Which is the Excel operator for exponentiation?

When Internet service providers (ISP) needed a way to create a connection between the customer router and the ISP router that provided a method of authenticating DSL users, what technology was created?

A) PPP B) HDLC C) HDLCoA D) PPPoE

An if statement that includes an else clause is called a(n) ____________________ statement.

Fill in the blank(s) with the appropriate word(s).