Question

A user opens a web browser and requests a webpage. The request is sent to a remote machine, which processes the request and sends back the webpage content. In this scenario, which of the following correctly identifies the client and server roles?

• A. The web browser is the server, and the remote machine is the client.
• B. Both the web browser and remote machine act as servers.
• C. The web browser is the client, and the remote machines is the server.
• D. Both the web browser and remote machine act as clients.

Hint:

To remember the difference: The Client is the customer who orders the meal (data), and the Server is the kitchen that prepares and delivers it.

Answer 1

The Correct Option is C

Concept:
The Client-Server model is a distributed application structure that partitions tasks or workloads between the providers of a resource or service, called servers, and service requesters, called clients.

Step 1: Identifying the Client (The Requester).
A client is a piece of computer hardware or software that accesses a service made available by a server. In web communication, the Web Browser (like Chrome or Firefox) is the active party that initiates a request for data (a URL) from a user. It acts as the interface for the user to consume resources.

Step 2: Identifying the Server (The Provider).
The server is a high-powered machine or software process that "serves" data. It sits in a passive state, listening for incoming requests. When the remote machine receives the browser's request, it retrieves the necessary files (HTML, CSS, images) and transmits them back across the network.

Step 3: The Request-Response Cycle.
The relationship is strictly defined by the flow of data:
• Request: Client $\to$ Server
• Response: Server $\to$ Client Because the browser asks and the remote machine provides, the roles are clearly Client and Server respectively.