The __________ step is presenting or generating authentication ...

[B]

The __________ step is presenting or generating authentication information that corroborates the binding between the entity and the identifier.
 
  What will be an ideal response?

Question 2

Mobile commerce is conducted in each of the following ways except
 
  A) the Internet.
  B) the mail.
  C) private communication lines.
  D) other computing networks.

[Koolkid240]

Answer to Question 1

verification

Answer to Question 2

B

[B]

Thanks for the timely response, appreciate it

[cdmart10]

Wow, this really help