What is web Hosting? How many types of job Hosting Services?

Self Service Web Hosting

The ultimate hosting plan -- you do it all yourself! You buy the servers, install and configure the software, make sure there are sufficient cooling and power in your machine room, and double up everything for redundancy. Some of the things you'll have to take care of:

• 
  data center space
  
• 
  cooling
  
• 
  power (with backup)
  
• 
  bandwidth
  
• 
  server hardware
  
• 
  systems administrator
  
• 
  data integrity and backup
  
• 
  ... and the list goes on
  

Similar to colocation web hosting, this most likely beyond the scope of what you'd want to do as an online business owner. 

8. 
   Managed WordPress Hosting
   

With the increasing popularity of WordPress as a web building platform, many web hosting servers are offering what are referred to as "Managed WordPress Hosting.

In a nutshell, managed WordPress hosting is a service where the web hosting provider will keep your WordPress installation up-to-date which can help protect your site from security threats that would allow hackers into your website.

3. ASP stands for Active Server Pages.

ASP is a development framework for building web pages.

ASP supports many different development models.

The ASP Technology

ASP and ASP.NET are server side technologies.

Both technologies enable computer code to be executed by an Internet server.

When a browser requests an ASP or ASP.NET file, the ASP engine reads the file, executes any code in the file, and returns the result to the browser

ASP (aka Classic ASP) was introduced in 1998 as Microsoft's first server side scripting language.

Classic ASP pages have the file extension .asp and are normally written in VBScript.