The correct approach is to use AWS Backup with pre-scripts and post-scripts to quiesce SAP HANA, ensuring consistent snapshots. This method works because the pre-script places the SAP HANA database into backup mode, freezing writes and flushing caches, while the post-script releases it after the snapshot completes, guaranteeing crash-consistent data on the EBS volume. On the AWS Certified SAP on AWS Specialty PAS-C01 exam, this scenario tests your understanding of application-consistent backups versus simple filesystem snapshots, a common trap being that freezing the filesystem alone (Option A) lacks database awareness and can still lead to corruption. A frequent distractor is assuming stopping the instance is required, but that introduces unnecessary downtime. Remember the mnemonic: “Pre-freeze, post-release, snapshot in peace” to recall that scripts orchestrate quiescing before the snapshot and resuming afterward.
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.
A company is running SAP HANA on an EC2 instance with an EBS volume for data storage. The company wants to take daily snapshots of the EBS volume for backup. However, they are concerned about data consistency because the database is running. What should they do to ensure consistent snapshots?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Use AWS Backup with pre-scripts and post-scripts to quiesce SAP HANA.
Option B is correct: Using AWS Backup with application-consistent snapshots ensures data consistency by coordinating with the OS and database. Option A is wrong because simply freezing the filesystem is not sufficient without application awareness. Option C is wrong because taking snapshot while database is running may result in inconsistent state. Option D is wrong because stopping the instance causes downtime.
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.
✗
Freeze the filesystem using fsfreeze before taking the snapshot.
Why it's wrong here
Freezing filesystem alone may not ensure HANA consistency.
✗
Stop the EC2 instance before taking the snapshot.
Why it's wrong here
Stopping causes downtime.
✓
Use AWS Backup with pre-scripts and post-scripts to quiesce SAP HANA.
Why this is correct
AWS Backup can run scripts to ensure application consistency.
Related concept
Static NAT maps one inside address to one outside address.
✗
Take the snapshot while the database is running without any preparation.
Why it's wrong here
This may result in inconsistent data.
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 Backup with pre-scripts and post-scripts to quiesce SAP HANA. — Option B is correct: Using AWS Backup with application-consistent snapshots ensures data consistency by coordinating with the OS and database. Option A is wrong because simply freezing the filesystem is not sufficient without application awareness. Option C is wrong because taking snapshot while database is running may result in inconsistent state. Option D is wrong because stopping the instance causes downtime.
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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