Zend 200-550 Online Practice Questions and Exam Preparation

Zend 200-550 Online Questions & Answers

• Question 1:

  What is the name of the function that allows you register a set of functions that implement user-defined session handling?

  A. session_set_handler()
  B. session_set_storage_handler()
  C. session_register_handler()
  D. session_set_save_handler()
  D. session_set_save_handler()

• Question 2:

  What is the output of this code?

  $world = 'world'; echo <<<'TEXT' hello $world TEXT;

  A. hello world
  B. hello $world
  C. PHP Parser error
  C. PHP Parser error

• Question 3:

  Which PHP function is used to validate whether the contents of $_FILES['name']['tmp_name'] have really been uploaded via HTTP, and also save the contents into another folder?

  move_uploaded_file(), move_uploaded_file

• Question 4:

  How many elements does the array $pieces contain after the following piece of code has been executed?

  $pieces = explode("/", "///");

  B. 3
  C. 4
  D. 5
  C. 4

• Question 5:

  Which string will be returned by the following function call?

  $test = '/etc/conf.d/wireless';

  substr($test, strrpos($test, '/')); // note that strrpos() is being called, and not strpos()

  A. ""
  B. "/wireless"
  C. "wireless"
  D. "/conf.d/wireless"
  E. "/etc"
  B. "/wireless"

• Question 6:

  Which of the following is NOT a requirement for file uploads to work?

  A. The PHP directive file_uploads must be set to On
  B. The form's method attribute must be set to "post"
  C. The form must include a hidden input element with the name set to "MAX_FILE_SIZE"
  D. The form's enctype attribute must be set to "multipart/form-data"
  C. The form must include a hidden input element with the name set to "MAX_FILE_SIZE"

• Question 7:

  Which of the following is correct? (Choose 2)

  A. A class can extend more than one class.
  B. A class can implement more than one class.
  C. A class can extend more than one interface.
  D. A class can implement more than one interface.
  E. An interface can extend more than one interface.
  F. An interface can implement more than one interface.
  D. A class can implement more than one interface.
  E. An interface can extend more than one interface.

• Question 8:

  Consider the following table data and PHP code. What is a possible outcome?

  Table data (table name "users" with primary key "id"):

  id name email

  1 anna [email protected]

  2 betty [email protected]

  3 clara [email protected]

  5 sue [email protected]

  PHP code (assume the PDO connection is correctly established):

  $dsn = 'mysql:host=localhost;dbname=exam';

  $user = 'username';

  $pass = '********';

  $pdo = new PDO($dsn, $user, $pass);

  $cmd = "SELECT name, email FROM users LIMIT 1";

  $stmt = $pdo->prepare($cmd);

  $stmt->execute();

  $result = $stmt->fetchAll(PDO::FETCH_BOTH);

  $row = $result[0];

  A. The value of $row is `array(0 => 'anna', 1 => '[email protected]')`.
  B. The value of $row is `array('name' => 'anna', 'email' => '[email protected]')`.
  C. The value of $row is `array(0 => 'anna', 'name' => 'anna', 1 => '[email protected]', 'email' => '[email protected]')`.
  D. The value of $result is `array('anna' => '[email protected]')`.
  C. The value of $row is `array(0 => 'anna', 'name' => 'anna', 1 => '[email protected]', 'email' => '[email protected]')`.

• Question 9:

  Which is the most efficient way to determine if a key is present in an array, assuming the array has no NULL values?

  A. in_array('key', array_keys($a))
  B. isset($a['key'])
  C. array_key_exists('key', $a)
  D. None of the above
  B. isset($a['key'])

• Question 10:

  Which of the following statements about exceptions is correct? (Choose 2)

  A. you can only throw classes derived from Exception
  B. a try block can have multiple catch blocks
  C. a try block must not be followed by a catch block
  D. try blocks cannot contain nested try blocks
  A. you can only throw classes derived from Exception
  B. a try block can have multiple catch blocks