Zend 200-550 Online Practice Questions and Exam Preparation

Zend 200-550 Online Questions & Answers

• Question 61:

  What is the name of the PHP function used to automatically load non-yet defined classes?

  A. autoload()
  B. __autoload()
  C. __catch()
  D. load()
  E. loadClass()
  B. __autoload()

• Question 62:

  Which methods can be used to overload object properties? (Choose 2)

  A. set(), get()
  B. __set(), __get()
  C. __put(), __receive(), __exists()
  D. set(), get(), isset()
  E. __isset(), __unset()
  B. __set(), __get()
  E. __isset(), __unset()

• Question 63:

  An HTML form has two submit buttons. After submitting the form, how can you determine with PHP which button was clicked?

  A. An HTML form may only have one button.
  B. You cannot determine this with PHP only. You must use JavaScript to add a value to the URL depending on which button has been clicked.
  C. Put the two buttons in different forms, but make sure they have the same name.
  D. Assign name and value attributes to each button and use $_GET or $_POST to find out which button has been clicked.
  D. Assign name and value attributes to each button and use $_GET or $_POST to find out which button has been clicked.

• Question 64:

  What is the return value of the following code: substr_compare("foobar", "bar", 3);

  A. -1
  B. 1
  C. TRUE
  E. FALSE
  D

• Question 65:

  What is the output of the following code?

  class Number {

  private $v;

  private static $sv = 10;

  public function __construct($v) { $this->v = $v; }

  public function mul() {

  return static function ($x) {

  return isset($this) ? $this->v*$x : self::$sv*$x;

  };

  }

  }

  $one = new Number(1);

  $two = new Number(2);

  $double = $two->mul();

  $x = Closure::bind($double, null, 'Number');

  echo $x(5);

  A. 5
  B. 10
  C. 50
  D. Fatal error
  C. 50

• Question 66:

  What DOMElement method should be used to check for availability of a non-namespaced attribute?

  A. getAttributeNS()
  B. getAttribute()
  C. hasAttribute()
  D. hasAttributeNS()
  C. hasAttribute()

• Question 67:

  Which of the following items in the $_SERVER superglobal are important for authenticating the client when using HTTP Basic authentication? (Choose 2)

  A. PHP_AUTH_TYPE
  B. PHP_AUTH_PASSWORD
  C. PHP_AUTH_DIGEST
  D. PHP_AUTH_PW
  E. PHP_AUTH_USER
  D. PHP_AUTH_PW
  E. PHP_AUTH_USER

• Question 68:

  What super-global should be used to access information about uploaded files via a POST request?

  A. $_SERVER
  B. $_ENV
  C. $_POST
  D. $_FILES
  E. $_GET
  D. $_FILES

• Question 69:

  When uploading a file to a PHP script using the HTTP PUT method, where would the file data be found?

  A. the $_FILES super-global
  B. the input stream php://input
  C. the $_POST super-global
  D. the global variable scope
  B. the input stream php://input

• Question 70:

  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
  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