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Answer: B. QnA Maker, C. Azure Bot Service
The correct answers are B. QnA Maker and C. Azure Bot Service. QnA Maker is used to create a knowledge base of predefined question-and-answer pairs. Azure Bot Service enables you to develop and deploy chatbots with ease, allowing them to interact with users across multiple communication channels. Together, these services help reduce the workload on telephone operators by automating responses to common inquiries.
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