Zend 200-550 Exam Questions & Answers

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Questions 1

When would you use classes and when would you use namespaces?

A. Use classes to encapsulate code and represent objects, and namespaces to avoid symbol name collisions

B. Use classes for performance-sensitive code, and namespaces when readability matters more

C. Use namespaces for performance-sensitive code, and classes when readability matters more

D. Always use them; namespaces are always superior to classes

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Questions 2

Which of the following statements about PHP is false? (Choose 2)

A. A final class can be derived.

B. A final class may be instantiated.

C. A class with a final function may be derived.

D. Static functions can be final.

E. Properties can be final.

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Questions 3

What is the output of the following code? echo 0x33, ' monkeys sit on ', 011, ' trees.';

A. 33 monkeys sit on 11 trees.

B. 51 monkeys sit on 9 trees.

C. monkeys sit on trees.

D. 0x33 monkeys sit on 011 trees.

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