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    How many classes are provided by Zend to handle authentication in the Zend framework?
    
    
    
	70. How many classes are provided by Zend to handle authentication in the Zend framework?
    
      - 2
- 3
- 4
- 5
Answer: A) 2
    Explanation:
    Two classes are provided by Zend to handle authentication in the Zend framework:
    
      - Zend\Authentication\Adaptor\AdaptorInterface
- Zend\Authentication\AuthenticationService