Chapter 7, Problem 4DQ

Program Plan Intro

IP Address:

• The full form of IP address is “Internet Protocol Address”. It is nothing but numbers assigned to each device that is connected to a computer network which uses “Internet Protocol (IP)” for communication.
• IP addresses are in human-readable (numeric format) notations.
• There are two types of Internet Protocol. They are:
  • Internet Protocol version 4 (IPv4)
  • Internet Protocol version 6 (IPv6)

Domain Names:

• The name given to the IP address is called as “domain name”. Every domain name is unique and they are text based address.
• URL contains:
  • A protocol
  • Web server name
  • Domain name
  • Location of the file
• Example: “http://www.mozilla.com”
  • Here,
    • http – HTTP protocol
    • www – Web server name or host
    • mozilla.com – domain name
  • In “mozilla.com”: “.com” is considered as the top-level domain whereas “Mozilla” is considered as the second-level domain name.