Arranging Computer Networks by Geographical Area

The question asks us to arrange different types of computer networks in ascending order based on the geographical area they cover. The network types provided are MAN, WAN, and LAN.

Let's understand the typical coverage area for each type of computer network:

• LAN (Local Area Network): A LAN connects devices within a relatively small and limited geographical area. This could be a single room, a building, or a group of nearby buildings on a campus. LANs are usually privately owned and managed. Examples include home networks, office networks, or networks within a school.
• MAN (Metropolitan Area Network): A MAN covers a larger geographical area than a LAN, typically spanning a city or a large town. A MAN often interconnects multiple LANs within the metropolitan region. It can be owned and operated by a single organization, but more commonly, it is managed by a public utility or a large corporation.
• WAN (Wide Area Network): A WAN covers a vast geographical area, potentially spanning across countries or even continents. WANs are used to connect LANs and MANs located far apart. The internet is the most well-known example of a public WAN. Large organizations often use private WANs to connect their various branches spread across different locations.

Comparing the geographical areas:

• LAN covers the smallest area.
• MAN covers a larger area than LAN, typically a city.
• WAN covers the largest area, connecting cities, countries, or continents.

Therefore, arranging them in ascending order based on geographical area (from smallest to largest) gives us:

LAN < MAN < WAN

Now, let's map this order to the given options:

• (C) represents LAN
• (A) represents MAN
• (B) represents WAN

The ascending order (LAN, MAN, WAN) corresponds to (C), (A), (B).

This can be summarized in the following table:

Arranging by ascending area: LAN < MAN < WAN

Corresponding option labels: (C) < (A) < (B)

Revision Table: Network Types and Area

Additional Information on Computer Networks

Computer networks are essential for communication and resource sharing. Understanding the different types of networks based on their scale helps in designing and managing network infrastructure effectively.

• Network Topology: Besides geographical area, networks can be classified by their topology (layout) such as bus, star, ring, mesh, and tree.
• Network Architecture: Networks can also be categorized by their architecture, such as client-server or peer-to-peer models.
• Network Protocols: Data transmission within and between networks is governed by various protocols, like TCP/IP, which are fundamental to how networks operate.
• Connectivity: Networks can use different transmission media, including wired options like Ethernet cables and fiber optics, and wireless options like Wi-Fi and cellular data.

Each type of computer network (LAN, MAN, WAN) has its own characteristics regarding speed, cost, and management complexity, largely influenced by the geographical area it covers.