Create serverless applications | Enable automatic updates in a web application using Azure Functions and SignalR Service

Question 1

What is a polling-based design?

Answer 1

reporting information by fetching changes from the server based on a timer.

Question 2

What is CORS?

Answer 2

CORS is an HTTP feature that enables a web application running under one domain to access resources in another domain.

Question 3

what is SignalR?

Answer 3

SignalR is an abstraction for a series of technologies that allows your app to enjoy two-way communication between the client and server. SignalR handles connection management automatically, and lets you broadcast messages to all connected clients simultaneously, like a chat room. You can also send messages to specific clients. The connection between the client and server is persistent, unlike a classic HTTP connection, which is re-established for each communication.