Answer:
Inverted page tables
Explanation:
Inverted page tables are indeed the ones used during broad address space, including such 64-bit addresses.
I think this process would be Decision-Making, because the scenario is that you have to decide on what topic you are going to pick, based on research and what you think would be the best resolution. I don't think that Conflict resolution would be correct because there is no conflict and neither Negotiation nor Verbal Communication have anything to do with this, so i believe it's safe to assume the correct answer would be Decision Making.