keeping your SAP S/4HANA applications connected seamlessly.
PAS-C01 Operations and Maintenance Practice Question
This PAS-C01 practice question tests your understanding of operations and maintenance. 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.
Your organization runs SAP S/4HANA on AWS. The system is critical and must have high availability. The architecture includes two SAP application servers behind an Application Load Balancer, and the HANA database uses replication to a standby in another Availability Zone. During a recent test of a failure scenario, you noticed that when the standby HANA instance takes over, the application servers cannot connect because the database hostname changes. What is the best solution to ensure application servers can connect to the database without manual intervention after a failover?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "best"
Why it matters: Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use Amazon Route 53 with a weighted record that points to the primary and standby instances, and use health checks to automatically fail over
Using an internal Route 53 record with a health check that points to the active database instance allows automatic DNS update on failover. Option C is correct.
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.
✗
Configure the application servers with both database IP addresses and retry logic
Why it's wrong here
Hardcoding IPs is brittle and not scalable; retry logic may cause delays.
✓
Use Amazon Route 53 with a weighted record that points to the primary and standby instances, and use health checks to automatically fail over
Why this is correct
Route 53 health checks can detect primary failure and route to the standby.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
✗
Place the database behind a Network Load Balancer
Why it's wrong here
NLB does not support automatic failover between active and passive database instances without additional configuration.
✗
Update the application server configuration to use the standby hostname as a fallback
Why it's wrong here
This still requires manual update or complex scripting.
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.
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: Use Amazon Route 53 with a weighted record that points to the primary and standby instances, and use health checks to automatically fail over — Using an internal Route 53 record with a health check that points to the active database instance allows automatic DNS update on failover. Option C is correct.
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.
Are there clue words in this question I should notice?
Yes — watch for: "best". Signals that multiple options may be partially correct. Choose the option that most directly solves the exact problem described, not the one that sounds most complete.
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 →
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 runs SAP S/4HANA in a multi-AZ deployment with a primary and standby database. During a planned failover test, the database fails over but the SAP system becomes unresponsive. Investigation reveals that the SAP application servers cannot connect to the new primary database because the database VIP is not updated. What is the most likely cause?
hard
A.The HANA instance number changed after failover.
B.The DNS record for the HANA host still points to the old primary IP address.
C.The HANA hostname in the SAP profile is set to the physical instance hostname instead of the VIP.
✓ D.The HANA database VIP is not configured to move to the new primary instance during failover.
Why D: Option A is correct because in a typical SAP HANA multi-AZ setup, a virtual IP address (VIP) is used for application connectivity. If the VIP is not moved to the new primary, applications will try to connect to the old primary. Option B is wrong because DNS changes are not typically used for HANA failover. Option C is wrong because the HANA hostname usually remains constant via VIP. Option D is wrong because the HANA instance number does not change during failover.
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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.
Question Discussion
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