Podcast
Questions and Answers
What is the primary difference between a Local Area Network (LAN) and a Wide Area Network (WAN)?
What is the primary difference between a Local Area Network (LAN) and a Wide Area Network (WAN)?
- The speed of data transmission
- The geographic area covered (correct)
- The type of devices connected
- The number of devices connected
What is the primary function of a Metropolitan Area Network (MAN)?
What is the primary function of a Metropolitan Area Network (MAN)?
- To connect multiple Local Area Networks (LANs) within a city (correct)
- To connect devices wirelessly
- To connect devices within a single building
- To provide internet access to a wide geographic area
What is required to connect to a Wide Area Network (WAN)?
What is required to connect to a Wide Area Network (WAN)?
- A broadband connection
- An Internet Service Provider (ISP) (correct)
- A physical connection to a LAN
- A personal computer with a NIC
What is the role of an Internet Service Provider (ISP)?
What is the role of an Internet Service Provider (ISP)?
What is the term for the rate at which data can be sent through a communications channel?
What is the term for the rate at which data can be sent through a communications channel?
What is the primary function of the Internet?
What is the primary function of the Internet?
What is the term for a very high-speed bandwidth connection?
What is the term for a very high-speed bandwidth connection?
What is the benefit of connecting devices to form a network?
What is the benefit of connecting devices to form a network?
What connects a group of desktop PCs and other devices in an office or a building?
What connects a group of desktop PCs and other devices in an office or a building?
What is the purpose of a Metropolitan Area Network?
What is the purpose of a Metropolitan Area Network?
What type of connection is required for a MAN and a WAN?
What type of connection is required for a MAN and a WAN?
What allows you to connect to other WANs?
What allows you to connect to other WANs?
What is the global system of interconnected computer networks?
What is the global system of interconnected computer networks?
What is used to communicate between networks and devices in the Internet?
What is used to communicate between networks and devices in the Internet?
What is an expression of how much data can be sent through a communications channel in a given amount of time?
What is an expression of how much data can be sent through a communications channel in a given amount of time?
What is the result of connecting devices together to form a network?
What is the result of connecting devices together to form a network?
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Study Notes
Types of Networks
- LAN (Local Area Network) connects a group of devices, such as desktop PCs and printers, in an office or building using cables.
- MAN (Metropolitan Area Network) serves a larger area, like a city, and connects multiple LANs together.
- WAN (Wide Area Network) spans a larger geographic area, connecting LANs across the country, using devices like telephone lines, satellite dishes, or radio waves.
Network Connection
- Access device: a personal computer with a NIC (Network Interface Card).
- Physical connection: connecting to a wired (cable) or wireless LAN.
- For MAN and WAN, an ISP (Internet Service Provider) is required.
Internet Connection
- ISP: a company that connects users to its servers, allowing access to the Internet.
- ISP servers connect users to MAN, WAN, or other WANs.
- WAN also connects users to the Internet if the ISP allows access to other WANs.
Internet Overview
- The Internet is a global system of interconnected computer networks.
- It uses WAN to communicate between networks and devices.
- Bandwidth: the data transmission rate, measured by the amount of data sent through a channel in a given time.
- Broadband: a very high-speed bandwidth connection.
Network Capabilities
- Enhanced capabilities when devices are connected to form a network.
- Basic services offered by computer networks include:
- File sharing
- Instant messaging
- Online gaming
- Printing
- File server
- World Wide Web
Types of Networks
- LAN (Local Area Network) connects a group of devices, such as desktop PCs and printers, in an office or building using cables.
- MAN (Metropolitan Area Network) serves a larger area, like a city, and connects multiple LANs together.
- WAN (Wide Area Network) spans a larger geographic area, connecting LANs across the country, using devices like telephone lines, satellite dishes, or radio waves.
Network Connection
- Access device: a personal computer with a NIC (Network Interface Card).
- Physical connection: connecting to a wired (cable) or wireless LAN.
- For MAN and WAN, an ISP (Internet Service Provider) is required.
Internet Connection
- ISP: a company that connects users to its servers, allowing access to the Internet.
- ISP servers connect users to MAN, WAN, or other WANs.
- WAN also connects users to the Internet if the ISP allows access to other WANs.
Internet Overview
- The Internet is a global system of interconnected computer networks.
- It uses WAN to communicate between networks and devices.
- Bandwidth: the data transmission rate, measured by the amount of data sent through a channel in a given time.
- Broadband: a very high-speed bandwidth connection.
Network Capabilities
- Enhanced capabilities when devices are connected to form a network.
- Basic services offered by computer networks include:
- File sharing
- Instant messaging
- Online gaming
- Printing
- File server
- World Wide Web
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