Zend Zend Certifications 200-710 Questions & Answers

• Question 51:

  What is the output of the following code?

  class a

  {

  public $val;

  }

  function renderVal (a $a)

  {

  if ($a) {

  echo $a->val;

  }

  }

  renderVal (null);

  A. A syntax error in the function declaration line

  B. An error, because null is not an instance of 'a'

  C. Nothing, because a null value is being passed to renderVal()

  D. NULL

  Correct Answer: B

• Question 52:

  What is the output of the following code?

  echo 0x33, ' monkeys sit on ', 011, ' trees.';

  A. 33 monkeys sit on 11 trees.

  B. 51 monkeys sit on 9 trees.

  C. monkeys sit on trees.

  D. 0x33 monkeys sit on 011 trees.

  Correct Answer: B

• Question 53:

  What is the output of the following code?

  class test {

  public $value = 0;

  function test() {

  $this->value = 1;

  }

  function __construct() {

  $this->value = 2;

  }

  }

  $object = new test();

  echo $object->value;

  A. 2

  B. 1

  C. 0

  D. 3

  E. No Output, PHP will generate an error message.

  Correct Answer: A

• Question 54:

  Which of the following parts must a XML document have in order to be well-formed?

  A. An XML declaration

  B. A root element

  C. A specified encoding

  D. A reference to either a DTD or an XML schema definition

  Correct Answer: B

• Question 55:

  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()

  Correct Answer: D

• Question 56:

  What method can be used to find the tag via the DOM extension?

  A. getElementById()

  B. getElementsByTagName()

  C. getElementsByTagNameNS()

  D. getElementByName()

  E. findTag()

  Correct Answer: B

• Question 57:

  Which of the following does NOT help to protect against session hijacking and fixation attacks?

  A. Use SSL and set the $secure cookie parameter to true .

  B. Set the session.use_only_cookies php.ini parameter to 1 .

  C. Set the session.cookie_lifetime php.ini parameter to 0 .

  D. Protect against XSS vulnerabilities in the application.

  E. Rotate the session id on successful login and logout using session_regenerate_id()

  Correct Answer: C

• Question 58:

  What is the length of a string returned by: md5(rand(), TRUE);

  A. Depends on the value returned by rand() function

  B. 32

  C. 24

  D. 16

  E. 64

  Correct Answer: D

• Question 59:

  What is the output of the following code?

  

  A. string(0) ""

  B. bool(false)

  C. string(1) "!"

  D. string(2) "k!"

  Correct Answer: C

• Question 60:

  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

  Correct Answer: A