Types of networks: MAN MCQs Quiz | Class 9
This is an online MCQs quiz for Class IX Computer Applications (Code 165), Unit 1: Basics of Information Technology. Test your knowledge on the topic of Types of networks, specifically focusing on the Metropolitan Area Network (MAN) and its city-scale concept. Answer all 10 questions and click ‘Submit Quiz’ to see your score and download a PDF of your answers.
Understanding the Metropolitan Area Network (MAN)
A Metropolitan Area Network (MAN) is a type of computer network that interconnects users with computer resources in a geographic region the size of a metropolitan area or a large city. It is larger than a Local Area Network (LAN) but smaller than a Wide Area Network (WAN). A MAN provides a crucial link between these two network types, offering high-speed connectivity over a city-wide scale.
Key Characteristics of a MAN
- Geographical Scope: Typically covers a diameter of 5 to 50 kilometers, encompassing a group of nearby corporate offices, several buildings, or an entire city.
- High Speed: MANs use high-speed carriers, such as fiber optic cables, to provide fast data transfer rates, often in the range of Mbps to Gbps.
- Purpose: It is designed to extend LAN connectivity over a larger area. Common uses include connecting multiple LANs, providing shared access to a WAN link like the internet, or for services like cable television.
- Ownership: A MAN can be owned and operated by a single large organization (like a university with multiple campuses) or by a communication service provider who sells network services to the public.
Examples of Metropolitan Area Networks
The concept of a MAN is visible in our daily lives:
- Cable TV Network: A cable television network provider that serves an entire city is a classic example of a MAN.
- University Campus Network: A large university with multiple campuses spread across a city, all connected by a unified network.
- City-wide Government Network: A network connecting various government offices, police stations, and public services within a city.
- Corporate Backbone: A company connecting its head office with several branch offices located in different parts of a city.
Comparison: LAN vs. MAN vs. WAN
| Basis of Comparison | LAN (Local Area Network) | MAN (Metropolitan Area Network) | WAN (Wide Area Network) |
|---|---|---|---|
| Area Covered | Small area (building, office) | A whole city or large town | Large area (country, continent) |
| Speed | Very High (Gbps) | High (Mbps to Gbps) | Lower compared to LAN/MAN |
| Ownership | Typically a single private entity | Private entity or public utility | Multiple public/private entities |
| Maintenance | Easy to maintain | Moderately difficult | Very difficult to maintain |
Quick Revision Points
- MAN stands for Metropolitan Area Network.
- It covers a geographical area larger than a LAN but smaller than a WAN.
- Its primary purpose is to interconnect LANs within a city.
- Fiber optic cables are the most common technology used for MAN backbones.
- Examples include city-wide cable TV networks and networks connecting multiple corporate offices in a city.
Practice Questions
- Why is a home Wi-Fi network not considered a MAN, even if it uses high-speed fiber internet?
- If a company connects its offices in Delhi, Mumbai, and Chennai, what type of network would this be? Explain why.
- What are the key advantages of a MAN over simply using the public internet (a WAN) to connect offices within the same city?
- Besides cable TV, can you think of another service provided to homes in a city that relies on a MAN infrastructure?
- Describe a scenario where a city’s public transportation system might use a MAN.
