AS 91641 · 4 credits · Internal
WAN technologies
Demonstrate understanding of wide area network technologies
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In plain EnglishAI study guide · check the NZQA standard
This standard is about understanding how wide area networks (WANs) work—the technology that connects computers across large distances using the internet. You need to know about the different devices and methods used to build these networks, understand IP addressing and how routers manage traffic, and be able to explain why particular technologies are chosen for different network setups.
What to do, grades and common mistakes
What you actually do
- ·Describe WAN components (routers, modems, switches, cables, PCs) and explain why they are used in a network design
- ·Explain how WAN protocols (like Ethernet and ADSL) work and how they fit into a network's physical and logical structure
- ·Demonstrate understanding of IP addressing including static vs. dynamic addresses, subnet masks, and gateways
- ·Configure a router using its web interface—changing IP addresses, setting up DHCP, applying security passwords, and managing NAT settings
- ·Explain how Network Address Translation (NAT) works as a security feature and describe procedures for managing and monitoring a WAN link
AAchieved
You accurately describe what WAN technologies and components are, explain why routers and other devices are used, and show you understand IP addressing and basic protocols.
MMerit