Quick Answer
The answer is Amazon RDS Multi-AZ deployment, because it provides automatic synchronous replication and failover for the SAP ASCS database across two Availability Zones, ensuring high availability without manual intervention. This is critical because the ASCS instance is stateful and requires a persistent database backend; a Multi-AZ configuration handles database-level failover transparently, maintaining the enqueue and message server data. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your ability to distinguish between infrastructure-level high availability (Multi-AZ) and scaling or routing services—a common trap is confusing EC2 Auto Scaling (which handles compute load, not stateful failover) or Route 53 routing policies (which manage traffic, not instance health) with true database HA. Remember the mnemonic: “ASCS needs a DB failover buddy, so Multi-AZ is ready and steady.”
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 an SAP system to AWS and needs to ensure high availability for the SAP Central Services (ASCS) instance. Which AWS service is best suited for this?
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.
Amazon RDS Multi-AZ deployment
Provides automatic failover for the ASCS database with a standby replica.
EC2 Auto Scaling group
Why wrong: Auto Scaling is for stateless applications, not recommended for stateful SAP ASCS.
Amazon Route 53 weighted routing policy
Why wrong: Distributes traffic but does not provide instance failover.
Amazon S3 cross-region replication
Why wrong: S3 is object storage, not applicable for ASCS high availability.
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 RDS Multi-AZ deployment
Option A is correct because a Multi-AZ deployment of Amazon RDS provides automatic failover for the ASCS database. Option B (EC2 Auto Scaling) is for horizontal scaling, not for stateful services. Option C (Amazon Route 53 routing policy) can redirect traffic but doesn't ensure instance availability. Option D (Amazon S3) is for storage, not high-availability failover.
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.
Amazon RDS Multi-AZ deployment
Why this is correct
Provides automatic failover for the ASCS database with a standby replica.
Clue confirmation
The clue word "best" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
EC2 Auto Scaling group
Why it's wrong here
Auto Scaling is for stateless applications, not recommended for stateful SAP ASCS.
Amazon Route 53 weighted routing policy
Why it's wrong here
Distributes traffic but does not provide instance failover.
Amazon S3 cross-region replication
Why it's wrong here
S3 is object storage, not applicable for ASCS high availability.
Common exam traps
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
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.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
What to study next
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 — study guide chapter
Learn the concepts, then practise the questions
Operations and Maintenance practice questions
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FAQ
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
The correct answer is: Amazon RDS Multi-AZ deployment — Option A is correct because a Multi-AZ deployment of Amazon RDS provides automatic failover for the ASCS database. Option B (EC2 Auto Scaling) is for horizontal scaling, not for stateful services. Option C (Amazon Route 53 routing policy) can redirect traffic but doesn't ensure instance availability. Option D (Amazon S3) is for storage, not high-availability failover.
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.
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.
Read the scenario before looking for a memorised answer.
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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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