In a class diagram, a multiplicity specification of 0..1 ...

[jc611]

In a class diagram, a multiplicity specification of 0..1 indicates optional one.
 
  Indicate whether the statement is true or false

Question 2

Testing to assure that data is of proper type is the purpose of the:
 
  A) expected values validation test.
  B) range validation test.
  C) class or composition validation test.
  D) values validation test.
  E) self-checking digits validation test.

[snackralk]

Answer to Question 1

TRUE
Explanation: This is similar to the E-R diagram's equivalent of 01.
CL

Answer to Question 2

C
Explanation: C) For instance, you can test to ensure that all data is all numeric or alphanumeric.
CL

[jc611]

Excellent

[xiazhe]

Thanks for the timely response, appreciate it