πŸ”

AIF-C01 β€” questions

Page 12 of 22 Β· 422 total questions.

Topic 1 Β· Question 225

A company has developed custom computer vision models. The company needs a user-friendly interface for data labeling to minimize model mistakes on new real-world data. Which AWS service, feature, or tool meets these requirements?

  • AAmazon SageMaker Ground Truth (correct answer)
  • BAmazon SageMaker Canvas
  • CAmazon Bedrock playground
  • DAmazon Bedrock Agents
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Amazon SageMaker Ground Truth

Explanation

Amazon SageMaker builds, trains and deploys machine learning models in a fully managed service.

Topic 1 Β· Question 226 Β· Select all that apply

A company is integrating AI into its employee recruitment and hiring solution. The company wants to mitigate bias risks and ensure responsible AI practices while prioritizing equitable hiring decisions. Which core dimensions of responsible AI should the company consider? (Choose two.)

  • AFairness (correct answer)
  • BTolerance
  • CFlexibility
  • DOpen source
  • ETransparency (correct answer)
Reveal answer & explanation
Correct answer: A, E

The correct answer is A, E. Option A: Fairness Option E: Transparency.

Topic 1 Β· Question 227

A financial company has deployed an ML model to predict customer churn. The model has been running in production for 1 week. The company wants to evaluate how accurately the model predicts churn compared to actual customer behavior. Which metric meets these requirements?

  • ARoot mean squared error (RMSE)
  • BReturn on investment (ROI)
  • CF1 score (correct answer)
  • DBilingual Evaluation Understudy (BLEU) score
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: F1 score.

Topic 1 Β· Question 228

A company has a generative AI application that uses a pre-trained foundation model (FM) on Amazon Bedrock. The company wants the FM to include more context by using company information. Which solution meets these requirements MOST cost-effectively?

  • AUse Amazon Bedrock Knowledge Bases. (correct answer)
  • BChoose a different FM on Amazon Bedrock.
  • CUse Amazon Bedrock Agents.
  • DDeploy a custom model on Amazon Bedrock.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Use Amazon Bedrock Knowledge Bases.

Explanation

Amazon Bedrock provides access to foundation models through a managed API. This option delivers the requirement at the lowest cost.

Topic 1 Β· Question 230

A food service company wants to collect a dataset to predict customer food preferences. The company wants to ensure that the food preferences of all demographics are included in the data. Which dataset characteristic does this scenario present?

  • AAccuracy
  • BDiversity (correct answer)
  • CRecency bias
  • DReliability
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Diversity.

Topic 1 Β· Question 231

A company wants to create a chatbot that answers questions about human resources policies. The company is using a large language model (LLM) and has a large digital documentation base. Which technique should the company use to optimize the generated responses?

  • AUse Retrieval Augmented Generation (RAG). (correct answer)
  • BUse few-shot prompting.
  • CSet the temperature to 1.
  • DDecrease the token size.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Use Retrieval Augmented Generation (RAG).

Topic 1 Β· Question 232

An education company is building a chatbot whose target audience is teenagers. The company is training a custom large language model (LLM). The company wants the chatbot to speak in the target audience's language style by using creative spelling and shortened words. Which metric will assess the LLM's performance?

  • AF1 score
  • BBERTScore (correct answer)
  • CRecall-Oriented Understudy for Gisting Evaluation (ROUGE)
  • DBilingual Evaluation Understudy (BLEU) score
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: BERTScore.

Topic 1 Β· Question 233

A customer service team is developing an application to analyze customer feedback and automatically classify the feedback into different categories. The categories include product quality, customer service, and delivery experience. Which A1 concept does this scenario present?

  • AComputer vision
  • BNatural language processing (NLP) (correct answer)
  • CRecommendation systems
  • DFraud detection
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Natural language processing (NLP).

Topic 1 Β· Question 234

A financial services company must ensure that its generative AI-powered chatbot provides factual responses for regulatory compliance. Which solution prevents the underlying foundation model (FM) from hallucinating?

  • AUse AWS Config to query compliance metadata by using natural language.
  • BConfigure Amazon Bedrock Guardrails to evaluate user inputs and model responses. (correct answer)
  • CUse Amazon Fraud Detector to detect potentially fraudulent online activities.
  • DUse AWS Audit Manager to prepare IT audit and compliance reports.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Configure Amazon Bedrock Guardrails to evaluate user inputs and model responses.

Explanation

Amazon Bedrock provides access to foundation models through a managed API. AWS Config tracks resource configuration changes and evaluates compliance.

Topic 1 Β· Question 236

A company has created multiple ML models. The company needs a solution for storing, managing, and versioning the models. Which AWS service or feature meets these requirements?

  • AAWS Audit Manager
  • BAmazon SageMaker Model Monitor
  • CAmazon SageMaker Model Registry (correct answer)
  • DAmazon SageMaker Canvas
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Amazon SageMaker Model Registry

Explanation

Amazon SageMaker builds, trains and deploys machine learning models in a fully managed service.

Topic 1 Β· Question 237

An AI practitioner is building an ML model. The AI practitioner wants to provide model transparency and explainability to stakeholders. Which solution will meet these requirements?

  • APresent the model Shapley values. (correct answer)
  • BProvide the model accuracy measure.
  • CProvide the model confusion matrix.
  • DProvide a secure model inference endpoint.
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Present the model Shapley values.

Topic 1 Β· Question 238

A company is developing an ML application. The application must automatically group similar customers and products based on their characteristics. Which ML strategy should the company use to meet these requirements?

