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What is a computer network?
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A computer network is a system of interconnected computers that share resources and information.
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Name the four basic types of networks.
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Personal Area Network (PAN), Local Area Network (LAN), Metropolitan Area Network (MAN), and Wide Area Network (WAN).
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What is LAN?
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LAN, or Local Area Network, is a network that connects computers within a small geographic area like a home, school, or office building.
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What is the main purpose of a router in a network?
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A router directs data packets between networks, determining the best path for data transmission.
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What is a network topology?
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Network topology refers to the physical or logical arrangement of computers and devices in a network.
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What is the function of a switch in networking?
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A switch connects devices within a LAN and uses MAC addresses to forward data to the correct destination.
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What distinguishes a WAN from a LAN?
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A WAN covers a large geographic area, such as cities or countries, while a LAN covers a smaller area like a single building.
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What is Wi-Fi?
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Wi-Fi is a technology that allows devices to connect to the internet wirelessly using radio waves.
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What does the term 'bandwidth' refer to in networking?
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Bandwidth refers to the maximum rate of data transfer across a network path.
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What is an IP address?
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An IP address is a unique string of numbers separated by periods that identifies each computer using the Internet Protocol to communicate over a network.
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Explain the significance of a protocol in networking.
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A protocol is a set of rules for data transfer between devices on a network, ensuring proper communication.
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What is the difference between IPv4 and IPv6?
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IPv4 uses a 32-bit address scheme allowing for 4.3 billion addresses, while IPv6 uses 128-bit addressing for a vastly larger number of unique addresses.
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What role does a modem play in networking?
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A modem modulates and demodulates signals for data transmission over phone lines, cables, or satellites, connecting networks to the internet.
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What is Ethernet?
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Ethernet is a common method for connecting devices in a LAN, using cables and protocols to enable communication.
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Define 'firewall' in the context of computer networks.
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A firewall is a security device that monitors and controls incoming and outgoing network traffic based on predetermined rules.
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