The correct answer is to use an SAP-certified EC2 instance with the existing kernel. This approach directly resolves the core issue because SAP HANA Large Instances require a specific, certified kernel that the company’s custom kernel does not meet, whereas certified EC2 instances offer broader kernel compatibility without sacrificing SAP support. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this question tests your understanding of the deployment options for SAP workloads—specifically the distinction between HANA Large Instances (bare-metal, kernel-restricted) and certified EC2 instances (virtualized, more flexible). A common trap is assuming HANA Large Instances are always the best choice for large migrations, but the exam emphasizes that custom kernels force you to pivot to EC2. Memory tip: “Custom kernel? Choose EC2, not the big iron.”
PAS-C01 Migration Practice Question
This PAS-C01 practice question tests your understanding of migration. 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.
A company is migrating a legacy SAP ERP system to AWS. The migration must be completed over a weekend to minimize business impact. The SAP application relies on a custom kernel that is not supported by the AWS SAP HANA Large Instances. What is the best approach?
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.
Clue: "minimum / minimize"
Why it matters: Asks for the least resource use — fewest addresses, smallest subnet, lowest overhead. Eliminate over-provisioned options even if they would technically work.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use an SAP-certified EC2 instance with the existing kernel
SAP on AWS supports HANA Large Instances and also certified EC2 instances. Using a certified EC2 instance avoids unsupported kernel issue. Option B is correct. Option A is wrong because HANA Large Instances are not compatible. Option C is wrong because re-platforming is more risky. Option D is wrong because SAP support is not the blocker.
Key principle: NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
✗
Migrate to SAP HANA Large Instances and update the kernel
Why it's wrong here
Kernel not supported on HANA Large Instances.
✗
Contact SAP to obtain a supported kernel version
Why it's wrong here
Kernel support is not the immediate technical solution.
✓
Use an SAP-certified EC2 instance with the existing kernel
Why this is correct
EC2 instances can run custom kernel if certified.
Clue confirmation
The clue words "best", "minimum / minimize" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
✗
Re-platform the application to use a supported kernel
Why it's wrong here
Too risky and time-consuming for a weekend.
Common exam traps
Common exam trap: NAT rules depend on direction and matching traffic
NAT is not only about the public address. The inside/outside interface roles and the ACL or rule that matches traffic are just as important.
Detailed technical explanation
How to think about this question
NAT questions usually test address translation, overload/PAT behaviour, static mappings and whether the right traffic is being translated. Read the interface direction and address terms carefully.
KKey Concepts to Remember
Static NAT maps one inside address to one outside address.
PAT allows many inside hosts to share one public address using ports.
Inside local and inside global describe the private and translated addresses.
NAT ACLs identify traffic for translation, not always security filtering.
TExam Day Tips
→Identify inside and outside interfaces first.
→Check whether the scenario needs static NAT, dynamic NAT or PAT.
→Do not confuse NAT matching ACLs with normal packet-filtering intent.
Key takeaway
NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated.
Real-world example
How this comes up in practice
A cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. NAT direction and interface roles matter as much as the IP address mapping. Inside/outside designation controls which traffic is translated. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
What to study next
Got this wrong? Here's your next step.
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PAS-C01 NAT questions on configuration and troubleshooting.
Migration — This question tests Migration — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use an SAP-certified EC2 instance with the existing kernel — SAP on AWS supports HANA Large Instances and also certified EC2 instances. Using a certified EC2 instance avoids unsupported kernel issue. Option B is correct. Option A is wrong because HANA Large Instances are not compatible. Option C is wrong because re-platforming is more risky. Option D is wrong because SAP support is not the blocker.
What should I do if I get this PAS-C01 question wrong?
Review the four NAT address types (inside local, inside global, outside local, outside global), PAT port overload, and static vs dynamic NAT use cases. Then practise related PAS-C01 NAT questions on configuration and troubleshooting.
Are there clue words in this question I should notice?
Yes — watch for: "best", "minimum / minimize". 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?
Static NAT maps one inside address to one outside address.
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