What is IP Address ? How does it work ?

IP ADDRESS

An internet protocol address (IP Address) is a logical numeric address that is assign to every single computer ,printer, switch, or routes or any other device that is part of a TCP/IP -based network. The IP network is the core components on which the networking architecture is built no network exits without it. An IP adress is a logical address that is used to uniquely identify every node in the network because IP address are logical, thy can change. They are similar to address in town or city because the IP address gives the network node an address so, that it can communicate with other nodes or network, just like mail is sent to friends and relatives.

• Address in IPv4 are 32-bits long. This allows for a miximum of 4,294,967,296 (2³²)unique address.
• Address in IPv6 are 128-bits which allows for 3.4 X 10³⁸ (2¹²⁸) unique address.

MAC ADDRESS

Mac address are unique 48-bits hardware of a computer, which is embedded into network card known as network interface card ) during the time of manufacturing Mac. Address is also known as physical adress of a network device.

COOKIE

• A cokie is a small amount of data generated by a website and saved by your web browser its purpose is to remember information about you similar to a preference file created by a software application.
• While cookie serve many functions, their most common purpose is to store login information for a specific site. Some sites will save both your username and password in a cookie while others will only save your username henever you check a box that says, "Remember me on this computer" the website will generate a login cookie once you sucessfull login each time you re-visit the website, you may only need to enter your password or you might not need to log in at all.

SESSION

• In the computing world, a session refers to a limited time of communication b/w two systems. Some session involve a client and a serve, while other session invole two personal computers.
• A common type of client/sever session is a web or HTTP session. An HTTP session is initiated by a web browser each time you visited a website. While each page visit constitutes an individual session, the term is often used to describe the entire time you spend on the website.