Podcast
Questions and Answers
Which of the following is NOT a type of network?
Which of the following is NOT a type of network?
A Metropolitan Area Network (MAN) is smaller than a Local Area Network (LAN).
A Metropolitan Area Network (MAN) is smaller than a Local Area Network (LAN).
False (B)
What technology is used in mobile networks to transmit data between devices and towers?
What technology is used in mobile networks to transmit data between devices and towers?
Radio waves
The ability to connect multiple LANs or MANs together to cover a larger geographic area is a feature of a ______.
The ability to connect multiple LANs or MANs together to cover a larger geographic area is a feature of a ______.
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Match the following network technologies with their primary purpose:
Match the following network technologies with their primary purpose:
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Which of the following BEST describes the purpose of a Network Interface Card (NIC)?
Which of the following BEST describes the purpose of a Network Interface Card (NIC)?
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Mobile networks are unsuitable for real-time transactions in commerce.
Mobile networks are unsuitable for real-time transactions in commerce.
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Explain how mobile networks benefit journalism.
Explain how mobile networks benefit journalism.
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The ______ is a protocol used for transferring files over the internet.
The ______ is a protocol used for transferring files over the internet.
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Match the following web terms with their descriptions:
Match the following web terms with their descriptions:
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Which of the following is NOT a common web browser?
Which of the following is NOT a common web browser?
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Uploading data refers to receiving data from a remote server.
Uploading data refers to receiving data from a remote server.
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What is the purpose of a web server?
What is the purpose of a web server?
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Clickable links that connect web pages or resources are called ______.
Clickable links that connect web pages or resources are called ______.
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Which protocol is primarily used to transfer web pages over the internet?
Which protocol is primarily used to transfer web pages over the internet?
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Flashcards
Network Interface Card (NIC)
Network Interface Card (NIC)
Hardware that connects a device to a network for communication.
World Wide Web (WWW)
World Wide Web (WWW)
A system of interlinked hypertext documents accessed via the internet.
Hypertext Markup Language (HTML)
Hypertext Markup Language (HTML)
The standard language for creating and structuring web pages.
Hypertext Transfer Protocol (HTTP)
Hypertext Transfer Protocol (HTTP)
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Web Server
Web Server
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Web Browser
Web Browser
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Uniform Resource Locator (URL)
Uniform Resource Locator (URL)
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File Transfer Protocol (FTP)
File Transfer Protocol (FTP)
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Upload
Upload
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Download
Download
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Local Area Network (LAN)
Local Area Network (LAN)
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Metropolitan Area Network (MAN)
Metropolitan Area Network (MAN)
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Wide Area Network (WAN)
Wide Area Network (WAN)
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Mobile Network
Mobile Network
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2G Network
2G Network
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4G Network
4G Network
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Bluetooth
Bluetooth
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Intranet
Intranet
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Switch
Switch
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Router
Router
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Study Notes
Types of Networks
- Local Area Network (LAN): Covers a small area (e.g., home, office); high-speed connection; uses Ethernet or Wi-Fi.
- Metropolitan Area Network (MAN): Covers a city or campus; larger than LAN, smaller than WAN; often used by organizations with multiple buildings.
- Wide Area Network (WAN): Covers large geographical areas (e.g., countries); connects multiple LANs/MANs; uses leased lines or satellites.
- Mobile Network: Wireless network for mobile devices; uses radio waves for communication; examples: 4G, 5G.
Mobile Network as Radio-Based Common Carrier
- Mobile networks use radio waves to transmit data between devices and towers.
- Operated by telecom companies (common carriers) providing public services.
Overview of Mobile Networks (2G to Current)
- 2G: Introduced digital voice and SMS; basic data services (e.g., GPRS).
- 3G: Faster data speeds for internet and video calls; enabled mobile browsing.
- 4G: High-speed internet for streaming and gaming; LTE (Long-Term Evolution) technology.
- 5G: Ultra-fast speeds, low latency; supports IoT, smart cities, and advanced applications.
Wireless Network Technologies
- Bluetooth: Short-range wireless communication; used for connecting devices (e.g., headphones, keyboards).
- Wi-Fi: Wireless local area networking; provides internet access within a limited range.
- Hotspot: A physical location offering Wi-Fi access; created by a router or mobile device.
Levels of Privacy
- Intranet: Private network within an organization; access restricted to authorized users.
- Extranet: Part of an intranet shared with external users (e.g., partners, clients); controlled access.
- Internet: Global public network; no access restrictions (open to all).
Basic Components and Functions
- Transmission Media:
- Wired: Twisted Pair (common in LANs - e.g., Ethernet cables), Coaxial (used for cable TV and internet), Fiber (high-speed, long-distance data transmission).
- Wireless: Infrared (short-range, line-of-sight communication), Microwave (long-distance, high-frequency waves), Satellite (global coverage, used in remote areas).
- Switch: Connects devices within a LAN; directs data to the correct device.
- Router: Connects different networks (e.g., LAN to WAN); directs data between networks.
- Modem: Converts digital data to analog signals for transmission over phone lines; connects to the ISP for internet access.
- Network Interface Card (NIC)/Network Adapter: Hardware that connects a device to a network; enables communication over the network.
Suitability of Mobile Networks to Various Applications
- Commerce: Enables mobile payments, e-commerce, and banking; supports real-time transactions.
- Journalism: Facilitates live reporting and instant updates; allows journalists to share content from remote locations.
Internet Concepts
- World Wide Web (WWW): A system of interlinked hypertext documents accessed via the internet.
- Hypertext Markup Language (HTML): The standard language for creating web pages.
- Hypertext Transfer Protocol (HTTP): The protocol used for transferring web pages on the internet.
- Hyperlinks: Clickable links that connect web pages or resources.
- Web Server: A server that hosts and delivers web pages to users.
- Web Page: A single document or page on the web, written in HTML.
- File Transfer Protocol (FTP): A protocol for transferring files over the internet.
- Web Browser: Software used to access and view web pages (e.g., Chrome, Firefox).
- Uniform Resource Locator (URL): The address of a web page or resource on the internet.
- Upload and Download: Upload: Sending data to a remote server; Download: Receiving data from a remote server.
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Description
Explore the various types of networks, including Local Area Networks, Metropolitan Area Networks, and Wide Area Networks. Understand the mechanisms of Mobile Networks and their evolution from 2G to 4G and beyond. This quiz will test your knowledge about network types and their characteristics.
