You are building a chatbot using the Bot Framework Composer. You want to implement a feature that allows the bot to hand off the conversation to a human agent when it cannot handle a user's request. Which service should you integrate with?

You are designing an AI solution that uses Azure Cognitive Search. You need to ensure that the search results include text that is contained within images in PDF documents. Which cognitive skill should you add to the skillset?

You deploy a custom vision model to an edge device. You need to ensure that the model is updated automatically whenever a new version is published in the Azure Custom Vision service. What should you use?

You need to create a knowledge base for QnA Maker that supports multiple languages. You plan to use the 'chitchat' personality. What is the limitation you must consider?

You are developing an application that uses the Face API to identify users. You want to ensure that the application does not store the original images used for identification. What should you store instead?

You are designing an Azure Virtual Desktop deployment. You need to ensure that user profiles are roaming and persist across sessions. Which technology is best suited for this requirement?