The simplest type of stream cipher, one in which one letter or character is exchanged for another, is known as what?

Which statement accurately describes the function of a query?

A) Queries manipulate data stored in tables, displaying only those records which match the query's criteria B) Queries manipulate data stored in tables, hiding only those records which match the query's criteria C) Queries delete data stored in tables, displaying only those records which match the query's criteria D) Queries edit data stored in tables, displaying only those records which match the query's criteria

Given the following pseudocode, what is stored in Puppy[3]?

```Declare Puppy[12] As Character Set Puppy = “ROVER”``` a. R b. O c. V d. E e. R