Which function evaluates a “true/false” expression and then performs one of two actions? A. Case B. IF C. IIF D. IsTrue

The correct answer is: C. IIF

The IIF function evaluates a “true/false” expression and then performs one of two actions, depending on whether the expression is true or false. The syntax for the IIF function is:

IIF(expression, value_if_true, value_if_false)

where:

• expression is a Boolean expression that evaluates to either true or false.
• value_if_true is the value that will be returned if the expression is true.
• value_if_false is the value that will be returned if the expression is false.

For example, the following code uses the IIF function to return the string “Hello” if the expression is true, and the string “Goodbye” if the expression is false:

Dim result As String
result = IIF(condition, "Hello", "Goodbye")

The IIF function is a powerful tool that can be used to conditionally return different values based on the result of a Boolean expression.

The other options are incorrect because they do not evaluate a “true/false” expression and then perform one of two actions.

• Option A, Case, is a function that returns a value based on the value of a variable or expression.
• Option B, IF, is a statement that executes a block of code if a condition is true.
• Option D, IsTrue, is a function that returns a Boolean value indicating whether a variable or expression is true.