The configuration of a(n) ____ is the main difference between the Basic and Advance firewall wizards.

Local variables must be ________.

a. initialized when they are declared. b. initialized before their values are used in an expression. c. declared and initialized in two steps. d. declared at the top of the method.

The ____ property of an array contains the number of elements in an array.

A. Number B. Length C. Value D. Dimension