Microsoft Azure AI Fundamentals Azure Cognitive Services

Question 1

What are Azure Cognitive Services (now Azure AI Services)?

Accepted Answer

Pre-built AI APIs and models accessible via REST endpoints without requiring ML expertise

Answer

Azure Cognitive Services (rebranded as Azure AI Services) are pre-built AI capabilities exposed as REST APIs that developers can consume without deep machine learning knowledge.

Question 2

Which pricing tier for Azure Cognitive Services allows you to use the APIs for free within monthly usage limits?

Accepted Answer

Free (F0) tier

Answer

The Free (F0) tier of Azure Cognitive Services provides limited API calls per minute and per month at no cost, suitable for development and testing.

Question 3

How do you authenticate API calls to Azure Cognitive Services?

Accepted Answer

Using a subscription key (API key) passed in the request header

Answer

Azure Cognitive Services authenticate API calls using a subscription key passed in the Ocp-Apim-Subscription-Key header, or via an Azure AD token.

Question 4

What is an Azure Cognitive Services 'endpoint'?

Accepted Answer

The unique URL used to send API requests to a provisioned Cognitive Services resource

Answer

The endpoint is the base URL unique to your Cognitive Services resource, used to route API requests to the correct service instance.

Question 5

Which category of Azure AI Services focuses on understanding and processing human language?

Accepted Answer

Azure AI Language

Answer

Azure AI Language (part of Azure AI Services) provides NLP capabilities including sentiment analysis, NER, key phrase extraction, and conversational language understanding.

Microsoft Azure AI Fundamentals Practice Test

Microsoft Azure AI Fundamentals Practice Test

Microsoft Azure AI Fundamentals Azure Cognitive Services