AWS Data Analytics & Machine Learning 3 — Questions and Answers
Question 1: Which AWS AI service automatically extracts text, handwriting, and data from scanned documents?
- Amazon Textract (Correct answer)
- Amazon Rekognition
- Amazon Transcribe
- Amazon Translate
Correct answer: Amazon Textract
Amazon Textract uses ML to extract text, handwriting, and structured data from documents.
Question 2: Which service provides natural language processing to find insights and relationships such as sentiment and entities in text?
- Amazon Comprehend (Correct answer)
- Amazon Polly
- Amazon Lex
- Amazon Kendra
Correct answer: Amazon Comprehend
Amazon Comprehend is the managed NLP service for sentiment analysis, entity recognition, and key phrase extraction.
Question 3: Which AWS service converts text into lifelike speech?
- Amazon Polly (Correct answer)
- Amazon Transcribe
- Amazon Comprehend
- Amazon Rekognition
Correct answer: Amazon Polly
Amazon Polly is the text-to-speech service that generates lifelike audio from text.
Question 4: A developer wants to add image and video analysis, including object and face detection, to an app. Which service should they use?
- Amazon Rekognition (Correct answer)
- Amazon Textract
- Amazon Polly
- Amazon Forecast
Correct answer: Amazon Rekognition
Amazon Rekognition provides image and video analysis such as object, scene, and face detection.
Question 5: Which service delivers streaming data to destinations like S3, Redshift, or OpenSearch with no administration?
- Amazon Kinesis Data Firehose (Correct answer)
- Amazon Kinesis Data Streams
- AWS DataSync
- Amazon MQ
Correct answer: Amazon Kinesis Data Firehose
Kinesis Data Firehose is the fully managed service for loading streaming data into stores like S3, Redshift, and OpenSearch.
Question 6: Which managed service uses ML to deliver accurate time-series forecasts, such as product demand?
- Amazon Forecast (Correct answer)
- Amazon Personalize
- Amazon Lookout for Metrics
- Amazon Comprehend
Correct answer: Amazon Forecast
Amazon Forecast applies machine learning to time-series data to produce demand and other forecasts.
Question 7: Which service helps build real-time personalized recommendations like those used by Amazon.com?
- Amazon Personalize (Correct answer)
- Amazon Kendra
- Amazon Macie
- Amazon Rekognition
Correct answer: Amazon Personalize
Amazon Personalize lets developers add real-time recommendation systems based on the same technology as Amazon.com.
Which AWS AI service automatically extracts text, handwriting, and data from scanned documents?