In an E-R diagram, there are/is ________ business rule(s) for ...

[OSWALD]

In an E-R diagram, there are/is ________ business rule(s) for every relationship.
 
  A) two
  B) three
  C) one
  D) zero

Question 2

When two parties in an IPsec connection communicate back and forth, there are ________ security associations.
 
  A) 1
  B) 2
  C) 3
  D) 4

[aloop]

Answer to Question 1

A

Answer to Question 2

Answer: B