The Processing in the ____ Tier Ensures That Valid Data

question 55

Multiple Choice

The processing in the ____ tier ensures that valid data is entered into the program for processing in the business tier.

• A) validation
• B) presentation
• C) business
• D) persistence

---

Definitions:

Municipal Bond

A debt security issued by municipalities to finance public projects, often tax-exempt for investors.

Marginal Tax Bracket

The tax rate that applies to the last dollar of the taxpayer's income, indicating the percentage of tax applied to their highest level of income.

DAX

The Deutsche Aktienindex, a stock market index consisting of the 40 major German companies trading on the Frankfurt Stock Exchange.