Q.Differentiate between:

Let's break each pair down by what it actually does, not just by its acronym.

(a) MAN vs WAN

A MAN (Metropolitan Area Network) covers a city-sized area, like a network connecting all the branches of a bank across Mumbai. A WAN (Wide Area Network) spans a much larger geographical region — states, countries, or even continents. The internet itself is the largest example of a WAN. The key difference is simply the scale of the area covered.

(b) Website vs Web Page

A website is a collection of related web pages, images, and other content hosted under a single domain name (like cbse.nic.in). A web page is a single document within that website, typically written in HTML, that you view in a browser. Think of the website as the entire book, and each web page as one page in that book.

(c) Router vs Gateway

A router forwards data packets between different networks based on IP addresses. A gateway is a more general device that connects two entirely different types of networks, often performing protocol translation. Every gateway is a router, but not every router is a gateway — a gateway is a router that also translates between incompatible network protocols.

(d) Bus vs Star Topology …

Let’s take each pair in turn, starting with the big-picture distinctions that define how networks are built and used.

(a) MAN and WAN

A MAN (Metropolitan Area Network) covers a city or a large campus — think of a municipal Wi-Fi network or a university connecting its buildings across town. Its range is typically tens of kilometres. A WAN (Wide Area Network), by contrast, spans countries or continents. The internet itself is the largest WAN. The key difference is geographic reach: MAN is city-sized, WAN is global. MANs are often owned by a single organisation or a city council, while WANs are usually a patchwork of multiple carriers and service providers. Speed on a MAN is generally higher because distances are shorter, whereas WAN links often involve slower, more expensive leased lines or satellite connections.

(b) Website and web page

A website is a collection of related web pages under a single domain name — for example, www.example.com. A web page is a single document within that site, like the “Contact Us” page. Think of a website as a book and a web page as one page in that book. The website has a home page that acts as an entry point, and all its pages are linked together. A web page is what you see in your browser at a specific URL. You can bookmark a web page, but you visit a website.

(c) Router and Gateway

A router forwards data packets between networks based on IP addresses. It looks at the destination address and decides the best path. A gateway is a node that acts as an entrance to another network — it often translates between different protocols. For example, a router at home connects your LAN to your ISP’s network. A gateway might connect a corporate network to the internet, handling both routing and protocol conversion (like from IPv4 to IPv6). In practice, many devices combine both functions, but conceptually: a router moves data within the same protocol family, while a gateway bridges different systems.

(d) Bus and Star topology

Bus topology connects all devices to a single central cable (the backbone). Data travels along the cable, and each device checks if the data is meant for it. It’s cheap and simple but fragile — a break in the cable brings down the whole network. Star topology connects each device to a central hub or switch. Data goes from the device to the hub, which then forwards it to the destination. If one cable fails, only that device is affected. Star is more reliable and easier to troubleshoot, but it requires more cable and a central device that can become a single point of failure.

| Feature | Bus Topology | Star Topology |

|---------|--------------|---------------| …