The search facilities in SharePoint allow users to easily locate content stored in the various SharePoint sites as well as other external content sources such as file shares, Exchange public folders, and line-of-business (LOB) applications. Before you get started working on some of this chapter's exercises, you need to familiarize yourself with some terms as well as what search features each version of SharePoint has to offer.
So how does a SharePoint search work, exactly? The search must have a content source, which are the locations where that SharePoint looks for information when you enter search terms into the SharePoint interface. By default, one content source represents all the sites in the SharePoint environment. However, you can add more content sources so users can search content stored in other locations such as a file share, website, Exchange public folder, or business application.
For SharePoint to search any content, the content must first be indexed. A content index combines details on all the information in the content sources. When users perform searches, the index is queried for content that matches the user-entered terms. For a search to be accurate and effective, the system updates the index regularly based on a schedule that you define. A crawl is the process by which the SharePoint index is rebuilt or updated to include new information. A full update is a complete recrawl of all SharePoint content to update the index. ...
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