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

A set of virtual machines optimized for AI workloads

Answer

A managed Kubernetes cluster for deploying AI models

Answer

A code library for building neural networks from scratch

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

Basic tier

Answer

Standard tier

Answer

Developer tier

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

Using an Azure Active Directory username and password in every request

Answer

Using a public RSA key embedded in the service endpoint URL

Answer

No authentication is required for Cognitive Services APIs

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 geographic region where data is stored

Answer

A billing unit for measuring API usage

Answer

A type of Azure virtual network configuration

Question 5

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

Accepted Answer

Azure AI Language

Answer

Azure AI Vision

Answer

Azure AI Search

Answer

Azure AI Bot Service

Question 6

What is the Azure AI Services 'multi-service' resource?

Accepted Answer

A single Azure resource that provides access to multiple Cognitive Services APIs under one key and endpoint

Answer

A resource that trains multiple custom ML models simultaneously

Answer

A network configuration that connects multiple Azure regions

Answer

A subscription plan that waives all API usage fees