Zend Zend Certifications 200-710 Questions & Answers

• Question 91:

  An unbuffered database query will: (Choose 2) A. Return the first data faster

  B. Return all data faster

  C. Free connection faster for others scripts to use

  D. Use less memory

  Correct Answer: AD

• Question 92:

  What is the output of the following code?

  class Foo Implements ArrayAccess {

  function offsetExists($k) { return true;}

  function offsetGet($k) {return 'a';}

  function offsetSet($k, $v) {}

  function offsetUnset($k) {}

  }

  $x = new Foo();

  echo array_key_exists('foo', $x)?'true':'false';

  A. true

  B. false

  Correct Answer: B

• Question 93:

  Which of the following statements is NOT correct?

  A. Only methods can have type hints

  B. Typehints can be optional

  C. Typehints can be references

  Correct Answer: A

• Question 94:

  Which of the following statements about anonymous functions in PHP are NOT true? (Choose 2)

  A. Anonymous functions can be bound to objects

  B. Anonymous functions created within object context are always bound to that object

  C. Assigning closure to a property of an object binds it to that object

  D. Methods bind() and bindTo() of the Closure object provide means to create closures with different binding and scope

  E. Binding defines the value of $this and the scope for a closure

  Correct Answer: BC

• Question 95:

  What is the difference between the spaceship operator (<=>) and the strcmp() function?

  A. There is no difference in functionality

  B. strcmp() returns a Boolean value, the spaceship operator a number

  C. strcmp() does a case-intensive comparison, the spaceship operator does not

  D. The spaceship operator returns -1, 0 or 1; strcmp() may return any integer

  Correct Answer: D

• Question 96:

  An HTML form contains this form element:

  The user clicks on the image to submit the form. How can you now access the relative coordinates of the mouse click?

  A. $_FILES['myImage']['x'] and $_FILES['myImage']['y']

  B. $_POST['myImage']['x'] and $_POST['myImage']['y']

  C. $_POST['myImage.x'] and $_POST['myImage.y']

  D. $_POST['myImage_x'] and $_POST['myImage_y']

  Correct Answer: D

• Question 97:

  Which of the following statements about SOAP is NOT true?

  A. SOAP is also a request-/response-based protocol.

  B. SOAP can be transported using SMTP, HTTP and other protocols.

  C. SOAP requires developers to use WSDL.

  D. SOAP traffic via HTTP can be encrypted and compressed just like other HTTP requests.

  Correct Answer: C

• Question 98:

  How can a SimpleXML object be converted to a DOM object?

  A. dom_import_simplexml()

  B. dom_export_simplexml()

  C. simplexml_import_dom()

  D. SimpleXML2Dom()

  E. None of the above.

  Correct Answer: A

• Question 99:

  What is the name of the method that can be used to provide read access to virtual properties in a class?

  A. __call()

  B. __get()

  C. __set()

  D. __wakeup()

  E. __fetch()

  Correct Answer: B

• Question 100:

  You need to escape special characters to use user input inside a regular expression. Which functions would you use? (Choose 2)

  A. addslashes()

  B. htmlentities()

  C. preg_quote()

  D. regex_quote()

  E. quote_meta()

  Correct Answer: CE