When the Apache HTTP Server is configured to use name-based virtual hosts:
A.
 Each virtual host can serve requests to exactly one hostname only.
B.
 It is required to create a VirtualHost block for the main host.
C.
 It’s necessary to configure a different IP address for each virtual host.
D.
 The Listen directive is required for each virtual host.
E.
 The setting NameVirtualHost *:80 indicates that all name based virtual hosts will listen on 
port 80.