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02-Web Basics

• STEP 1：Web Vocabulary
  （1）World Wide Web
  （2）Hypertext linking
  （3）Web page
  （4）URL
  （5）Web address
  （6）URI
  （7）Web site
  （8）Web browser
  （9）Web server
  （10）Apache
  （11）IIS
  
  STEP 2：What is the difference between Internet，WWW and Web?
  Internet: a physical network connecting millions of computers using the same protocols for sharing/transmitting information (TCP/IP).
  Web: an internet-based distributed information system.
  World Wide Web: a collection of interlinked multimedia documents that are stored on the Internet and accessed using a common protocol (HTTP).
  Key distinction: Internet is hardware; Web is software. Many other Internet-based applications exist
  
  STEP 3：Network
  （1）Network Addresses
  （2）Client and Server
  （3）Domain name system
  （4）Domain name registration
  （5）URL
  （6）Static vs. Dynamic pages