Zend Zend Certifications 200-710 Questions & Answers

• Question 1:

  What is the name of the header used to require HTTP authentication?

  A. Authorization-Required

  B. WWW-Authenticate

  C. HTTP-Authenticate

  D. Authentication-Required

  E. HTTP-Auth

  Correct Answer: B

• Question 2:

  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

  Correct Answer: A

• Question 3:

  What is the method used to execute XPath queries in the SimpleXML extension?

  A. xpathQuery()

  B. xpath()

  C. simpleXMLXpath()

  D. query()

  E. evaluate()

  Correct Answer: B

• Question 4:

  The XML document below has been parsed into $xml via SimpleXML. How can the value of tag accessed?

  Value

  A. $xml->bar['foo']

  B. $xml->bar->foo

  C. $xml['document']['bar']['foo']

  D. $xml->document->bar->foo

  E. $xml->getElementByName('foo');

  Correct Answer: B

• Question 5:

  Which technique should be used to speed up joins without changing their results?

  A. Add indices on joined columns

  B. Add a WHERE clause

  C. Add a LIMIT clause

  D. Use an inner join

  Correct Answer: A

• Question 6:

  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

  Correct Answer: B

• Question 7:

  An HTML form has two submit buttons. After submitting the form, how can you determine with PHP which button was clicked?

  A. An HTML form may only have one button.

  B. You cannot determine this with PHP only. You must use JavaScript to add a value to the URL depending on which button has been clicked.

  C. Put the two buttons in different forms, but make sure they have the same name.

  D. Assign name and value attributes to each button and use $_GET or $_POST to find out which button has been clicked.

  Correct Answer: D

• Question 8:

  What DOMElement method should be used to check for availability of a non-namespaced attribute?

  A. getAttributeNS()

  B. getAttribute()

  C. hasAttribute()

  D. hasAttributeNS()

  Correct Answer: C

• Question 9:

  Which of the following is an invalid DOM save method?

  A. save()

  B. saveFile()

  C. saveXML()

  D. saveHTML()

  E. saveHTMLFile()

  Correct Answer: B

• Question 10:

  What function allows resizing of PHP's file write buffer?

  A. ob_start()

  B. set_write_buffer()

  C. stream_set_write_buffer()

  D. Change the output_buffering INI setting via ini_set() function

  Correct Answer: C