Clear roamers early and focus on controlling either the top floor (CEO) or basement (Server) to pressure the objective. Alternative Meanings If you were referring to a different subject:
Place lasers/utility under the bank truck and on tires to detect pushes. Bank.rar
Create head holes on the right side of the CEO office for a crossfire against attackers in the square/open office. Clear roamers early and focus on controlling either
Two CEO office walls to prevent easy entry from stairs or S2. Two CEO office walls to prevent easy entry from stairs or S2
The Risk Asset Ratio measures a bank's capital against its risk to ensure financial stability.
Based on the search results, "Bank.rar" most commonly refers to a (often shared in compressed RAR files for pro-league/ranked strategies) or, less likely in this context, a document related to the Risk Asset Ratio (RAR) in banking, or Old School RuneScape (OSRS) bank organization .