AS a network administrator you may need guidance to plan and design and implementation your SQL infrastructure. Using guide like this will also give you best practices to reduce security issues.
The Infrastructure Planning and Design (IPD) guide for Microsoft SQL Server 2008 and SQL Server 2008 R2 helps organizations address key design decisions and confidently plan the efficient implementation of a SQL Server infrastructure. The tasks addressed in this guide help technical decision makers identify the appropriate SQL Server roles needed as well as determine the infrastructure components, server placement, and fault-tolerance configuration necessary to meet planning requirements. By using this guidance, organizations can make efficient planning and optimal design decisions for their SQL Server infrastructures.
Download the IPD Guide for Microsoft SQL Server 2008 and SQL Server 2008 R2 at http://go.microsoft.com/fwlink/?LinkId=160982