Zend 200-550 Online Practice Questions and Exam Preparation

Zend 200-550 Online Questions & Answers

• Question 11:

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

• Question 12:

  Which class of HTTP status codes is used for server error conditions?

  A. 2XX
  B. 3XX
  C. 4XX
  D. 5XX
  D. 5XX

• Question 13:

  What will be the output of the following code?

  $a = array(0, 1, 2 => array(3, 4)); $a[3] = array(4, 5); echo count($a, 1);

  A. 4
  B. 5
  C. 8
  D. None of the above
  C. 8

• Question 14:

  You want to parse a URL into its single parts. Which function do you choose?

  A. parse_url()
  B. url_parse()
  C. get_url_parts()
  D. geturlparts()
  A. parse_url()

• Question 15:

  Consider the following code. What change must be made to the class for the code to work as written?

  class Magic {

  protected $v = array("a" => 1, "b" => 2, "c" => 3);

  public function __get($v) {

  return $this->v[$v];

  }

  }

  $m = new Magic();

  $m->d[] = 4;

  echo $m->d[0];

  A. Nothing, this code works just fine.
  B. Add __set method doing $this->v[$var] = $val
  C. Rewrite __get as: public function __get(and$v)
  D. Rewrite __get as: public function and__get($v)
  E. Make __get method static
  D. Rewrite __get as: public function and__get($v)

• Question 16:

  Given the following code, what is correct?

  function f(stdClass and$x = NULL) { $x = 42; }

  $z = new stdClass; f($z); var_dump($z);

  A. Error: Typehints cannot be NULL
  B. Error: Typehints cannot be references
  C. Result is NULL
  D. Result is object of type stdClass
  E. Result is 42
  E. Result is 42

• Question 17:

  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.
  A. A final class can be derived.
  E. Properties can be final.

• Question 18:

  Which of the following are valid identifiers? (Choose 3)

  A. function 4You() { }
  B. function _4You() { }
  C. function object() { }
  D. $1 = "Hello";
  E. $_1 = "Hello World";
  B. function _4You() { }
  C. function object() { }
  E. $_1 = "Hello World";

• Question 19:

  An HTML form contains this form element:

  When this form is submitted, the following PHP code gets executed:

  move_uploaded_file( $_FILES['myFile']['tmp_name'], 'uploads/' . $_FILES['myFile']['name'] );

  Which of the following actions must be taken before this code may go into production? (Choose 2)

  A. Check with is_uploaded_file() whether the uploaded file $_FILES['myFile']['tmp_name'] is valid
  B. Sanitize the file name in $_FILES['myFile']['name'] because this value is not consistent among web browsers
  C. Check the charset encoding of the HTTP request to see whether it matches the encoding of the uploaded file
  D. Sanitize the file name in $_FILES['myFile']['name'] because this value could be forged
  E. Use $HTTP_POST_FILES instead of $_FILES to maintain upwards compatibility
  B. Sanitize the file name in $_FILES['myFile']['name'] because this value is not consistent among web browsers
  D. Sanitize the file name in $_FILES['myFile']['name'] because this value could be forged

• Question 20:

  Which of the following is true about stream contexts? (Choose 2)

  A. A context can modify or enhance the behavior of a stream
  B. A context indicates what session the stream is part of
  C. A context is a set of parameters and stream wrapper specific options
  D. Contexts are created with new Stream_Context();
  A. A context can modify or enhance the behavior of a stream
  C. A context is a set of parameters and stream wrapper specific options