单项选择题

A.Create a single DNS SRV record that contains all servers.
B.Create a single DNS A record and configure an HTTP host header for each IIS server.
C.Create five DNS A records with the same name. Point each A record to a different IIS server and disable the round robin option.
D.Create five DNS CNAME records with the same name. Point each CNAME record to a single IIS server. Disable the netmask ordering option.