A computer network is a fundamental concept in the field of information management systems, and it plays a significant role in the context of the tourism industry. Computer networks are a means of connecting multiple computers or devices to facilitate the sharing of resources and information. These networks can vary in size and complexity, but their primary purpose is to enable communication and data exchange between different entities within an organization or among multiple organizations. In the tourism sector, computer networks are crucial for managing reservations, coordinating guest services, sharing information with customers, and many other aspects of the business.

Computer networks are classified based on their structures, which determine how the components and nodes are organized and interconnected. There are several ways to categorize computer networks based on their structures, and I'll discuss some of the most common classifications in the context of information management systems in the tourism industry:

1. Local Area Network (LAN):
   - A LAN is a network that spans a limited geographic area, typically within a single building or a campus.
   - LANs are commonly used in hotels and resorts to connect various departments, such as front office, housekeeping, and food services. These networks help manage reservations, room availability, and guest services efficiently.
   - In the tourism industry, LANs enable real-time communication between the front desk and other hotel departments, ensuring smooth guest experiences.

2. Wide Area Network (WAN):
   - A WAN covers