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What is cloud computing?
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Cloud computing is the delivery of computing services, including storage, databases, and networking, over the internet ('the cloud').
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Describe the concept of 'peer-to-peer' network.
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In a peer-to-peer network, each computer can act as a client and a server, sharing resources directly with one another without a centralized server.
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What is the function of a VPN?
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A VPN, or Virtual Private Network, extends a private network across a public network, enabling secure remote access and data transmission.
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How does Voice over IP (VoIP) work?
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VoIP converts voice calls into digital signals that travel over the internet, allowing for phone services over the network.
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What is a 'client-server' network model?
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In a client-server model, a server provides resources or services, and clients request those resources or services.
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What is DSL in internet connectivity?
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Digital Subscriber Line (DSL) is an internet connectivity option that transmits data over standard telephone lines.
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Why is mesh topology used in networks?
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Mesh topology offers high redundancy and reliability because each node is interconnected, providing multiple pathways for data.
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What is Bluetooth technology used for?
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Bluetooth technology is used for short-range wireless communication between devices like phones, computers, and audiovisual equipment.
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What are the benefits of using fiber-optic cables in networking?
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Fiber-optic cables offer high-speed data transmission and are less susceptible to electromagnetic interference compared to copper wires.
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What is an SSID in Wi-Fi networks?
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SSID, or Service Set Identifier, is the name of a Wi-Fi network that devices use to identify and join the network.
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Explain 'network latency'.
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Network latency is the time it takes for data to travel from the source to the destination across a network.
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What is a hotspot?
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A hotspot is a physical location where people can access the internet, typically using Wi-Fi, through a network provider.
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Why are network protocols like HTTP and HTTPS important?
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HTTP and HTTPS are protocols that define how messages are formatted and transmitted on the web, with HTTPS providing secure communications through encryption.
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What is network congestion?
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Network congestion occurs when a network or part of a network experiences overloaded traffic, leading to data packet delays or losses.
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What does 'Network Interface Card' (NIC) do?
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A NIC is a hardware component that allows a computer to connect to a network, providing the interface for network communication.
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