A security analyst is reviewing a new Internet portal that will be used for corporate...

Obtaining home public IP addresses of corporate employees to implement source IP restrictions and requiring a username and password

Requiring the internet portal to be accessible from only the corporate SSO internet endpoint and requiring a smart card and PIN

Moving the internet portal server to a DMZ that is only accessible from the corporate VPN and requiring a username and password

Distributing a shared password that must be provided before the internet portal loads and requiring a username and password