Which of the following TCP IP protocols is used to communicate between a Web browser and a Web server?

What Does Transmission Control Protocol/Internet Protocol (TCP/IP) Mean?

Transmission Control Protocol/Internet Protocol (TCP/IP) is the language a computer uses to access the internet. It consists of a suite of protocols designed to establish a network of networks to provide a host with access to the internet.

TCP/IP is responsible for full-fledged internet data connectivity and transmitting the data end to end by providing other functions, including addressing, mapping and acknowledgment. TCP/IP contains four layers, which differ slightly from the OSI model.

The technology is so common that one would rarely use the full name. In other words, in common usage the acronym is now the term itself.

Which of the following TCP IP protocols is used to communicate between a Web browser and a Web server?

Techopedia Explains Transmission Control Protocol/Internet Protocol (TCP/IP)

Nearly all computers today support TCP/IP. TCP/IP is not a single networking protocol – it is a suite of protocols named after the two most important protocols or layers within it – Transmission Control Protocol and Internet Protocol.

As with any form of communication, two things are needed: a message to transmit and the means to reliably transmit the message. The TCP layer handles the message part. The message is broken down into smaller units, called packets, which are then transmitted over the network. The packets are received by the corresponding TCP layer in the receiver and reassembled into the original message.

The IP layer is primarily concerned with the transmission portion. This is done by means of a unique IP address assigned to each and every active recipient on the network.

In other words, when a message is sent, it is broken into many packets that must reach their destination. The IP portion of the TCP/IP makes sure they arrive at the correct location by traversing different paths. Each packet is forwarded through all gateway nodes on the network by checking the IP address of the receiver.

The TCP portion first ensures that the connection between sender and receiver is maintained from before the first packet is sent to after the last one is reassembled. The TCP is then responsible for assembling all the packets in the right order, requesting missing packets to be sent back, and then provides a confirmation to the sender that the message was received correctly.

TCP/IP is considered a stateless protocol suite because each client connection is newly made without regard to whether a previous connection had been established.

Common protocols of TCP/IP include the Hyper Text Transfer Protocol(HTTP) and Secure HTTP (HTTPS) to handle communication between a web browser and a web server, and the File Transfer Protocol (FTP) to handle transmission of data between computers.

TCP/IP models are divided in four layers:

  • Application Layer: Handles the details of communication at the application level.

  • Transport Layer: Establishes and maintains a data connection and exchange between two devices.

  • Network Layer: Also known as the internet layer, it handles the movement of packets around the network and across other networks.

  • Physical Layer: It handles the physical parts of the communication between hosts within the same network using wireless connections, ethernet cables, and so on. It is also called the data link layer or interface layer.

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A web browser displays content obtained from a web server

Web browsers like Microsoft Edge, Firefox, Chrome, and Safari rank among the most popular network applications in the world. People use these browsers for basic information browsing and other needs, including online shopping and casual gaming. Web server communication relies on network protocols.

Web servers are what supply the content for web browsers. What the browser requests, the server delivers through internet network connections.

PhotoAlto/Frederic Cirou / Getty Images

Client-Server Network Design and the Web

Web browsers and web servers function together as a client-server system. In computer networking, client-server is a standard method for designing applications where data is kept in central locations (server computers) and efficiently shared with any number of other computers (the clients) on request. All web browsers function as clients that request information from websites (servers).

Numerous web browser clients can request data from the same website. Requests can happen at all different times or simultaneously. Client-server systems conceptually call for all requests to the same site to be handled by one server. In practice, however, because the volume of requests to web servers can sometimes grow very large, web servers are often built as a distributed pool of server computers.

For websites popular in different countries around the world, this webserver pool is geographically distributed to help improve the response time to browsers. If the server is closer to the requesting device, the time it takes to deliver the content is faster than if the server were further away.

Network Protocols for Web Browsers and Servers

Web browsers and servers communicate using TCP/IP. Hypertext Transfer Protocol is the standard application protocol on top of TCP/IP supporting web browser requests and server responses.

Web browsers also rely on DNS to work with URLs. These protocol standards enable different brands of web browsers to communicate with different brands of web servers without requiring particular logic for each combination.

Like most internet traffic, web browser and server connections typically run through a series of intermediate network routers.

A basic web browsing session works like this:

  • A person specifies a URL in a browser.
  • The browser initiates a TCP connection to the server or server pool (using port 80, by default) through its IP address, as published in DNS. As part of this process, the browser also makes DNS lookup requests to convert the URL to an IP address.
  • After the server completes the acknowledgment of its side of the TCP connection, the browser sends HTTP requests to the server to retrieve the content.
  • After the server replies with content for the page, the browser retrieves it from the HTTP packets and displays it accordingly. Content can include embedded URLs for advertising banners or other external content, which in turn triggers the browser to issue new TCP connection requests to those locations. The browser may also save temporary information, called cookies, about its connections to local files on the client computer.
  • Any errors encountered during the request for the content might appear as HTTP status lines.

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Is TCP used for web browsing?

TCP, or Transmission Control Protocol, is the most common networking protocol online. TCP is extremely reliable, and is used for everything from surfing the web (HTTP), sending emails (SMTP), and transferring files (FTP).

What is TCP IP protocol in computer network?

TCP stands for Transmission Control Protocol a communications standard that enables application programs and computing devices to exchange messages over a network. It is designed to send packets across the internet and ensure the successful delivery of data and messages over networks.

Which protocols are used to establish a connection with a web server?

(HyperText Transfer Protocol) The communications protocol used to connect to Web servers on the Internet or on a local network (intranet). The primary function of HTTP is to establish a connection with the server and send HTML pages back to the user's browser.

Which of the following protocols is used for web communication?

HTTP is the protocol used to transmit all data present on the World Wide Web. This includes text, multimedia and graphics.