A: Your SharePoint 2010 deployment can manifest itself as an intranet, an extranet, a public-facing Internet site, or any permutation of these. Each of these topologies has its own constraints when it comes to access for internal or external users. Luckily for us, SharePoint 2010 comes with a myriad of built-in and extensible authentication options, which will give you the tools you need to set up your intended environment and end user experience. You can also use multiple authentication mechanisms against the same web applications, giving you further flexibility with site exposure and access. When planning an authentication strategy for your SharePoint environment, review the nuances and trade-offs of the available authentication types. Pay particular attention to security, browser compatibility, and difficulty in configuration.
Authentication in SharePoint 2010 has been consolidated into two categories, Classic...