Client-Server Digital Library: Server Role

In a client-server architecture, the server performs distinct functions compared to the client. For a digital library, the server acts as the central hub for resources.

Analyzing Server Functions

• Option 1: Controlling access to information, retrieving it, and sending it to the client. This accurately describes the server's primary responsibilities. The server manages who can access library resources (information access control), fetches the requested data (retrieving information), and transmits it to the requesting client application.
• Option 2: Analyse and Display the information retrieved from the client This describes a client-side function. The client requests, receives, and then analyzes/displays the data.
• Option 3: Requesting and receiving information from the client. This is the fundamental role of the client, not the server. The client initiates requests.
• Option 4: All data processing on the client's local machine This describes client-side processing, contrasting with the server's role of managing and providing data.

Conclusion on Server Functionality

The core role of the server in this architecture is to manage the digital library's resources. This involves securely controlling access, retrieving the requested information upon client request, and delivering that information back to the client. Therefore, controlling access, retrieving, and sending information are key server functions.