Zend 200-550 Online Practice Questions and Exam Preparation

Zend 200-550 Online Questions & Answers

• Question 131:

  Which class of HTTP status codes is used for redirections?

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

• Question 132:

  Which of the following techniques ensures that a value submitted in a form can only be yes or no ?

  A. Use a select list that only lets the user choose between yes and no .
  B. Use a hidden input field that has a value of yes or no .
  C. Enable the safe_mode configuration directive.
  D. None of the above.
  D. None of the above.

• Question 133:

  What will the following code print out? $str = 'and#10004; one of the following'; echo str_replace('and#10004;', 'Check', $str);

  A. Check one of the following
  B. one of the following
  C. and#10004; one of the following
  A. Check one of the following

• Question 134:

  In a shared hosting environment, session data can be read by PHP scripts written by any user. How can you prevent this? (Choose 2)

  A. Store session data in a different location with session.save_path .
  B. Store session data in a database.
  C. Enable safe_mode .
  D. Set session.name to something unique.
  A. Store session data in a different location with session.save_path .
  B. Store session data in a database.

• Question 135:

  What is the name of the header used to require HTTP authentication?

  A. Authorization-Required
  B. WWW-Authenticate
  C. HTTP-Authenticate
  D. Authentication-Required
  E. HTTP-Auth
  B. WWW-Authenticate

• Question 136:

  An object can be counted with count() and sizeof() if it...

  A. implements ArrayAccess
  B. has a public __count() method
  C. was cast to an object from an array
  D. None of the above
  D. None of the above

• Question 137:

  Given the following DateTime object, which sample will NOT alter the date to the value '2014-02-15'?

  $date = new DateTime('2014-03-15');

  A. $date->sub(new DateInterval('P1M'));
  B. $date->setDate(2014, 2, 15);
  C. $date->modify('-1 month');
  D. $date->diff(new DateInterval('-P1M'));
  D. $date->diff(new DateInterval('-P1M'));

• Question 138:

  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 139:

  What will be the result of the following operation? $a = array_merge([1,2,3] + [4=>1,5,6]); echo $a[2];

  A. 4
  B. 3
  C. 2
  D. false
  E. Parse error
  B. 3

• Question 140:

  What is the output of the following code?

  function increment ($val)

  {

  $_GET['m'] = (int) $_GET['m'] + 1;

  }

  $_GET['m'] = 1;

  echo $_GET['m'];

  1