Zend 200-710 Online Practice Questions and Exam Preparation

Zend 200-710 Online Questions & Answers

• Question 221:

  Is the following code vulnerable to SQL Injection ($mysqli is an instance of the MySQLi class)?

  $age = $mysqli->real_escape_string($_GET['age']);

  $name = $mysqli->real_escape_string($_GET['name']);

  $query = "SELECT * FROM `table` WHERE name LIKE '$name' AND age = $age";

  $results = $mysqli->query($query);

  A. No, the code is fully protected from SQL Injection.
  B. Yes, because the $name variable is improperly escaped.
  C. Yes, because the $name variable and the $age variable is improperly escaped.
  D. Yes, because the $age variable is improperly escaped.
  E. Yes, because you cannot prevent SQL Injection when using MySQLi
  D. Yes, because the $age variable is improperly escaped.

• Question 222:

  What is the result of the following code?

  define('PI', 3.14);

  class T

  {

  const PI = PI;

  }

  class Math

  {

  const PI = T::PI;

  }

  echo Math::PI;

  A. Parse error
  B. 3.14
  C. PI
  D. T::PI
  B. 3.14

• Question 223:

  Before the headers are sent, how can you remove a previously set header?

  A. Use the header_remove() function, providing the name of the header
  B. Use the die() function to abort the PHP script
  C. Not possible
  D. Use the headers_list() function, providing the name of the header as the second argument
  A. Use the header_remove() function, providing the name of the header

• Question 224:

  Given a php.ini setting of

  default_charset = utf-8

  what will the following code print in the browser?

  header('Content-Type: text/html; charset=iso-8859-1');

  echo 'and#9986;and#10004;and#10013;';

  A. Three Unicode characters, or unreadable text, depending on the browser
  B. and#9986;and#10004;and#10013;
  C. A blank line due to charset mismatch
  A. Three Unicode characters, or unreadable text, depending on the browser

• Question 225:

  CORRECT TEXT

  Which PHP function sets a cookie whose value does not get URL encoded when sending it to the browser?

  setrawcookie

• Question 226:

  CORRECT TEXT

  What is the name of the key in $_FILES['name'] that contains the number of bytes of the uploaded file?

  size

• Question 227:

  The constructs for(), foreach(), and each() can all be used to iterate an object if the object...

  A. implements ArrayAccess
  B. implements Iterator
  C. implements Iterator and ArrayAccess
  D. None of the above
  C. implements Iterator and ArrayAccess

• Question 228:

  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 229:

  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
  D. 16

• Question 230:

  How do you allow the caller to submit a variable number of arguments to a function?

  A. Using a prototype like function test(... $parameters).
  B. Using a prototype like function test() and the function func_get_args() inside the function body.
  C. Using a prototype like function test($parameters[]).
  D. Using a prototype like function test() and the function get_variable_args() inside the function body.
  E. This is not possible in PHP.
  B. Using a prototype like function test() and the function func_get_args() inside the function body.