(Choose 1 answer)
A hub is a class that serves as a high-level pipeline that handles client-server communication. Create a SignalR for your application by adding a class named ChatHub that inherits from Microsoft.AspNetCore. SignalR.Hub
A. public class ChatHub: Hub
public async Task SendMessage(string user, string message){
await Clients.All.SendAsync("ReceiveMessage", user, message);}
}
B. public class Hub: ChatHub
{
}
public async Task SendMessage(string user, string message)
await Clients.All.SendAsync("ReceiveMessage", user, message);}
C. public class ChatHub: IHubContext
public async Task SendMessage(string user, string message)
await Clients.All.SendAsync("ReceiveMessage", user, message);}
}
D. public class ChatHub: IHub
public async Task SendMessage(string user string message)
Exit 20
