Как работает apache?

ServerRoot "c:/Server/Apache24"
 
Listen 80
 
ServerName localhost:80
 
...тут модули и php подключаю...
 
<IfModule dir_module>
    DirectoryIndex index.html index.php
</IfModule>
 
Include conf/extra/httpd-vhosts.conf

ServerRoot "c:/Server/Apache24"
PHPIniDir "C:/Server/PHP"
Listen 80
 
 
 
LoadModule access_compat_module modules/mod_access_compat.so
LoadModule actions_module modules/mod_actions.so
LoadModule alias_module modules/mod_alias.so
LoadModule allowmethods_module modules/mod_allowmethods.so
LoadModule asis_module modules/mod_asis.so
LoadModule auth_basic_module modules/mod_auth_basic.so
LoadModule authn_core_module modules/mod_authn_core.so
LoadModule authn_file_module modules/mod_authn_file.so
LoadModule authz_core_module modules/mod_authz_core.so
LoadModule authz_groupfile_module modules/mod_authz_groupfile.so
LoadModule authz_host_module modules/mod_authz_host.so
LoadModule authz_user_module modules/mod_authz_user.so
LoadModule autoindex_module modules/mod_autoindex.so
LoadModule cgi_module modules/mod_cgi.so
LoadModule dir_module modules/mod_dir.so
LoadModule env_module modules/mod_env.so
LoadModule include_module modules/mod_include.so
LoadModule isapi_module modules/mod_isapi.so
LoadModule log_config_module modules/mod_log_config.so
LoadModule mime_module modules/mod_mime.so
LoadModule negotiation_module modules/mod_negotiation.so
LoadModule setenvif_module modules/mod_setenvif.so
LoadModule php5_module "C:/Server/PHP/php5apache2_4.dll" 
AddType application/x-httpd-php .php
 
 
 
<Directory "c:/Sites">
    Options Indexes FollowSymLinks
</Directory>
 
<IfModule dir_module>
    DirectoryIndex index.html index.php
</IfModule>
 
 
 
<VirtualHost *:80> 
    DocumentRoot "C:/Sites/localhost"
    ServerName localhost
</VirtualHost>
 
<VirtualHost *:80> 
    DocumentRoot "C:/Sites/mysite"
    ServerName mysite.net
</VirtualHost>
 
<VirtualHost *:80> 
    DocumentRoot "C:/Sites/neebet"
    ServerName neebet.net
</VirtualHost>