🧠 Section A · Concept Check ● BEGINNER 4 × 1 = 4
🧮 Section B · Problem Solving ● INTERMEDIATE 2 + 3×3 = 11
5IPv6 is written in hextets.
6Global unicast commonly begins with ::/3 range (2000).
🚀 Section C · Challenge ● CHALLENGE 5
✂ answer key — fold or cut before handing out
1-A 2-A 3-A 4-A | 5 8 6 2000 7 = 2001:db8::1 8 = GUA: routable internet address; LLA: local-segment only (FE80) 9 = Local protocols (routing, NDP, gateway) run over it | 10 = Multicast (e.g. all-nodes FF02::1)