ASP is a Microsoft Technology .Which stands for Active Server Pages. ASP is web base programming languages like jsp, php etc which runs inside IIS(Internet Information Services).
IIS is a Web Server that provides Web services, not only for web pages but also for ftp sites and video and audio services. It integrates with the database facilities of SQL Server.
Persistent cookies are stored on your computer hard disk. They stay on your hard disk and can be accessed by web servers until they are deleted or have expired. Persistent cookies are not affected by your browser setting that deletes temporary files when you close your browser.Non-persistent cookies are saved only while your web browser is running. They can be used by a web server only until you close your browser. They are not saved on your disk. Microsoft Internet Explorer 5.5 can be configured to accept
non-persistent cookies but reject persistent cookies.
Virtual directories are aliases for directory paths on the server. It allows moving files on the disk between different folders, drives or even servers without changing the structure of web pages. It avoids typing an extremely long URL each time to access an ASP page.
Virtual directories are the directory it can access the data into one drirectory to another directory.
Server.Transfer is used when redirecting the webpage with in the same application whereas Response. Redirect is applicable towards the redirection of webpage between 2 applications
Response.Redirect will instruct browser to call a particular webpage. This will increase one request and one response between the client and server.