A- Central bank of Bahrain (CBB) employs three different instruments for managing monetary policy. Explain Bahrain maintains a fixed exchange rate between dinar and us dollar. the exchange rate use monetary policy. Low inflation and a stable currency are important there is so many features support a stable business environment and high levels of investment, both of domestic and foreign origin. B- Why monetary policy in Bahrain is centered on the Exchange Rate? which contributes to controlling inflation and protecting the external value of the currency C- Why foreign reserve management is very important to Bahrain Economy? D- What is the Deposits & Unrestricted Investment Accounts Protection Scheme that adopted by CBB since 2011? E- What are the differences between Al Salam Sukuk, Government Development Bonds and Treasury Bills as that issued by CBB.