Zend 200-710 Online Practice Questions and Exam Preparation

Zend 200-710 Online Questions & Answers

• Question 131:

  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 132:

  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.
  A. dom_import_simplexml()

• Question 133:

  What function allows resizing of PHP's file write buffer?

  A. ob_start()
  B. set_write_buffer()
  C. stream_set_write_buffer()
  D. Change the output_buffering INI setting via ini_set() function
  C. stream_set_write_buffer()

• Question 134:

  CORRECT TEXT

  Consider the following code. Which keyword should be used in the line marked with "KEYWORD" instead of "self" to make this code work as intended?

  abstract class Base {

  protected function __construct() {

  }

  public static function create() {

  return new self(); // KEYWORD

  }

  abstract function action();

  }

  class Item extends Base {

  public function action() { echo __CLASS__; }

  }

  $item = Item::create();

  $item->action(); // outputs "Item"

  static

• Question 135:

  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 136:

  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 137:

  CORRECT TEXT

  What is the output of the following code?

  class Number {

  private $v = 0;

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

  public function mul() {

  return function ($x) { return $this->v * $x; };

  }

  }

  $one = new Number(1);

  $two = new Number(2);

  $double = $two->mul()->bindTo($one);

  echo $double(5);

  5

• Question 138:

  What is the output of the following code? var_dump(boolval([]));

  A. bool(true)
  B. bool(false)
  B. bool(false)

• Question 139:

  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 140:

  Which technique should be used to speed up joins without changing their results?

  A. Add indices on joined columns
  B. Add a WHERE clause
  C. Add a LIMIT clause
  D. Use an inner join
  A. Add indices on joined columns