SharePoint Portal Server is a portal server used to connect people, teams, and spread knowledge across different business processes. A Portal Server integrates information from multiple systems into one main secure solution by using a single sign-in and leveraging enterprise application integration capabilities. It provides highly flexible deployment and management tools, facilitates end-to-end collaboration through efficient data aggregation, organization, and varied searching. This Portal Server also enables users to find relevant information through customization and personalization of portal content and vivid layouts for specific audience targeting.

BY Best Interview Question ON 18 Feb 2020