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Question

When is a variable called extending access beyond visibility?

a.

Passing a reference as an argument

b.

Passing an argument by reference (which uses aliasing)

c.

Returning a reference from a sub-program

d.

All of the mentioned

Posted under Visibility,Accessibility and Information Hiding Software Architecture and Design

Answer: (d).All of the mentioned

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Q. When is a variable called extending access beyond visibility?
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