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Q7(b) · NAT four packet stages

2024-12-06 · AI-only Sem V variant

Exact historical variant. Current-syllabus questions solved; excluded topics and source limitations stated.

Q7(b). Host10.0.1.10:3469 sends to128.119.166.184:80 through public address135.122.101.214. For outbound before/after NAT and inbound before/after NAT, identify source/destination IPs, whether source port changes, and whether a new NAT-table entry is made. The pictured existing table concerns10.0.1.20 rather than the sending host. [10 marks]

Answer

This historical topic is not named in the current six-unit syllabus. It is recorded for a complete paper inventory, but excluded from the required preparation and current-unit mark totals.