正解:C
Business Application records represent logical applications from a portfolio, ownership, investment, risk, and lifecycle perspective. They are principally used by Application Portfolio Management and Enterprise Architecture to support application rationalization .
Rationalization enables an organization to evaluate applications based on factors such as business value, technical fitness, cost, risk, lifecycle status, capability alignment, and functional redundancy. Decision-makers can then determine whether an application should be invested in, tolerated, migrated, consolidated, replaced, or retired.
Application availability is normally monitored through operational Application Services and their supporting infrastructure rather than through the logical Business Application record. Change impact analysis also relies mainly on Application Services, service maps, and relationships to affected infrastructure CIs.
Because Business Applications belong to the Design and Planning context and provide strategic portfolio information, application rationalization is the appropriate business-decision use case Bottom of Form