Namespaces - C++ Questions and Answers

This is the c++ programming questions and answers section on "Namespaces" with explanation for various interview, competitive examination and entrance test. Solved examples with detailed answer description, explanation are given and it would be easy to understand.

Namespaces C++ Questions

Online Test Name	Namespaces
Exam Type	Multiple Choice Questions
Category	Computer Science Engineering Quiz
Number of Questions	05

1. Which operator is used to signify the namespace?

A. conditional operator
B. ternary operator
C. scope operator
D. none of the mentioned

Answer & Explanation

Answer: Option C

Explanation:

scope operator

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2. Identify the correct statement

A. Namespace is used to group class, objects and functions.
B. Namespace is used to mark the beginning of the program.
C. Namespace is used to seperate the class, objects.
D. None of the above

Answer & Explanation

Answer: Option A

Explanation:

Namespace allow you to group class, objects and functions. It is used to divide the global scope into the sub-scopes.

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3. What is the use of Namespace?

A. To encapsulate the data
B. To structure a program into logical units.
C. Both a and b
D. none of the mentioned

Answer & Explanation

Answer: Option B

Explanation:

The main aim of the namespace is to understand the logical units of the program and to make the program so robust.

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4. What is the general syntax for accessing the namespace variable?

A. namespaceid::operator
B. namespace,operator
C. namespace#operator
D. none of the mentioned

Answer & Explanation

Answer: Option A

Explanation:

namespaceid::operator

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5. Which keyword is used to access the variable in namespace?

A. using
B. dynamic
C. const
D. static

Answer & Explanation

Answer: Option A

Explanation:

using