Project Team A delivers Domain Service Inventory A with 20 services. If Project Team B delivers Domain Service Inventory B with 50 services, how many services are in the Enterprise Service Inventory?

Question

Options

• A20
• B50
• C70
• DAn enterprise service inventory is not comprised of domain service inventories.

• A
  12% (3)
• B
  4% (1)
• C
  15% (4)
• D
  69% (18)

Explanation

Option D is correct because, in SOA governance, an Enterprise Service Inventory and Domain Service Inventories are alternative inventory scopes, not a hierarchy where you combine smaller inventories into a larger one - choosing a domain-scoped approach means you do not have an enterprise inventory, and vice versa.

Why the distractors are wrong:

• A (20) and B (50) each count only one team's domain inventory, ignoring the other entirely - a simple counting error that misses the conceptual issue altogether.
• C (70) is the most tempting trap: it correctly adds both teams' services but wrongly assumes an Enterprise Service Inventory is simply the union of Domain Service Inventories, which contradicts how SOA inventory scopes are defined.

Memory tip: Think of Enterprise vs. Domain Service Inventories as two roads to the same destination - you pick one path or the other. You can't "merge" two domain roads into an enterprise road; they were never designed to be combined.

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