Your company is planning on hosting resources using Azure services. You have to decide on the right service to use for the desired requirement. Which of the following would you use for the following requirement? 
“Provide a service that be used to add artificial intelligence features to applications”

Answer options:

A.Azure Cognitive Service
B.Azure DevOps
C.Azure Bot service
D.Azure Synapse Analytics

Answer : A 
You can use the Azure Cognitive service to build applications with artificial intelligence capabilities. 
There are a number of services available in Azure Cognitive services based on the following categories Vision
Speech
Language
Decision
Search
Option B is incorrect because this is a set of tools used for implementing DevOps
Option C is incorrect because this is used to build intelligent bots within applications
Option D is incorrect because this is used to host a data warehouse
For more information on Azure Cognitive services, please visit the below URL 

https://docs.microsoft.com/en-us/azure/cognitive-services/what-are-cognitive-services