The _____ Guarantees That If a Portion of a Transaction

question 3

Multiple Choice

The _____ guarantees that if a portion of a transaction operation cannot be committed, all changes made at the other sites participating in the transaction will be undone to maintain a consistent database state.

• A) DO-UNDO-REDO protocol
• B) two-phase commit protocol (2PC)
• C) coordinator protocol
• D) write-ahead protocol

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Definitions:

Money Demand Curve

A graph showing the relationship between the quantity of money that people hold and the interest rate, indicating how the demand for money changes as interest rates vary.

Price Level

The general level of prices for goods and services in an economy, often measured by a price index.

Federal Reserve

The central banking system of the United States, which conducts the nation's monetary policy, regulates banks, maintains the stability of the financial system, and provides financial services to depository institutions, the U.S. government, and foreign official institutions.

Monetary Policy

Economic policy tools used by a central bank to control the supply of money, aiming to achieve macroeconomic objectives like controlling inflation, consumption, growth, and liquidity.