Bab 3 Akm Awal

Summary

This video provides an in-depth explanation of computer networks, focusing on key types like LAN (Local Area Network), MAN (Metropolitan Area Network), and WAN (Wide Area Network). It explores their features, benefits, and practical applications, such as data sharing, security, and resource management. The video also contrasts peer-to-peer networks, where all devices function equally, with client-server networks, which centralize resources. Ideal for users looking to understand how networks operate at different scales, the content highlights network components, connection methods, and their respective use cases in modern environments like homes, schools, and businesses.

Takeaways

• 😀 Computer networks enable data, resource, software, and hardware sharing among multiple users and applications.
• 😀 One key benefit of computer networks is the ability to access data from different computers, making it easier to share information.
• 😀 Even if a computer fails, data stored in the network remains accessible from other computers, ensuring data safety.
• 😀 Network administrators can control data access, ensuring only authorized users can access sensitive information.
• 😀 Resources like printers and scanners can be shared across the network, increasing efficiency and reducing costs.
• 😀 LAN (Local Area Network) covers small geographical areas (up to 10 km), such as within buildings or local offices.
• 😀 LANs offer high-speed data transmission (10 Mbps to 100,000 Mbps) and can be connected using wired or wireless technologies.
• 😀 MAN (Metropolitan Area Network) covers larger areas (10-50 km) and is used to connect multiple LANs, typically within a city.
• 😀 WAN (Wide Area Network) spans large geographical areas, such as cities, countries, or continents, and is often powered by leased lines or wireless connections.
• 😀 Peer-to-Peer (P2P) networks allow all computers to act as both servers and clients, sharing files and resources without a central server.
• 😀 Client-Server networks involve one or more central servers that manage resources and security, while clients access those resources via the network.

Q & A

What is a computer network according to Yin Darling?

A computer network is a platform for sharing data, software, and hardware resources with various users and applications communicating with each other.

What are the key benefits of using computer networks?

The key benefits include remote access to data, secure data storage even when a computer is damaged, network administrators controlling access to critical data, and sharing devices like printers and scanners.

What is a Local Area Network (LAN)?

A LAN is a type of computer network that covers a small, localized area, typically connecting a limited number of computers (like in homes, schools, or offices). It uses wired or wireless connections with data transfer speeds ranging from 10 Mbps to 100,000 Mbps.

What distinguishes LAN from Wireless LAN (WLAN)?

While both are types of LAN, a Wireless LAN (WLAN) uses wireless technology for connections, whereas LAN typically involves wired connections such as UTP cables.

What are the characteristics of a LAN?

LANs have limited coverage, usually within a building or small area, with a typical range of up to 10 km. They also offer relatively high data transfer speeds.

What is a Metropolitan Area Network (MAN)?

A MAN is a computer network that covers a larger area than a LAN but smaller than a WAN. It typically spans a city or metropolitan area and can be used for both private and public purposes.

What types of connections are commonly used in a MAN?

MANs commonly use wireless connections or fiber optic cables to connect devices over distances ranging from 10 to 50 km.

How does a Wide Area Network (WAN) differ from LAN and MAN?

A WAN covers much larger geographical areas, including multiple cities or even countries. It connects devices over vast distances, using services from operators and serial connections.

What is the Peer-to-Peer network model?

A Peer-to-Peer network is a decentralized network where each computer can act as both a client and a server, allowing users to share resources without a central server.

What is the Client-Server network model?

In a Client-Server network, one or more servers provide services or resources to client computers. The servers manage resources, security, and access control, while clients connect to the server to use those resources.