The difference between bottom-up methods for measuring operational risk and top-down methods for measuring operational risk is that bottom-up methods focus on:
　　A. quantitative rather than qualitative measures of risk.
　　B. loss indicators rather than just loss causes.
　　C. qualitative rather than quantitative measures of risk.
　　D. loss causes rather than just loss indicators.
　　Answer:D
　　The bottom-up difference is that the focus is on loss causes rather than just loss indicators. Bottom-up operational risk measures may be either quantitative or qualitative.