Model-View-Controller is an architectural pattern that defines ...

[natalie2426]

Model-View-Controller is an architectural pattern that defines application by ________ component(s).
 
  A) data model
  B) user interface
  C) control logic
  D) all of the above

Question 2

Bob uses his own private key to encrypt the message. When Alice receives the ciphertext she finds that she can decrypt it with Bob's public key, thus proving that the message must have been encrypted by Bob.
 
  No one else has Bob's
   private key and therefore no one else could have created a ciphertext that could
   be decrypted with Bob's public key. Therefore the entire encrypted message
   serves as a _________ .
  What will be an ideal response?

[johnpizzaz]

Answer to Question 1

D

Answer to Question 2

DIGITAL SIGNATURE