Which one of the following activities is carried out by the back office?

Comprehensive and Detailed In-Depth Explanation:

The back office in a bank handles post-trade activities, including trade confirmations, settlement, clearing, and record-keeping, ensuring transactions are accurately processed and reconciled. Risk management (A) is typically a middle office function, trading (C) is front office, and marketing (D) is a business development role. Basel II and GARP’s FRR emphasize the segregation of duties, with confirmations as a core back-office responsibility to mitigate operational risk.