Flashcards
1.3.3 Networks
Cards in this deck (22)
- 1Protocols,Set of rules for communication between devices
- 2Layering,Dividing a complex problem into sub-problems for maintenance
- 3Application layer,Handles production, reception, and packaging of data
- 4Transport layer,Establishes and terminates connections via routers
- 5Internet layer,Provides links across different network types
- 6Link layer,Transmits data through the physical network
- 7Domain name system (DNS),Converts URLs to IP addresses, involves local cache and root servers
- 8Local area network (LAN),Network over a defined, limited location, owned by an organisation
- 9Wide area network (WAN),Network over a large area, consists of interconnected LANs
- 10Packet switching,Sending data packets across a network, reassembled by receiver
- 11Advantages of packet switching,Improves performance, reliability, and network flexibility
- 12Firewall,Software or hardware that inspects and blocks data
- 13Proxy,Server between network and internet for data requests
- 14Uses of proxies,Caching, monitoring data traffic, security, privacy
- 15Encryption,Encrypts stored and transmitted data for security
- 16Network interface card (NIC),Enables computer connection to a network
- 17Router,Connects networks to the internet, forwards data packets
- 18Switches,Connects devices in a network using physical ports
- 19Wireless access point (WAP),Provides wireless signal for network device connection
- 20Transmission media (wires),Copper cables for cost, fiber optics for distance, wireless for flexibility
- 21Client-server model,Servers provide services, clients access services
- 22Peer to peer model,Direct sharing between users, useful for distributed systems
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- A level Computer Science Flashcards on 1.3.3 Networks, created by Ben Rawlins on 10/04/2024.
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- Ben Rawlins
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