- A
Using a third-party model via OCI Marketplace
Why wrong: Marketplace models are often hosted outside your tenancy, risking data exposure.
- B
Accessing models through OCI Console only
Why wrong: The console is a UI tool and does not control where inference runs.
- C
Dedicated AI Cluster with on-demand model hosting
A dedicated cluster runs in your own tenancy, providing complete data isolation.
- D
Using the OCI GenAI API with the default endpoint
Why wrong: Default endpoints may operate on shared infrastructure where data could cross tenancy boundaries.
Question 345 of 991
1Z0-1127 Fundamentals of Large Language Models Practice Question
This 1Z0-1127 practice question tests your understanding of fundamentals of large language models. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 enterprise wants to deploy a large language model for processing sensitive internal documents. They must ensure that data does not leave their OCI tenancy. Which OCI GenAI deployment option meets this requirement?
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
✓
Dedicated AI Cluster with on-demand model hosting
Option C is correct because a Dedicated AI Cluster with on-demand model hosting provides a fully isolated, single-tenant infrastructure within your OCI tenancy. This ensures that all data processing and model inference occur on dedicated hardware that never leaves your tenancy, meeting strict data residency and security requirements for sensitive internal documents.
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.
- ✗
Using a third-party model via OCI Marketplace
Why it's wrong here
Marketplace models are often hosted outside your tenancy, risking data exposure.
- ✗
Accessing models through OCI Console only
Why it's wrong here
The console is a UI tool and does not control where inference runs.
- ✓
Dedicated AI Cluster with on-demand model hosting
Why this is correct
A dedicated cluster runs in your own tenancy, providing complete data isolation.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Using the OCI GenAI API with the default endpoint
Why it's wrong here
Default endpoints may operate on shared infrastructure where data could cross tenancy boundaries.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates confuse 'accessing models through the OCI Console' (a management plane action) with a deployment option, or assume that the default API endpoint provides tenancy isolation when it actually uses Oracle's multi-tenant infrastructure.
Detailed technical explanation
How to think about this question
A Dedicated AI Cluster in OCI GenAI is a single-tenant GPU cluster that you provision within your own Virtual Cloud Network (VCN). It supports on-demand model hosting, allowing you to deploy and serve models (including fine-tuned versions) entirely within your tenancy, with no data egress to Oracle's shared services. This architecture is critical for regulated industries like healthcare or finance, where data sovereignty and compliance with standards such as HIPAA or GDPR require that all processing stays within a defined boundary.
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 practitioner preparing for the 1Z0-1127 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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Fundamentals of Large Language Models — study guide chapter
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FAQ
Questions learners often ask
What does this 1Z0-1127 question test?
Fundamentals of Large Language Models — This question tests Fundamentals of Large Language Models — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Dedicated AI Cluster with on-demand model hosting — Option C is correct because a Dedicated AI Cluster with on-demand model hosting provides a fully isolated, single-tenant infrastructure within your OCI tenancy. This ensures that all data processing and model inference occur on dedicated hardware that never leaves your tenancy, meeting strict data residency and security requirements for sensitive internal documents.
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
This 1Z0-1127 practice question is part of Courseiva's free Oracle certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 1Z0-1127 exam.
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