Zend 200-710 Online Practice Questions and Exam Preparation

Zend 200-710 Online Questions & Answers

• Question 111:

  What is the output of the following code?

  class Bar {

  private $a = 'b';

  public $c = 'd';

  }

  $x = (array) new Bar();

  echo array_key_exists('a', $x) ? 'true' : 'false';

  echo '-';

  echo array_key_exists('c', $x) ? 'true' : 'false';

  A. false-false
  B. false-true
  C. true-false
  D. true-true
  B. false-true

• Question 112:

  When a class is defined as final it:

  A. Can no longer be extended by other classes.
  B. Means methods in the class are not over-loadable.
  C. Cannot be defined as such, final is only applicable to object methods.
  D. Cannot be instantiated.
  A. Can no longer be extended by other classes.

• Question 113:

  Your application uses PHP to accept and process file uploads. It fails to upload a file that is 5 MB in size, although upload_max_filesize is set to "10M". Which of the following configurations could be responsible for this outcome? (Choose 2)

  A. The PHP configuration option post_max_size is set to a value that is too small
  B. The web server is using an incorrect encoding as part of the HTTP response sent to the client
  C. The browser uses an incorrect encoding as part of the HTTP request sent to the server
  D. The hidden form field MAX_FILE_SIZE was set to a value that is too small
  E. PHP cannot process file uploads larger than 4 MB
  A. The PHP configuration option post_max_size is set to a value that is too small
  D. The hidden form field MAX_FILE_SIZE was set to a value that is too small

• Question 114:

  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";
  B. function _4You() { }
  C. function object() { }
  E. $_1 = "Hello World";

• Question 115:

  Which of the following statements about Reflection is correct? Which of the following statements about Reflection are correct?

  A. Reflection is an extension that can be disabled
  B. Reflection is a new extension present only in PHP 7.0+
  C. Reflection only allows to reflect on built-in classes
  D. Built-in classes can be reflected on command line using php --rc
  D. Built-in classes can be reflected on command line using php --rc

• Question 116:

  Which php.ini setting is usually required to use an opcode cache?

  A. extension
  B. zend_extension
  C. optimizer
  D. dl
  B. zend_extension

• Question 117:

  Which of these elements can be encapsulated by namespaces and made accessible from the outside?

  A. Only classes
  B. Classes, functions and constants
  C. Classes, functions, constants and variables
  B. Classes, functions and constants

• Question 118:

  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 119:

  What is the output of the following code?

  echo "1" + 2 * "0x02";

  A. 1
  B. 3
  C. 5
  D. 20
  E. 7
  C. 5

• Question 120:

  You want to parse a URL into its single parts. Which function do you choose?

  A. parse_url()
  B. url_parse()
  C. get_url_parts()
  D. geturlparts()
  A. parse_url()