Zend ZF-100-500 Questions & Answers

• Question 101:

  You run the following PHP script:

  $name = mysql_real_escape_string($_POST["name"]);

  $password = mysql_real_escape_string($_POST["password"]);

  ?>

  What is the use of the mysql_real_ escape_string() function in the above script. Each correct answer represents a complete solution. Choose all that apply.

  A. It can be used as a countermeasure against a SQL injection attack.

  B. It escapes all special characters from strings $_POST["name"] and $_POST["password"]except ' and ".

  C. It escapes all special characters from strings $_POST["name"] and $_POST["password"].

  D. It can be used to mitigate a cross site scripting attack.

  Correct Answer: AC

• Question 102:

  CORRECT TEXT

  Fill in the blank with the appropriate method name. The__________ method is used to retrieve headers when the storage has been opened.

  A. getHeader()

  Correct Answer: A

  Answer:

• Question 103:

  CORRECT TEXT

  Fill in the blank with the appropriate class name. The______ class is used to load files

  dynamically.

  A. Zend_Loader

  Correct Answer: A

  Answer:

• Question 104:

  Which of the following methods of Zend_XmlRpc_Client can you use to instantiate a server proxy call?

  A. call()

  B. getLastResponse()

  C. getProxy()

  D. XMLResponse

  Correct Answer: C

• Question 105:

  You have given the following XML data in the tasks.XML file:

  Validate data

  String Validation

  Secure data

  Encryption

  Now, you run the following PHP script:

  $objDOM = new DOMDocument();

  $objDOM->load("tasks.xml");

  $note = $objDOM->getElementsByTagName("note");

  foreach( $note as $value )

  {

  $tasks = $value->getElementsByTagName("tasks"); $task = $tasks->item(0)->nodeValue;

  $details = $value->getElementsByTagName("details");

  $detail = $details->item(0)->nodeValue;

  echo "$task :: $detail
  ";

  }

  ?>

  What should be displayed when this script is executed?

  A. The contents of the whole XML document

  B. The XML of every tasks and details nodes

  C. The contents of every tasks and details nodes

  D. The XML of whole XML document

  Correct Answer: C

• Question 106:

  Which of the following clauses is used to specify a column or an array of columns by which to sort?

  A. Order By

  B. WHERE

  C. FROM

  D. LIMIT

  Correct Answer: A

• Question 107:

  John works as a professional Ethical Hacker. He has been assigned a project to test the security of www.we-are-secure.com. On the We-are-secure login page, he enters ='o r''=' as a username and successfully logs in to the user page of the Web site. The We-are- secure login page is vulnerable to a __________.

  A. Land attack

  B. Replay attack

  C. Dictionary attack

  D. SQL injection attack

  Correct Answer: D

• Question 108:

  Which of the following are the valid methods of the Zend_Date class? Each correct answer represents a complete solution. Choose all that apply.

  A. set()

  B. add()

  C. check()

  D. get()

  E. sub()

  Correct Answer: ABDE

• Question 109:

  Which of the following is an example of a database connection that needs to be created once at the beginning of a script and then used throughout its code?

  A. Model-view-controller

  B. Factory pattern

  C. ActiveRecord

  D. Singleton

  Correct Answer: D

• Question 110:

  Which of the following are the configuration files that are used in Zend_Config?

  A. Zend_Config_Server

  B. Zend_Config_Xml

  C. Zend_Config_Db

  D. Zend_Config_Ini

  Correct Answer: BD