This document discusses SharePoint backup and restore strategies. It recommends backing up SQL databases, index files, the SSODB, IIS metabase, virtual server files, and customizations separately. For a full farm backup, it advises backing up portals including the index using SQL Server and file system, backing up the IIS metabase on each web server, and backing up virtual server files. Common tools mentioned for backup include SPSBackup, native SQL backup, STSAdm, and third party solutions. Options for restoring include restoring databases and extending/mapping as needed using SPSBackup.