Questions

Let's answer the following questions to practice what we have learned in this chapter:

1. In the Configure method in the Startup class, what is wrong with the following?

   public void Configure(...)
   {
     ... 
     
     app.UseEndpoints(...);
     app.UseAuthentication();
   }

2. What attribute can be added to a protected action method to allow unauthenticated users to access it?
3. We are building an app with an ASP.NET backend and using an identity provider to authenticate users. The default audience has been set to http://my-app in the identity provider, and we have configured the authentication service in our ASP.NET backend as follows:

   services.AddAuthentication(options =>
   {
       options.DefaultAuthenticateScheme = 
         JwtBearerDefaults.AuthenticationScheme;
       options.DefaultChallengeScheme = 
         JwtBearerDefaults.AuthenticationScheme...