Zend 200-550 Online Practice Questions and Exam Preparation

Zend 200-550 Online Questions & Answers

• Question 201:

  From your PHP application, how can you send the same header twice, but with different values?

  A. Set the second argument of the header() function to false
  B. PHP does that automatically
  C. You may only send a particular type of header once
  D. Use the header_add() function
  A. Set the second argument of the header() function to false

• Question 202:

  Which line of code can be used to replace the INSERT comment in order to output "hello"? class C { public $ello = 'ello';

  public $c;

  public $m;

  function __construct($y) {

  $this->c = static function($f) {

  // INSERT LINE OF CODE HERE

  };

  $this->m = function() {

  return "h";

  };

  }

  }

  $x = new C("h");

  $f = $x->c;

  echo $f($x->m);

  A. return $this->m() . "ello";
  B. return $f() . "ello";
  C. return "h". $this->ello;
  D. return $y . "ello";
  B. return $f() . "ello";

• Question 203:

  Which of the following PHP functions can be used to set the HTTP response code? (Choose 2)

  A. header_add()
  B. header()
  C. http_set_status()
  D. http_response_code()
  E. http_header_set()
  B. header()
  D. http_response_code()

• Question 204:

  What is the name of the key for the element in $_FILES['name'] that contains the provisional name of the uploaded file?

  tmp_name

• Question 205:

  Consider the following table data and PHP code. What is the 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);

  try {

  $cmd = "INSERT INTO users (id, name, email) VALUES (:id, :name, :email)"; $stmt = $pdo->prepare ($cmd);

  $stmt->bindValue('id', 1);

  $stmt->bindValue('name', 'anna');

  $stmt->bindValue('email', '[email protected]');

  $stmt->execute();

  echo "Success!";

  } catch (PDOException $e) {

  echo "Failure!";

  throw $e;

  }

  A. The INSERT will succeed and the user will see the "Success!" message.
  B. The INSERT will fail because of a primary key violation, and the user will see the "Success!" message.
  C. The INSERT will fail because of a primary key violation, and the user will see a PDO warning message.
  D. The INSERT will fail because of a primary key violation, and the user will see the "Failure!" message.
  B. The INSERT will fail because of a primary key violation, and the user will see the "Success!" message.

• Question 206:

  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.
  C. SOAP requires developers to use WSDL.

• Question 207:

  Which MIME type is always sent by a client if a JPEG file is uploaded via HTTP?

  A. image/jpeg
  B. image/jpg
  C. image/pjpeg
  D. Depends on the client system
  D. Depends on the client system

• Question 208:

  What is the output of the following code?

  function increment ($val)

  {

  ++$val;

  }

  $val = 1;

  increment ($val);

  echo $val;

  1

• Question 209:

  Which one of the following XML declarations is NOT valid?

  D

• Question 210:

  What is "instanceof" an example of?

  A. a boolean
  B. an operator
  C. a function
  D. a language construct
  E. a class magic
  B. an operator