Free Oracle 1Z0-1127-25 Exam Questions

Become Oracle Certified with updated 1Z0-1127-25 exam questions and correct answers

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Total 234 Questions | Updated On: Jan 12, 2026

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Question 1

: During LLM fine-tuning, what part of the model typically undergoes the most significant adjustments?

A : The input layer responsible for processing raw text data.

B : The final layers responsible for generating the desired output.

C : All layers of the LLM architecture are adjusted equally.

D : Only the pre-trained word embeddings are updated.

Answer: B

Question 2

How does the integration of a vector database into Retrieval-Augmented Generation (RAG)-based Large Language Models (LLMs) fundamentally alter their responses?

A : It transforms their architecture from a neural network to a traditional database system.

B : It shifts the basis of their responses from pretrained internal knowledge to real-time data retrieval.

C : It enables them to bypass the need for pretraining on large text corpora.

D : It limits their ability to understand and generate natural language.

Answer: B

Question 3

When is fine-tuning an appropriate method for customizing a Large Language Model (LLM)?

A : When the LLM requires access to the latest data for generating outputs

B : When the LLM already understands the topics necessary for text generation

C : When the LLM does not perform well on a task and the data for prompt engineering is too large

Answer: C

Question 4

In the context of OCI Generative AI, what is the primary function of the Retriever component in Retrieval Augmented Generation (RAG)?

A : To generate creative text formats like poems or code snippets.

B : To identify relevant passages from a large corpus of text data.

C : To fine-tune a pre-trained model for a specific task using your data.

D : To evaluate the quality and coherence of the generated text.

Answer: B

Question 5

When troubleshooting issues with a dedicated AI cluster for OCI Generative AI, where can you access logs and performance metrics for analysis?

A : The OCI Console provides a dedicated section for cluster monitoring.

B : Logs and metrics are automatically sent to an external monitoring tool.

C : You need to manually configure logging and integrate with a separate service.

D : Performance data is not available for dedicated AI clusters.

Answer: A

Page: 1 / 47

Total 234 Questions | Updated On: Jan 12, 2026

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