Zend 200-710 Online Practice Questions and Exam Preparation

Zend 200-710 Online Questions & Answers

• Question 81:

  Which of the following is NOT a valid function declaration?

  A. function x ($x1 = array())
  B. function x (A $x1)
  C. function x (A $x1 = null)
  D. function x ($x1 = $x2)
  D. function x ($x1 = $x2)

• Question 82:

  How can you determine whether a PHP script has already sent cookies to the client?

  A. Use $_COOKIE
  B. Use the getcookie() function
  C. Use the headers_sent() function
  D. Use JavaScript to send a second HTTP request
  C. Use the headers_sent() function

• Question 83:

  What is the output of the following code? echo '1' . (print '2') + 3;

  A. 123
  B. 213
  C. 142
  D. 214
  E. Syntax error
  D. 214

• Question 84:

  What is the output of the following code?

  function fibonacci (and$x1 = 0, and$x2 = 1)

  {

  $result = $x1 + $x2;

  $x1 = $x2;

  $x2 = $result;

  return $result;

  }

  for ($i = 0; $i < 10; $i++) {

  echo fibonacci() . ',';

  }

  A. An error
  B. 1,1,1,1,1,1,1,1,1,1,
  C. 1,1,2,3,5,8,13,21,34,55,
  D. Nothing
  B. 1,1,1,1,1,1,1,1,1,1,

• Question 85:

  What is the output of the following code?

  function ratio ($x1 = 10, $x2)

  {

  if (isset ($x2)) {

  return $x2 / $x1;

  } } echo ratio (0);

  B. An integer overflow error
  C. A warning, because $x1 is not set
  D. A warning, because $x2 is not set
  E. A floating-point overflow error
  F. Nothing
  D. A warning, because $x2 is not set

• Question 86:

  In the following code, which line should be changed so it outputs the number 2:

  class A {

  protected $x = array(); /* A */

  public function getX() { /* B */

  return $this->x; /* C */

  }

  }

  $a = new A(); /* D */

  array_push($a->getX(), "one");

  array_push($a->getX(), "two");

  echo count($a->getX());

  A. No changes needed, the code would output 2 as is
  B. Line A, to: protected and$x = array();
  C. Line B, to: public function andgetX() {
  D. Line C, to: return and$this->x;
  E. Line D, to: $a =and new A();
  C. Line B, to: public function andgetX() {

• Question 87:

  What is the output of the following code?

  function z($x) {

  return function ($y) use ($x) {

  return str_repeat($y, $x);

  };

  }

  $a = z(2);

  $b = z(3);

  echo $a(3) . $b(2);

  A. 22333
  B. 33222
  C. 33322
  D. 222333
  B. 33222

• Question 88:

  Which of the following statements is NOT correct?

  A. Only methods can have type hints
  B. Typehints can be optional
  C. Typehints can be references
  A. Only methods can have type hints

• Question 89:

  Which of the following are NOT acceptable ways to create a secure password hash in PHP? (Choose 2)

  A. md5()
  B. hash_pbkdf2()
  C. password_hash()
  D. crypt()
  E. openssl_digest()
  A. md5()
  E. openssl_digest()

• Question 90:

  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
  D. None of the above