You have created a QnA Maker in Azure and created the QnA pairs. To provide the same answer to a question that is different from the original question, you enable alternate phrasing. Review the steps given below and choose two answer choices for the missing steps: Find the question using the Edit page.
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Add each new phrasing.
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Test the knowledge base.
 

Answer options:

A.Add metadata to filter the answers.
B.Accept questions suggested by active learning.
C.Retrain the knowledge base.
D.Select add alternate phrasing in the Question column.

Correct Answers: C and D
Option A is incorrect because the second step in the process is to add alternate phrasing. Metadata allows your client application to request filtered answers.
Option B is incorrect because active learning would require you to approve the suggestions for altering the knowledge base. It enhances alternative phrasing by adapting to user needs.
Option C is correct. Once you find the question, you need to add alternate phrasing in the Question column.
Option D is correct. After adding alternate phrasing to questions, you need to retrain the knowledge base.
Reference:
To learn more about alternate phrasing, use the link given below: 

https://docs.microsoft.com/en-us/azure/cognitive-services/qnamaker/how-to/edit-knowledge-base