You can use multiple question marks in a search string

What CASE expression is used to compare a value expression to one or more single values?

a. Simple when clause b. Searched when clause c. Both a simple and a searched when clause d. Neither a simple or a searched when clause

Which of the following statements is false?

a) Lambda expressions allow you to define simple, anonymous methods. b) A lambda’s return type is listed to the left of the lambda. c) A delegate can hold a reference to a lambda expression that has a signature that’s compatible with the delegate type. d) A lambda expression is called via a variable that references it.