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A 2.2.2 Servers (HL only)
Servers are specialised computers that provide various services to network users, like hosting websites, storing files, and managing email. Different server types perform specific functions, and factors...
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A 2.2.1 Network Topologies
Network topology describes how devices connect in a network. Common types include star (central hub), mesh (fully interconnected), and hybrid (mix of topologies). Factors like cost, speed, and reliability...
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A 2.1.5 TCP/IP (HL Only)
The TCP/IP model is the foundation of Internet communication, dividing the process into four layers: Application, Transport, Internet, and Network Interface. Each layer plays a crucial role, from enabling...
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A 2.1.4 Network Protocols
Network protocols are the languages of the digital world, enabling devices to communicate. TCP ensures reliable data delivery, while UDP prioritizes speed. HTTP and HTTPS govern web communication, with...
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A 2.1.1 Network Characteristics
Networks connect devices for communication, resource sharing, and information access. They vary in size, from LANs (local) to WANs (wide), with PANs for personal use and VPNs for secure connections. Key...
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A 2.3.3 Packet Switching
Packet switching involves segmenting data into packets with routing headers attached. These packets are then transmitted independently across the network. At the destination, the data is reassembled....
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A 2.3.4 Static and Dynamic Routing (HL Only)
Thinking: Critical thinking, analyzing, comparing and contrasting, evaluating, and decision-making.Communication: Explaining complex concepts, collaborating in groups, and presenting information effectively.Research:...
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A 2.3.1 IP Addressing
Dive into the world of IP addressing! Learn about IPv4, IPv6, public vs. private, and static vs. dynamic addresses. Discover how Network Address Translation (NAT) conserves IP addresses and enhances security....
Activities
1.2 System Design Basics - Answers
1. Major Stakeholders: Passengers: The primary users of the travel card system.Transport Operators: The companies or organizations responsible for operating the different forms of public transport.City...
Activities
Topic 5.1 - Thinking Recursively - Answers
Remember: Parts of a Recursive Algorithm All recursive algorithms must have the following: The "work toward base case" is where we make the problem simpler. The recursive call, is where we use the same...