- A
Allow group DataScientists to inspect genai-family in compartment GenAI-Prod
Why wrong: Inspect only allows listing, not usage.
- B
Allow group DataScientists to use genai-family in compartment GenAI-Prod
Use grants permission to invoke models and use endpoints without management rights.
- C
Allow group DataScientists to read genai-family in compartment GenAI-Prod
Why wrong: Read is not a standard verb for genai-family; use is the appropriate verb.
- D
Allow group DataScientists to manage genai-family in compartment GenAI-Prod
Why wrong: Manage allows full CRUD, which is too permissive.
Question 756 of 991
1Z0-1127 OCI Generative AI Service Practice Question
This 1Z0-1127 practice question tests your understanding of oci generative ai service. 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 security administrator needs to grant a group of data scientists access to use OCI Generative AI resources (models, endpoints) in compartment 'GenAI-Prod', but not allow them to create or manage infrastructure. Which IAM policy statement should be used?
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
✓
Allow group DataScientists to use genai-family in compartment GenAI-Prod
The 'use' verb on genai-family resources allows inference and use of models/endpoints without permitting management (create/update/delete). This matches the requirement.
Key principle: ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Allow group DataScientists to inspect genai-family in compartment GenAI-Prod
Why it's wrong here
Inspect only allows listing, not usage.
- ✓
Allow group DataScientists to use genai-family in compartment GenAI-Prod
Why this is correct
Use grants permission to invoke models and use endpoints without management rights.
Related concept
Standard ACLs match source addresses.
- ✗
Allow group DataScientists to read genai-family in compartment GenAI-Prod
Why it's wrong here
Read is not a standard verb for genai-family; use is the appropriate verb.
- ✗
Allow group DataScientists to manage genai-family in compartment GenAI-Prod
Why it's wrong here
Manage allows full CRUD, which is too permissive.
Common exam traps
Common exam trap: ACLs stop at the first match
ACLs are processed top to bottom. The first matching entry wins, and an implicit deny usually exists at the end.
Detailed technical explanation
How to think about this question
ACL questions test precision: source, destination, protocol, port and direction. A generally correct ACL can still fail if it is applied on the wrong interface or in the wrong direction.
KKey Concepts to Remember
- Standard ACLs match source addresses.
- Extended ACLs can match source, destination, protocol and ports.
- The first matching ACL entry is used.
- There is usually an implicit deny at the end.
TExam Day Tips
- Check inbound versus outbound direction.
- Read the ACL from top to bottom.
- Look for a broader permit or deny above the intended line.
Key takeaway
ACLs process entries top to bottom and stop at the first match. Entry order and interface direction matter as much as the permit or deny statement.
Real-world example
How this comes up in practice
A security administrator must allow nursing staff to reach a patient records server while blocking access from the guest Wi-Fi VLAN. After applying an extended ACL, traffic is still blocked from nursing workstations. The ACL was applied outbound instead of inbound on the wrong interface. Questions like this test ACL direction and placement rules.
What to study next
Got this wrong? Here's your next step.
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 1Z0-1127 ACL questions on filtering logic and placement.
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FAQ
Questions learners often ask
What does this 1Z0-1127 question test?
OCI Generative AI Service — This question tests OCI Generative AI Service — Standard ACLs match source addresses..
What is the correct answer to this question?
The correct answer is: Allow group DataScientists to use genai-family in compartment GenAI-Prod — The 'use' verb on genai-family resources allows inference and use of models/endpoints without permitting management (create/update/delete). This matches the requirement.
What should I do if I get this 1Z0-1127 question wrong?
Review ACL processing order, placement rules (standard near destination, extended near source), and inbound vs outbound direction. Study wildcard masks and implicit deny. Then practise related 1Z0-1127 ACL questions on filtering logic and placement.
What is the key concept behind this question?
Standard ACLs match source addresses.
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Last reviewed: Jul 4, 2026
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