A _____ is a central storehouse of information about a system's data.?

A PKI consists of a ________ hierarchy if there is a root CA that issues certificates to one or more intermediate CAs, which in turn issue certificates to issuing CAs

a. One-tier b. Two-tier c. Three-tier d. Four-tier

What is displayed when the button is clicked on?

``` Private Sub btnDisplay_Click(...) Handles btnDisplay.Click Dim a, b as String Dim x as Integer a = "How now brown cow." b = "brown" x = FindIt(a, b) txtBox.Text = CStr(x) End Sub Function FindIt(z1 as String, z2 as String) As Integer Dim x as Integer x = z1.IndexOf(z2) End Function ``` (A) "How now" (B) 8 (C) 0 (D) An error (E) None of the above