True Or False

Question 11 :

Specifying a key ensures that no two objects belonging to a class have the same value for the key attribute(s).


A). True
B). False
Answer : Option A

Question 12 :

If you know all the possible values that an attribute can have, you can enumerate those values in ODL.


A). True
B). False
Answer : Option A

Question 13 :

You may specify an object identifier with only one unique tag name.


A). True
B). False
Answer : Option B

Question 14 :

In ODL, you specify an operation using parentheses after its name.


A). True
B). False
Answer : Option A

Question 15 :

An ordered collection of elements of the same type are called sets.


A). True
B). False
Answer : Option B