Maintaining Logged in Session
<p>I had a recent interview questions.Wish to share with experts in SO post.Seeking your kind cooperation to clarify few things.</p>

<p>(1) How to maintain user logged in session across web farm.</p>

<p>I had answered as " State Server  ".The interviewer asking the other option.I have answered as "Sql Server".But not quite sure whether it is correct. Would the second option be "Sql Server" ?</p>

<p>(2) You are tasked to configure Custom Single Sign on Authentication Provider? What is the mode would you choose to implement it in Web COnfiguration File?</p>

<p>Would the correct answer be "Form" or can i even choose "Windows"?</p>

<p>(3) How to improve performance of LINQ to SQL Query if Concurrency is not considered?</p>

<p>I have answered as  (i) Set ObjectTrackingEnabled=false and (ii) Turn off OptimisticConcurrency.</p>

<p>Kindly share your answers to understand the things better.Thanks in advance.</p>
