Which three actions should you perform?

You need to enable speech capabilities for a chatbot.

Which three actions should you perform? Each correct answer presents part of the solution. NOTE: Each correct selection is worth one point.
A . Enable WebSockets for the chatbot app.
B. Create a Speech service.
C. Register a Direct Line Speech channel.
D. Register a Cortana channel.
E. Enable CORS for the chatbot app.
F. Create a Language Understanding service.

Answer: A,B,C

Explanation:

You can use the Speech service to voice-enable a chat bot.

The Direct Line Speech channel uses the text-to-speech service, which has neural and standard voices.

You’ll need to make a small configuration change so that your bot can communicate with the Direct Line Speech channel using web sockets.

Reference: https://docs.microsoft.com/en-us/azure/cognitive-services/speech-service/tutorial-voice-enable-your-bot-speech-sdk