1Z0-1127-25 Deploying and Managing Generative AI on OCI Practice Question
A company needs to ensure that only authorized users can invoke an endpoint for a generative AI model. Which OCI feature should be used to control access?
⚠ Common exam trap
Watch out — candidates often confuse network-level controls (NSGs, WAF) with identity-based access control, mistakenly thinking that restricting network traffic to the endpoint is sufficient for authorization, whereas OCI requires IAM policies to authenticate and authorize the caller's identity at the API layer.
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
✓
OCI Identity and Access Management (IAM) policies
OCI Identity and Access Management (IAM) policies are the correct choice because they define who (users, groups, or service principals) can invoke which OCI resources, including generative AI model endpoints. IAM policies use resource-type and verb-based statements (e.g., 'allow group A to manage ai-service-family in compartment X') to enforce authorization at the API level, ensuring only authorized principals can call the model's inference endpoint.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Network security groups (NSGs)
Why it's wrong here
Incorrect: NSGs control network traffic but not user identity.
- ✗
VCN flow logs
Why it's wrong here
Incorrect: Flow logs are for network traffic monitoring, not access control.
- ✗
OCI Web Application Firewall (WAF)
Why it's wrong here
Incorrect: WAF protects against web application attacks, not access control.
- ✓
OCI Identity and Access Management (IAM) policies
Why this is correct
Correct: IAM policies grant or deny access to specific resources like models and endpoints.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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