- A
Create an IAM user with read-only access to the bucket and share the credentials with the auditor.
Why wrong: Credentials are long-lived and not temporary.
- B
Provide the auditor with the root user credentials of the AWS account.
Why wrong: Sharing root credentials is a severe security risk.
- C
Make the bucket publicly readable and share the bucket URL.
Why wrong: Public access is insecure and not time-limited.
- D
Generate a presigned URL for each file the auditor needs to download.
Presigned URLs are time-limited and scoped to specific objects.
Question 595 of 1,733
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.
An SAP administrator needs to provide temporary, time-limited access to an S3 bucket containing SAP backup files for an external auditor. The auditor should be able to download files from the bucket. Which method provides the most secure way to grant access?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Generate a presigned URL for each file the auditor needs to download.
Option D is correct because presigned URLs grant temporary, time-limited access to specific S3 objects without requiring the auditor to have AWS credentials or any permanent permissions. The SAP administrator can generate a presigned URL for each backup file, set an expiration time, and share the URL with the auditor, who can then download the file using standard HTTP GET requests. This approach follows the principle of least privilege and ensures access is revoked automatically after the URL expires.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Create an IAM user with read-only access to the bucket and share the credentials with the auditor.
Why it's wrong here
Credentials are long-lived and not temporary.
- ✗
Provide the auditor with the root user credentials of the AWS account.
Why it's wrong here
Sharing root credentials is a severe security risk.
- ✗
Make the bucket publicly readable and share the bucket URL.
Why it's wrong here
Public access is insecure and not time-limited.
- ✓
Generate a presigned URL for each file the auditor needs to download.
Why this is correct
Presigned URLs are time-limited and scoped to specific objects.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may choose Option A (IAM user) because it seems like a standard access control method, but they overlook the requirement for temporary, time-limited access and the security risks of sharing long-term credentials with an external party.
Detailed technical explanation
How to think about this question
Presigned URLs are generated using the AWS Signature Version 4 signing process, where the S3 service creates a URL that includes the access key ID, expiration timestamp, and a signature derived from the secret access key. The URL can be generated for GET (download), PUT (upload), or DELETE operations, and the expiration can be set from 1 second to a maximum of 7 days (12 hours for AWS Management Console-generated URLs). In real-world scenarios, presigned URLs are ideal for sharing large backup files with external auditors because they avoid the overhead of IAM user management and eliminate the risk of permanent credential leakage.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
What to study next
Got this wrong? Here's your next step.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Technology — This question tests Technology — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Generate a presigned URL for each file the auditor needs to download. — Option D is correct because presigned URLs grant temporary, time-limited access to specific S3 objects without requiring the auditor to have AWS credentials or any permanent permissions. The SAP administrator can generate a presigned URL for each backup file, set an expiration time, and share the URL with the auditor, who can then download the file using standard HTTP GET requests. This approach follows the principle of least privilege and ensures access is revoked automatically after the URL expires.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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