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| Section | Weight | Objectives |
|---|---|---|
| Machine Learning Fundamentals | 20% | - Supervised learning
|
| Model Development and Deployment | 30% | - Model deployment
|
| MLOps and OCI Integration | 20% | - OCI ecosystem
|
| OCI Data Science Service | 30% | - Projects and notebooks
|
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NEW QUESTION # 144
Which statement is true about origin management in Web Application Firewall (WAF)?
Answer: C
Explanation:
Detailed Answer in Step-by-Step Solution:
Objective: Determine truth about WAF origin management.
Understand WAF: Protects apps by routing traffic via origins.
Evaluate Statements:
A: Multiple origins—True; WAF supports this.
B: Single active origin—True; only one is active per policy.
Evaluate Options:
C: B only—False; A is true.
D: Both false—Incorrect.
E: Both true—Correct per OCI WAF.
F: A only—False; B is true.
Conclusion: E is correct.
OCI documentation states: “WAF allows defining multiple origins (A), but only one origin is active per WAF policy at a time (B)—both are true (E).” C, D, and F misalign—E matches OCI’s WAF origin management.
1: Oracle Cloud Infrastructure WAF Documentation, "Origin Management".
NEW QUESTION # 145
Which statement accurately describes an aspect of machine learning models?
Answer: C
Explanation:
Detailed Answer in Step-by-Step Solution:
Objective: Find a true statement about ML models.
Evaluate Options:
A: True—Data drift (changes in data distribution) degrades performance over time.
B: False—Static predictions don’t improve without retraining.
C: False—Models need updates as data changes, unlike static software.
D: False—Even high-quality models require retraining with new data.
Reasoning: A reflects the reality of data drift, a common ML challenge.
Conclusion: A is correct.
OCI documentation notes: “Model performance can degrade over time due to data drift, where the underlying data distribution changes, necessitating monitoring and retraining.” B, C, and D contradict this—static predictions don’t improve (B), models aren’t static (C), and retraining is needed (D). A is the accurate aspect.
1: Oracle Cloud Infrastructure Data Science Documentation, "Model Monitoring and Drift".
NEW QUESTION # 146
What do you use the score.py file for?
Answer: A
Explanation:
Detailed Answer in Step-by-Step Solution:
Objective: Determine the purpose of score.py in OCI Data Science model deployment.
Understand Model Deployment: When deploying a model in OCI, artifacts include score.py, runtime.yaml, etc.
Evaluate Options:
A: Infrastructure configuration (e.g., compute shape) is handled by deployment settings, not score.py.
B: score.py contains the inference logic (e.g., load_model(), predict())—correct.
C: Conda environment is defined in runtime.yaml or a requirements file—not score.py.
D: Scaling (e.g., instance count) is set in deployment configuration—not score.py.
Reasoning: score.py is the script executed by the deployment endpoint to load the model and make predictions.
Conclusion: B is the correct purpose.
The OCI Data Science documentation states: “The score.py file is a required artifact for model deployment, containing the inference logic—functions like load_model() to load the model and predict() to generate predictions from input data.” Infrastructure (A) and scaling (D) are managed via the OCI Console or SDK, while the environment (C) is specified in runtime.yaml. B is the precise role of score.py in OCI’s deployment workflow.
1: Oracle Cloud Infrastructure Data Science Documentation, "Model Deployment - score.py".
NEW QUESTION # 147
Which Oracle Cloud Service provides restricted access to target resources?
Answer: A
Explanation:
Detailed Answer in Step-by-Step Solution:
Objective: Identify the OCI service for restricted resource access.
Evaluate Options:
A: Bastion—Secure, temporary access to resources—correct.
B: Internet Gateway—Public access, not restricted.
C: Load Balancer—Distributes traffic, not access control.
D: SSL Certificate—Secures comms, not access.
Reasoning: Bastion limits access (e.g., SSH) to specific targets.
Conclusion: A is correct.
OCI documentation states: “OCI Bastion (A) provides restricted, audited access to target resources like instances, typically via SSH.” B, C, and D don’t restrict—only A fits per OCI’s security services.
1: Oracle Cloud Infrastructure Bastion Documentation, "Overview".
NEW QUESTION # 148
Which is NOT a compliance document?
Answer: A
Explanation:
Detailed Answer in Step-by-Step Solution:
Objective: Identify a non-compliance document in OCI context.
Understand Compliance Docs: Formal attestations of adherence (e.g., SOC, ISO).
Evaluate Options:
A: Certificate—Proof of compliance (e.g., ISO)—compliance doc.
B: Pen test report—Security test result, not formal compliance—correct.
C: Attestation—Statement of compliance—compliance doc.
D: Bridge letter—Links audit periods—compliance doc.
Reasoning: B is operational, not a compliance artifact.
Conclusion: B is correct.
OCI documentation lists “compliance documents like certificates (A), attestations (C), and bridge letters (D) for standards like SOC or ISO; penetration test reports (B) are security assessments, not formal compliance docs.” Only B stands apart per OCI’s compliance terminology.
1: Oracle Cloud Infrastructure Compliance Documentation, "Compliance Artifacts".
NEW QUESTION # 149
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