The correct answer is that only the root volume is deleted, while the data volume remains intact. This occurs because the DeleteOnTermination flag on the data volume (/dev/sdf) is set to false, which explicitly instructs AWS to preserve the EBS volume even after the EC2 instance is terminated, regardless of the root volume’s setting. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding of block device mapping behavior for SAP HANA workloads, where data volumes often contain critical HANA data files that must persist independently of the instance lifecycle. A common trap is assuming that all volumes attached to an instance are automatically deleted upon termination, but the DeleteOnTermination attribute overrides that default only for volumes where it is set to true. For SAP HANA, remember that data volumes should typically have this flag set to false to prevent accidental data loss. Memory tip: “False means it stays—true means it’s through.”
PAS-C01 Technology Practice Question
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.
Network Topology
The exhibit shows the block device mapping of an EC2 instance running SAP HANA. The root volume (/dev/xvda) has DeleteOnTermination set to true, and the data volume (/dev/sdf) has DeleteOnTermination set to false. If the instance is terminated, what happens to the data volume?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Only the root volume is deleted; the data volume remains.
Option B is correct: The data volume (vol-0def456abc1237890) has DeleteOnTermination=false, so it will not be deleted when the instance is terminated. It remains in the AWS account and can be attached to another instance. Option A is wrong: Only the root volume is deleted. Option C is wrong: The data volume is not deleted. Option D is wrong: The volume is not automatically moved to S3.
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.
✗
Only the data volume is deleted; the root volume remains.
Why it's wrong here
Root volume is deleted; data volume is not.
✗
Both volumes are detached and moved to Amazon S3.
Why it's wrong here
Volumes are not moved to S3; they remain as EBS volumes.
✗
Both volumes are deleted.
Why it's wrong here
Root volume is deleted, but data volume is not.
✓
Only the root volume is deleted; the data volume remains.
Why this is correct
The data volume's DeleteOnTermination is false, so it persists.
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.
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: Only the root volume is deleted; the data volume remains. — Option B is correct: The data volume (vol-0def456abc1237890) has DeleteOnTermination=false, so it will not be deleted when the instance is terminated. It remains in the AWS account and can be attached to another instance. Option A is wrong: Only the root volume is deleted. Option C is wrong: The data volume is not deleted. Option D is wrong: The volume is not automatically moved to S3.
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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