- A
At least two EC2 instances in different Availability Zones per node type.
Multi-AZ provides high availability.
- B
Separate EBS volumes for /hana/data and /hana/log directories.
Separate volumes are required for performance and manageability.
- C
Use of an Elastic Load Balancer to distribute traffic to the HANA nodes.
Why wrong: HANA uses its own clustering; load balancer is not required.
- D
All nodes must use instance store volumes for the HANA data.
Why wrong: Instance store is not persistent; EBS is recommended.
- E
The cluster nodes must be within the same AWS region.
Cross-region latency is too high for synchronous replication.
Question 1,542 of 1,733
SAP HANA Multi-AZ HA Cluster Requirements on AWS
This PAS-C01 practice question tests your understanding of technology. 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.
Which THREE of the following are requirements for running SAP HANA in an AWS multi-zone HA cluster? (Choose three.)
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
✓
At least two EC2 instances in different Availability Zones per node type.
Option A is correct because SAP HANA in a multi-zone HA cluster requires at least two EC2 instances per node type (e.g., worker, standby) deployed in different Availability Zones to ensure high availability. This architecture allows automatic failover between zones, maintaining SAP HANA system replication and cluster quorum in the event of an AZ failure.
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.
- ✓
At least two EC2 instances in different Availability Zones per node type.
Why this is correct
Multi-AZ provides high availability.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Separate EBS volumes for /hana/data and /hana/log directories.
Why this is correct
Separate volumes are required for performance and manageability.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use of an Elastic Load Balancer to distribute traffic to the HANA nodes.
Why it's wrong here
HANA uses its own clustering; load balancer is not required.
- ✗
All nodes must use instance store volumes for the HANA data.
Why it's wrong here
Instance store is not persistent; EBS is recommended.
- ✓
The cluster nodes must be within the same AWS region.
Why this is correct
Cross-region latency is too high for synchronous replication.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume an Elastic Load Balancer is needed for distributing traffic to HANA nodes, but SAP HANA HA uses system replication and cluster-managed virtual IPs, not load balancers, for failover.
Detailed technical explanation
How to think about this question
SAP HANA multi-zone HA clusters use synchronous replication (SYNC mode) between primary and secondary nodes across Availability Zones, with a quorum device (e.g., AWS S3 or a third EC2 instance) to prevent split-brain scenarios. The cluster manager (Pacemaker with STONITH) ensures fencing and automatic failover, and EBS volumes must be configured with multi-attach or replicated via HANA system replication, not shared directly. In real-world deployments, using io2 Block Express volumes with multi-attach can reduce failover time, but instance stores would lose data on instance stop or failure.
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.
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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: At least two EC2 instances in different Availability Zones per node type. — Option A is correct because SAP HANA in a multi-zone HA cluster requires at least two EC2 instances per node type (e.g., worker, standby) deployed in different Availability Zones to ensure high availability. This architecture allows automatic failover between zones, maintaining SAP HANA system replication and cluster quorum in the event of an AZ failure.
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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Last reviewed: Jul 4, 2026
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