1Z0-1127 Using OCI Generative AI Service Practice Question
This 1Z0-1127 practice question tests your understanding of using oci generative ai service. 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.
Which THREE steps are necessary to secure access to the OCI Generative AI inference API in a production environment?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Configure network security groups to allow only trusted source IPs to the inference endpoint.
Option B is correct because network security groups (NSGs) allow you to restrict inbound traffic to the Generative AI inference endpoint to only trusted source IP addresses, reducing the attack surface. In a production environment, this is a fundamental network-layer security control to prevent unauthorized access to the API.
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.
✗
Enable encryption with OCI Vault keys for all inference data.
Why it's wrong here
Encryption protects data at rest but does not control access.
✓
Configure network security groups to allow only trusted source IPs to the inference endpoint.
Why this is correct
NSGs provide network-level security.
Related concept
Read the scenario before looking for a memorised answer.
✓
Create IAM policies that grant the 'use' verb on generative-ai-family resources.
Why this is correct
IAM policies are fundamental for authorization.
Related concept
Read the scenario before looking for a memorised answer.
✓
Use private endpoints to access the Generative AI service from a VCN.
Why this is correct
Private endpoints avoid public internet exposure.
Related concept
Read the scenario before looking for a memorised answer.
✗
Apply data masking policies to obfuscate sensitive information in prompts.
Why it's wrong here
Data masking is a post-processing step, not an access control mechanism.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Oracle often tests the distinction between network-layer controls (NSGs, private endpoints) and data-layer controls (encryption, masking), expecting candidates to recognize that securing API access requires network and IAM controls, not data protection features.
Detailed technical explanation
How to think about this question
Network security groups (NSGs) operate at the subnet level and use stateful filtering based on security rules. When you attach an NSG to a VCN subnet hosting the Generative AI endpoint, you can define ingress rules that allow traffic only from specific CIDR blocks or source IPs, effectively creating a network perimeter. This is distinct from IAM policies, which control authorization at the identity layer, and private endpoints, which provide private connectivity within a VCN.
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 network engineer segments a warehouse floor into three subnets: 20 scanners, 5 printers, and 2 management hosts. Picking the wrong mask wastes addresses or leaves too few usable hosts. Exam questions test whether you can apply CIDR notation, calculate block size, and identify the correct usable-host range for a given prefix.
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.
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 network security groups to allow only trusted source IPs to the inference endpoint. — Option B is correct because network security groups (NSGs) allow you to restrict inbound traffic to the Generative AI inference endpoint to only trusted source IP addresses, reducing the attack surface. In a production environment, this is a fundamental network-layer security control to prevent unauthorized access to the API.
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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Question Discussion
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