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 their SAP Business Warehouse (BW) system to AWS. They want to use Amazon S3 for BW near-line storage (NLS). They have set up an S3 bucket and configured the SAP BW NLS connection. However, when they test the connection, it fails. What is the MOST likely cause?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "most likely"
Why it matters: Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Missing AWS Storage Gateway File Gateway setup between SAP and S3
Option A is correct because SAP BW NLS requires an S3-compatible interface, and AWS Storage Gateway File Gateway provides that. Option B is wrong because KMS encryption does not prevent connection. Option C is wrong because S3 bucket names are globally unique; if they could create it, it's available. Option D is wrong because S3 supports multipart upload by default.
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.
✗
The S3 bucket is encrypted with AWS KMS and SAP cannot access it
Why it's wrong here
KMS does not block access if permissions are correct.
✗
The S3 bucket name does not match the AWS region
Why it's wrong here
Bucket names are unique per region; region mismatch would cause an error.
✗
The S3 bucket is not configured for multipart uploads
Why it's wrong here
S3 supports multipart upload by default.
✓
Missing AWS Storage Gateway File Gateway setup between SAP and S3
Why this is correct
SAP BW NLS needs a file interface like File Gateway.
Clue confirmation
The clue word "most likely" in the question point toward this answer.
Related concept
Static NAT maps one inside address to one outside address.
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 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
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: Missing AWS Storage Gateway File Gateway setup between SAP and S3 — Option A is correct because SAP BW NLS requires an S3-compatible interface, and AWS Storage Gateway File Gateway provides that. Option B is wrong because KMS encryption does not prevent connection. Option C is wrong because S3 bucket names are globally unique; if they could create it, it's available. Option D is wrong because S3 supports multipart upload by default.
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: "most likely". Probability qualifier — the question wants the most probable cause or outcome, not a guaranteed one. Eliminate low-probability options.
What is the key concept behind this question?
Static NAT maps one inside address to one outside address.
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Question Discussion
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