This PAS-C01 practice question tests your understanding of technology. 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 planning a migration of their SAP ERP system to AWS. They want to use SAP HANA as the database. The current on-premises database size is 2 TB. The migration must have minimal downtime. Which combination of AWS services and methods should be used to achieve a near-zero downtime migration?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS DMS with a SAP HANA source and target, configuring ongoing replication to minimize downtime
Option D is correct because AWS DMS with HANA as target supports minimal downtime using ongoing replication. Option A is incorrect because HSR requires a compatible HANA version setup. Option B is incorrect because DMS cannot replicate from HANA to HANA directly without a source HANA. Option C is incorrect because AWS Backup cannot replicate data in near-real-time.
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.
✓
Use AWS DMS with a SAP HANA source and target, configuring ongoing replication to minimize downtime
Why this is correct
DMS supports ongoing replication to keep data in sync with minimal downtime.
Related concept
Static NAT maps one inside address to one outside address.
✗
Use AWS Database Migration Service (DMS) with an SAP HANA source and S3 as target
Why it's wrong here
DMS cannot directly replicate to S3 as a target for HANA.
✗
Use SAP HANA System Replication (HSR) to replicate data to an EC2 instance in AWS
Why it's wrong here
HSR requires HANA setup on both sides and can be complex for migration.
✗
Use AWS Backup to perform a continuous backup of the on-premises HANA database and restore to AWS
Why it's wrong here
Backups are not real-time and involve downtime.
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.
Technology — This question tests Technology — Static NAT maps one inside address to one outside address..
What is the correct answer to this question?
The correct answer is: Use AWS DMS with a SAP HANA source and target, configuring ongoing replication to minimize downtime — Option D is correct because AWS DMS with HANA as target supports minimal downtime using ongoing replication. Option A is incorrect because HSR requires a compatible HANA version setup. Option B is incorrect because DMS cannot replicate from HANA to HANA directly without a source HANA. Option C is incorrect because AWS Backup cannot replicate data in near-real-time.
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.
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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