Zend Zend Certifications 200-710 Questions & Answers

• Question 121:

  How many elements does the array $pieces contain after the following piece of code has been executed? $pieces = explode("/", "///");

  A. 0

  B. 3

  C. 4

  D. 5

  Correct Answer: C

• Question 122:

  What will the $array array contain at the end of this script?

  function modifyArray (and$array)

  {

  foreach ($array as and$value)

  {

  $value = $value + 1;

  }

  $value = $value + 2;

  }

  $array = array (1, 2, 3);

  modifyArray($array);

  A. 2, 3, 4

  B. 2, 3, 6

  C. 4, 5, 6

  D. 1, 2, 3

  Correct Answer: B

• Question 123:

  What is the output of the following code?

  $text = 'This is text';

  $text1 = <<<'TEXT'

  $text

  TEXT;

  $text2 = <<

  $text1

  TEXT;

  echo "$text2";

  A. This is text

  B. $text

  C. $text1

  D. $text2

  Correct Answer: B

• Question 124:

  Which options do you have in PHP to set the expiry date of a session?

  A. Set the session.duration directive in php.ini

  B. Set session cookie expiry date locally via session_set_cookie_params()

  C. Set session expiry date locally via session_cache_expire()

  D. None of the above

  Correct Answer: D

• Question 125:

  Which of the following are valid identifiers? (Choose 3)

  A. function 4You() { }

  B. function _4You() { }

  C. function object() { }

  D. $1 = "Hello";

  E. $_1 = "Hello World";

  Correct Answer: BCE

• Question 126:

  Which of the following statements are FALSE?

  A. SimpleXML allows removal of attributes.

  B. SimpleXML allows addition of new attributes.

  C. SimpleXML allows removal of nodes.

  D. SimpleXML allows addition of new nodes.

  E. None of the above

  Correct Answer: E

• Question 127:

  When using password_hash() with the PASSWORD_DEFAULT algorithm constant, which of the following is true? (Choose 2)

  A. The algorithm that is used for hashing passwords can change when PHP is upgraded.

  B. The salt option should always be set to a longer value to account for future algorithm requirements.

  C. The string length of the returned hash can change over time.

  D. The hash algorithm that's used will always be compatible with crypt() .

  Correct Answer: AC

• Question 128:

  Which of the following expressions will evaluate to a random value from an array below? $array = array("Sue","Mary","John","Anna");

  A. array_rand($array);

  B. array_rand($array, 1);

  C. shuffle($array);

  D. $array[array_rand($array)];

  E. array_values($array, ARRAY_RANDOM);

  Correct Answer: D

• Question 129:

  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()

  Correct Answer: BD

• Question 130:

  How should you track errors on your production website?

  A. Enabling display_errors

  B. Enabling log_errors

  C. Having a site-wide exception handler

  D. Setting error_reporting to E_ALL and ~E_NOTICE

  Correct Answer: B