- A
Upload the data to the dedicated cluster's local storage.
Why wrong: Dedicated clusters do not have persistent local storage for training data.
- B
Use OCI Data Flow to transfer data.
Why wrong: Data Flow is for data processing, not for providing access to Object Storage.
- C
Configure a resource principal for the cluster to read the bucket.
A service principal grants the cluster permissions to access resources like Object Storage.
- D
Create a pre-authenticated request for the bucket.
Why wrong: Pre-authenticated requests provide temporary access but are not recommended for automated jobs.
Question 475 of 991
1Z0-1127 Using OCI Generative AI Service Practice Question
This 1Z0-1127 practice question tests your understanding of using 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 company is fine-tuning a Llama model on OCI with dedicated AI cluster. They want to use their own training data stored in Oracle Object Storage. What must they do to ensure the fine-tuning job can access the data?
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
✓
Configure a resource principal for the cluster to read the bucket.
Option C is correct because OCI Generative AI dedicated AI clusters require a resource principal (an IAM principal) to authenticate and authorize access to data stored in Oracle Object Storage. By configuring the cluster with a resource principal that has read permissions on the bucket, the fine-tuning job can securely read the training data without exposing credentials or using public URLs.
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.
- ✗
Upload the data to the dedicated cluster's local storage.
Why it's wrong here
Dedicated clusters do not have persistent local storage for training data.
- ✗
Use OCI Data Flow to transfer data.
Why it's wrong here
Data Flow is for data processing, not for providing access to Object Storage.
- ✓
Configure a resource principal for the cluster to read the bucket.
Why this is correct
A service principal grants the cluster permissions to access resources like Object Storage.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Create a pre-authenticated request for the bucket.
Why it's wrong here
Pre-authenticated requests provide temporary access but are not recommended for automated jobs.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse OCI pre-authenticated requests (PARs) with secure IAM-based access, not realizing that PARs are designed for temporary, user-facing sharing and lack the auditability and policy control required for automated ML workloads on OCI.
Detailed technical explanation
How to think about this question
Under the hood, the service principal is an IAM resource principal that the dedicated AI cluster assumes to make signed API calls to Object Storage. This uses OCI's Signature Version 1 authentication, where the cluster's identity is verified via the resource principal's OCID and tenancy. In a real-world scenario, if the bucket is in a different compartment, you must also ensure the service principal has the necessary IAM policies (e.g., 'allow resource principal to read objects in compartment X') to avoid 403 errors.
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 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
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FAQ
Questions learners often ask
What does this 1Z0-1127 question test?
Using OCI Generative AI Service — This question tests Using OCI Generative AI Service — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Configure a resource principal for the cluster to read the bucket. — Option C is correct because OCI Generative AI dedicated AI clusters require a resource principal (an IAM principal) to authenticate and authorize access to data stored in Oracle Object Storage. By configuring the cluster with a resource principal that has read permissions on the bucket, the fine-tuning job can securely read the training data without exposing credentials or using public URLs.
What should I do if I get this 1Z0-1127 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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