  • AUnsupervised learning (correct answer)
  • BSupervised learning
  • CReinforcement learning
  • DSemi-supervised learning
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Unsupervised learning.

Topic 1 Β· Question 239

A news agency publishes articles in English. The agency wants to make articles available in other languages. Which solution meets these requirements?

  • AAdd Amazon Transcribe to the company’s website.
  • BUse the Amazon Translate real-time translation feature. (correct answer)
  • CAdd Amazon Personalize to the company’s website.
  • DUse the Amazon Textract real-time document processing feature.
Reveal answer & explanation
Correct answer: B

The correct answer is B. Option B: Use the Amazon Translate real-time translation feature.

Explanation

Amazon Translate provides neural machine translation.

Topic 1 Β· Question 240

A bank is building a chatbot to answer customer questions about opening a bank account. The chatbot will use public bank documents to generate responses. The company will use Amazon Bedrock and prompt engineering to improve the chatbot’s responses. Which prompt engineering technique meets these requirements?

  • AComplexity-based prompting
  • BZero-shot prompting
  • CFew-shot prompting
  • DDirectional stimulus prompting (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Directional stimulus prompting.

Topic 1 Β· Question 241

A company wants to fine-tune an ML model that is hosted on Amazon Bedrock. The company wants to use its own sensitive data that is stored in private databases in a VPC. The data needs to stay within the company’s private network. Which solution will meet these requirements?

  • ARestrict access to Amazon Bedrock by using an AWS Identity and Access Management (IAM) service role.
  • BRestrict access to Amazon Bedrock by using an AWS Identity and Access Management (IAM) resource policy.
  • CUse AWS PrivateLink to connect the VPC and Amazon Bedrock. (correct answer)
  • DUse AWS Key Management Service (AWS KMS) keys to encrypt the data.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Use AWS PrivateLink to connect the VPC and Amazon Bedrock.

Explanation

AWS PrivateLink exposes services privately inside the VPC without internet exposure. Amazon Bedrock provides access to foundation models through a managed API.

Topic 1 Β· Question 242 Β· Select all that apply

A documentary filmmaker wants to reach more viewers. The filmmaker wants to automatically add subtitles and voice-overs in multiple languages to their films. Which combination of steps will meet these requirements? (Choose two.)

  • AUse Amazon Transcribe and Amazon Translate to generate subtitles in other languages. (correct answer)
  • BUse Amazon Textract and Amazon Translate to generate subtitles in other languages.
  • CUse Amazon Polly to generate voice-overs in other languages. (correct answer)
  • DUse Amazon Translate to generate voice-overs in other languages.
  • EUse Amazon Textract to generate voice-overs in other languages.
Reveal answer & explanation
Correct answer: A, C

The correct answer is A, C. Option A: Use Amazon Transcribe and Amazon Translate to generate subtitles in other languages. Option C: Use Amazon Polly to generate voice-overs in other languages.

Explanation

Amazon Transcribe converts speech to text. Amazon Translate provides neural machine translation. Amazon Polly turns text into lifelike speech.

Topic 1 Β· Question 243

A company wants to create a chatbot to answer employee questions about company policies. Company policies are updated frequently. The chatbot must reflect the changes in near real time. The company wants to choose a large language model (LLM). Which solution meets these requirements?

  • AFine-tune an LLM on the company policy text by using Amazon SageMaker.
  • BSelect a foundation model (FM) from Amazon Bedrock to build an application.
  • CCreate a Retrieval Augmented Generation (RAG) workflow by using Amazon Bedrock Knowledge Bases. (correct answer)
  • DUse Amazon Q Business to build a custom Q App.
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Create a Retrieval Augmented Generation (RAG) workflow by using Amazon Bedrock Knowledge Bases.

Explanation

Amazon Bedrock provides access to foundation models through a managed API. This option meets the real-time / low-latency performance requirement.

Topic 1 Β· Question 244

A company is using supervised learning to train an AI model on a small labeled dataset that is specific to a target task. Which step of the foundation model (FM) lifecycle does this describe?

  • AFine-tuning (correct answer)
  • BData selection
  • CPre-training
  • DEvaluation
Reveal answer & explanation
Correct answer: A

The correct answer is A. Option A: Fine-tuning.

Topic 1 Β· Question 246

A company is introducing a new feature for its application. The feature will refine the style of output messages. The company will fine-tune a large language model (LLM) on Amazon Bedrock to implement the feature. Which type of data does the company need to meet these requirements?

  • ASamples of only input messages
  • BSamples of only output messages
  • CSamples of pairs of input and output messages (correct answer)
  • DSeparate samples of input and output messages
Reveal answer & explanation
Correct answer: C

The correct answer is C. Option C: Samples of pairs of input and output messages.

Topic 1 Β· Question 247

A healthcare company is building an AI solution to predict patient readmission within 30 days of patient discharge. The company has trained a model on historical patient data including medical history, demographics, and treatment specifications, to provide readmission predictions in real time. Which task describes AI model inference in this scenario?

  • AGather historical patient readmission data.
  • BUse appropriate metrics and assess model performance.
  • CUse data to identify patient patterns and correlations.
  • DUse a trained model to predict patient readmission. (correct answer)
Reveal answer & explanation
Correct answer: D

The correct answer is D. Option D: Use a trained model to predict patient readmission. This option meets the real-time / low-latency performance requirement.

Showing questions 221–240 of 422 Β· Page 12 of 22