Question

define the terms- nodes, client and server​

Answer 1

Clients, Hosts, Servers, Sites, And Nodes

Client:

A client is represented as a machine that is requesting for some resource in a network. For example a web browser is a client requesting for web pages from the web server.

Hosts:

A host is a device connected in a network and is identified by the “host id”.

Servers:

The server is a computer that provides services to remaining nodes in the network. Depends on the service the servers are named as follows:

• File servers store huge amount of shared files and allows the clients to access those files.

• Web server is a computer that stores web pages. Usually this web server will host the web sites and this web server responds to the request for web pages by the clients.

• Mail server is a computer that deals with the delivery of e-mails over the Internet. It receives e-mails from clients and delivers them to other mail servers. Mail server can also deliver e-mails file servers to client computers.

Sites:

With respect to computer science, a site represents a website that consists of many web pages. This website is identified by a Uniform Resource Locator (URL) and this URL is resolved by the Domain Name System.

Nodes:

In context of network node is a device for connecting point or redistribution point like switches and hubs, otherwise a endpoint, such as a computer.

Answer 2

The terms node, client, and server are defined below.

Node:

• A node, in a data communication network, can be defined as the point of connection or intersection. It is a connection, redistribution point, or communication endpoint. Any device or system which is connected to a network can be called a node.

Client:

• A client can be defined as a hardware or software that requests access or accesses a service provided by a server. A few examples of client devices include a desktop computer, laptop, smartphone, etc.

Server:

• A server, in a computer network, can be defined as a computer program or device that provides functionality viz. resources, services, data, or programs to other computers on the network which are called the clients.

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