Consider the Following Code Snippet

question 31

Multiple Choice

Consider the following code snippet:
Public class Vehicle
{
Protected int numberAxles;
) . .
}
Data in the numberAxles variable can be accessed by ____.

• A) Only by the Vehicle class's methods and by all of its subclasses
• B) Only by the Vehicle class's methods, by all of its subclasses, and by methods in classes within the same package.
• C) Only by the Vehicle class's methods.
• D) By any class.

Comprehend the use of multivalued fields to enable selection of multiple options from a predefined list.

Identify the steps to transform lookup fields to regular fields for data manipulation.

Understand the importance and methods of setting validation rules for data input to prevent unreasonable data entries.

Understand the concepts and importance of indexing fields to improve database performance.

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Definitions:

Federal Reserve

The central banking system of the United States, responsible for conducting the nation's monetary policy and overseeing its banking system.

Excess Money

The surplus of cash beyond what is needed for immediate expenses or investments.

Price Level

The mean value of current prices for the economy's wide array of goods and services.

Price Level

An index reflecting the overall cost of commodities and services within an economy.