Zend Zend Certifications 200-710 Questions & Answers

• Question 181:

  Which of the following is NOT possible using reflection?

  A. Analysing of nearly any aspect of classes and interfaces

  B. Analysing of nearly any aspect of functions

  C. Adding class methods

  D. Implement dynamic construction (new with variable class name)

  Correct Answer: C

• Question 182:

  Which of the following is NOT a requirement for file uploads to work?

  A. The PHP directive file_uploads must be set to On

  B. The form's method attribute must be set to "post"

  C. The form must include a hidden input element with the name set to "MAX_FILE_SIZE"

  D. The form's enctype attribute must be set to "multipart/form-data"

  Correct Answer: C

• Question 183:

  Which sentence describes the following regular expression match? preg_match('/^\d+(?:\.[0-9]+)?$/', $test);

  A. It matches float numbers with thousand seperators.

  B. It matches float numbers without thousand seperators.

  C. It matches binary integer numbers.

  D. It matches any string.

  E. It does not match anything

  Correct Answer: B

• Question 184:

  What is the name of the PHP function used to automatically load non-yet defined classes?

  A. autoload()

  B. __autoload()

  C. __catch()

  D. load()

  E. loadClass()

  Correct Answer: B

• Question 185:

  When retrieving data from URLs, what are valid ways to make sure all file_get_contents calls send a certain user agent string? (Choose 2)

  A. $default_opts = array('http'=>array('user_agent'=>"My Cool Browser")); $default = stream_context_set_default($default_opts);

  B. stream_context_set_option("user_agent", "My Cool Browser");

  C. ini_set('user_agent', "My Cool Browser");

  D. stream_context_set_option($context, "http", "user_agent", "My Cool Browser");

  Correct Answer: AC

• Question 186:

  When a browser requests an image identified by an img tag, it never sends a Cookie header.

  A. TRUE

  B. FALSE

  Correct Answer: B

• Question 187:

  Under what condition may HTTP headers be set from PHP if there is content echoed prior to the header function being used?

  A. headers_sent() returns true

  B. Output buffering is enabled

  C. The client supports local buffering

  D. The webserver uses preemptive mode

  Correct Answer: B

• Question 188:

  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.

  Correct Answer: D

• Question 189:

  Given a PHP value, which sample shows how to convert the value to JSON?

  A. $string = json_encode($value);

  B. $string = Json::encode($value);

  C. $json = new Json($value); $string = $json->__toString();

  D. $value = (object) $value; $string = $value->__toJson();

  Correct Answer: A

• Question 190:

  What will the following function call print?

  printf('%010.6f', 22);

  A. 22

  B. 22.00

  C. 022.000000

  D. 22.000000

  Correct Answer: C