Question: How can you modify your code to avoid an accidental descent to an undefined state? A . By using the WHEN OTHERS = > clause.

How can you modify your code to avoid an accidental descent to an undefined state?
A.
By using the WHEN OTHERS => clause.
B.
By explicit mentioning of every single undefined state.
C.
It is not necessary to modify the code as it is impossible to enter an undefined state.
D.
Both A and B are correct statements.

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