Define the following terms: 1. LINQ to SQL 2. LINQ to objects 1 Mark Learning Outcome(s): Understand the main elements of portals development. . Question Two 2-Inactive user (anonymous user) data creates big challenges for Ajax web portal. List the steps use to cleanup this data. 1 Mark Learning Outcome(s): Understand the main elements of portals development Question Three 3-In Web portal, when a page executes on the server-side, Slowness can occur when a page loads due widgets executing simultaneously. This makes the first-time visit, future visits, and tab switching slower. In your own words, how this slowness can be reduced? 1 Mark Learning Outcome(s): Understand the main elements of portals development Question Four 4-Content proxy is a web service on your server that can fetch data from external URLs and return it to the browser. How does the proxy improve the load time for users? ...