AWS AI Practitioner - Practice Test 3

Question 1

A retail company wants to implement a generative AI solution to create product descriptions. The request volume is very high and constant (24/7). Which Amazon Bedrock pricing model is the most cost-effective and guarantees availability?

Accepted Answer

Provisioned Throughput

Answer

Savings Plans

Answer

Spot Instances

Answer

On-Demand

Question 2

Which AWS service allows business analysts to generate machine learning predictions (such as customer propensity to buy) without writing a single line of code?

Accepted Answer

Amazon SageMaker Canvas

Answer

AWS Cloud9

Answer

Amazon Bedrock Agents

Answer

Amazon SageMaker Studio Lab

Question 3

What are TWO examples of 'Drift' that can degrade the performance of an AI model in production? (Select TWO)

Accepted Answer

Answer

Cost Drift

Answer

Data Drift

Answer

Infrastructure Drift

Answer

Concept Drift

Answer

Code Drift

Question 4

Which Prompt Engineering technique involves guiding the model to expose its reasoning step-by-step before giving the final answer?

Accepted Answer

Chain-of-Thought (CoT)

Answer

Few-shot prompting

Answer

Zero-shot prompting

Answer

Negative prompting

Question 5

A hospital wants to automatically extract diagnoses and medications from thousands of clinical notes in PDF format. Which AWS service is most specialized for this task?

Accepted Answer

Amazon Comprehend Medical

Answer

Amazon Rekognition

Answer

Amazon Transcribe Medical

Answer

Amazon HealthLake

Question 6

Which Amazon Titan family model is specifically designed to convert text into numerical vector representations for semantic search?

Accepted Answer

Amazon Titan Embeddings

Answer

Amazon Titan Text Lite

Answer

Amazon Titan Text Express

Answer

Amazon Titan Image Generator

Question 7

Which Amazon Bedrock feature automates the RAG (Retrieval-Augmented Generation) process, managing data ingestion and context retrieval?

Accepted Answer

Knowledge Bases

Answer

Provisioned Throughput

Answer

Fine-tuning

Answer

Continued Pre-training

Question 8

To comply with GDPR, a company must remove any personal data from logs generated by its AI application before storage. Which 'Guardrails for Amazon Bedrock' filter should they use?

Accepted Answer

Sensitive Information Filters

Answer

Content Filters

Answer

Topic Filters

Answer

Word Filters

Question 9

What is SageMaker JumpStart and what is its main advantage?

Accepted Answer

It is a local Integrated Development Environment (IDE).

Answer

It is a tool for manually labeling data.

Answer

It is an ML hub offering pre-trained models and ready-to-deploy solutions, accelerating project kickoff.

Answer

It is a service for managing IoT devices at the edge.

Question 10

What are TWO distinctive features of AWS Trainium chips? (Select TWO)

Accepted Answer

Answer

They offer higher performance per watt and lower cost compared to comparable standard GPU instances.

Answer

They are designed exclusively for low-latency inference workloads.

Answer

They are general-purpose processors based on x86 architecture.

Answer

They are only compatible with the TensorFlow framework.

Answer

They are specifically optimized for distributed training of deep learning models.