Answered: What is a LAN?

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Question

What is a LAN?

Expert Solution

Step 1

Networking:

Networking refers to the process of transferring data and information among several people who reside at different geospatial locations. Also, it is possible to share software or hardware resources through a computer network.

A network can be constructed in multiple forms depending on the area covered and the number of people using the network:

Local Area Network
Metropolitan Area Network
Wide Area Network
Personal Area Network

Step 2

Answer:

A local-area network (or LAN) provides a smaller network coverage (up to 100 meters), mostly for connecting several devices within a room, an entire building, or a few buildings. Multiple LANs can be connected to construct a larger network.

Characteristics:

Fast data exchange
Low configuration cost
Easy physical construction
Available in different sizes

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