Answer: 1

According to Snowflake documentation and the community discussion consensus, only one resource monitor can be assigned at the account level. This account-level monitor controls credit usage for all warehouses in the account. While an account can have multiple warehouse monitors (which monitor specific warehouses), there can only be one account-level monitor. The community discussion shows 100% agreement on answer A, with multiple comments citing official Snowflake documentation that confirms a single monitor can be set at the account level to control credit usage for all warehouses.

Author: LeetQuiz Editorial Team