Advanced AWS Concepts

Question 1

AI Services: Lex, Polly, Transcribe, and Rekognition

Answer 1

Lex

• Powers Alexa
• Allows to build conversational chatbots

Polly

• Converts text to life-like voice
• Alexa uses that as well
• You can choose language, accent, gender.

Transcribe

• Converts speech to text
• Used for subtitles, transcripts of interviews, speeches and more.

Rekognition

• Convert images into tags/text
• Identify picture.

Question 2

Compute Services

Answer 2

• EC2 (Virtual machines in cloud)
• Lightsail (simple cloud servers)
• Lambda
• Batch (for batch computing)
• Elastic beanstalk (PaaS)
• Serverless application repository (Allows you to deploy pre-provisioned serverless applications like alexa skills)
• AWS Outposts (Way or extending compute to your own data centers or on-premises)
• EC2 Image builder (Helps build custom EC2 images)