1. Why Windows Server 2008 comes in different versions? What is the significance of each version

The reason Windows Server 2008 many different versions is to meet the needs of its customers. They provide 7 different versions ranging from the basic entry level software for a small business to very large corporations that require immense computing power. Windows Server 2008 R2 (Foundation) – Is the basic starter server package.
Windows Server 2008 R2 (Standard) – Is well built, with the average tools and flexibility.
Windows Server 2008 R2 (Enterprise) – Specialized to meet the needs of very unique applications.
Windows Server 2008 R2 (Datacenter) – Has a Very large capacity.
Windows Server 2008 R2 (Web) – For internet applications only.
Windows Server 2008 R2 (HPC Suite) – It is Customizable to get the most out of the system resources.
Windows Server 2008 R2 (Itanium Based) – It is the most scalable. 
 "Nick MacKechnie." How Many Versions of Windows Server 2008 Are There Going to Be? N.p., n.d. Web. 13 Feb. 2015.

2. What are the new features or enhancements made to Windows Server 2008? How is Windows Server 2008 different from Windows Server 2003?

Some of the new features according to Microsoft’s website are Powerfull Hardware and Scaling Features, Reduced Power Consumption, Hyper-V in Windows server 2008 R2 SP1, Expand Desktop Deployment Options with VDI, and Easier and more Efficient Server Management. New Networking Features in Windows Server 2008 and Windows Vista.
" New Networking Features in Windows Server 2008 and Windows Vista. N.p., n.d. Web. 13 Feb. 2015.


3. Why is 64-bit architecture and advantage?
 64 –bit architecture is actual design of the CPU. Some of the advantages of 64-bit architecture are increase to a maximum of 1,024 GB of RAM, the use of an increased number of processors, faster bus architecture, more secure, and it has