The document discusses effective SharePoint architecture and provides recommendations for server roles, hardware specifications, and database configuration. It recommends a farm architecture with two web front end servers, two application servers, and a SQL Server 2012 cluster with two nodes. The web front end and application servers should each have 16GB RAM, 4 CPU cores, and two hard drives. SQL servers should have 32GB RAM, 8 CPU cores, and five hard drives configured for data, tempdb, and backup files. It also provides tips for securing SharePoint such as implementing firewalls, running security analyzers, and following hardening guidance.