Which of the following is a set of feature extension modules created by Microsoft for use with Microsoft Windows?

Which of the following is a set of feature extension modules created by Microsoft for use with
Microsoft Windows?

A.
Application Pool

B.
IIS

C.
Connection Pooling

D.
Windows Installer

Explanation:
Internet Information Services (IIS) formerly called Internet Information Server is a web server
application and set of feature extension modules created by Microsoft for use with Microsoft
Windows. It is the world’s second most popular web server in terms of overall websites behind the
industry leader Apache HTTP Server. As of March 2010, it served 24.47% of all websites on the
Internet according to Netcraft. The protocols supported in IIS 7 include:
FTP, FTPS, SMTP, NNTP, and HTTP/HTTPS.
Answer A is incorrect. An application pool is a collection of URLs that are served by a worker process
or a set of worker processes. It limits process boundaries to separate applications and to prevent
them from affecting another application on a Web server. Deploying applications in an application

pool is the most important advantage of running IIS 6.0 in worker process isolation mode because
the user can modify the application pool to get the amount of application isolation that he needed.
Answer C is incorrect. Connection pooling is the process of reusing existing active connections
instead of creating new connections when a user makes a request to the database. The connection
manager is responsible for maintaining a pool of available connections. When the connection
manager receives a request for a new connection, it checks the pool for the available connections. If
a connection is available, it is returned, otherwise a new connection is created and returned,
provided that the maximum pool size has not been reached.
Answer D is incorrect. Windows Installer is a Windows component that helps users to install,
update, and uninstall programs. It supports a file format with an .MSI extension (Windows Installer
Package) that contains all the files and settings necessary to install an application. The Windows
Installer package can be installed in one of the following ways:
Manually, by double clicking on the .MSI file from the computer on which a user wants to install a
program.
Automatically, through a script using the MsiExec.exe tool. By using the Group Policy Software
Distribution.