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Zend exam questions need help

Posted: Wed Jul 07, 2010 3:33 am
by getmizanur
I am trying to go through some Zend questions and since I do not have anyone to check them with so I've thought to post them here. Can someone tell if they are right or wrong. Many thanks in advance

1. The following code can be better represented as what?
<?php
if($a == 10) {

} elseif ($a == 20) {

} elseif ($a == 30) {

}
?>
Answer:
a) A switch statement without break statements
b) A foreach statement
c) A while statement
d) A swtich statement
e) A multiple if statement

My Ans: (e)

2. The _________ keyword is used to indicate an incomplete class or method, which must be further extended and/or implemented in order to be used

Answer:
a) final
b) protected
c) incomplete
d) abstract
e) implements

My Ans: (d)

3. The _________ method in PDOStatement class is used to return the next result set in multi-query statement.

My Ans: (fetch)

4. What is the output of this code

<?php
$array = array(0.001 => 'b', .1 => 'c')

print_r($array)
?>

Answer:
a) An empty array
b) 0.001 => 'b', .1 => 'c'
c) 0 => 'c'
d) '0.001' => 'b', '0.1' => 'c'
e) A syntax error

My Ans: ( C )

5. Name three new extensions in PHP5

Answer: (choose 3)
a) tidy
b) soap
c) java
d) curl
e) mysqli

My Ans: (a, b, e)

6. What is the output of the following script

<?php

$a = 1;
$b = 2.5;
$c = 0xFF;

$d = $b + $c; 255 + 2.5 = 257.5
$e = $d * $b; 257.5 * 2.5 = 643.75
$f = ($d + $e) % $a;

print ($f + $e)

?>

Answer:
a) 643.75
b) 432
c) 643
d) 257
e) 432.75

My Ans: (a)

7. Type-hinting and the instanceof keyword can be used to check what types of things about variables?

Answers (choose 3)
a) If a particular child class extends from it
b) If they are an instance of a particular interface
c) If they are an abstract class
d) If they have a particular parent class
e) If they are instance of a particular class

My Ans: (e, d, a)

8. One can determine if it is possible to send HTTP headers from within your PHP script using which of the following functions?

Answer
a) apache_headers_enabled()
b) is_headers_enabled()
c) is_headers_sent()
d) headers_sent()
e) headers_enabled()

My Ans: (d)

9. When embedding PHP into XML documents, what must you ensure is true in order for things to function properly?

Answer:
a) Disabling of the short_tags in PHP.ini directives
b) Enabling the asp_tags PHP.ini directives
c) That you have Xpath support enabled in PHP5
d) That your XML documents are well-formed
e) None of the above, PHP can be embedded in XML in all cases

My Ans: (e)

10. The following is common XML structure used in service oriented architectures, what does it represent?

<?xml version=”1.0”>
<methodCall>
<methodName>myMethod</methodName>
<params>
<param>
<value><string>HI!</string></value>
</param>
</params>
</methodCall>

Answer
a) None of the above
b) A fragment of a complete SOAP request
c) XML-RPC
d) REST
e) SOAP

My Ans: (e)

... continued

Re: Zend exam questions need help

Posted: Wed Jul 07, 2010 5:11 am
by Eran
You have mistakes on 7 of the 10 questions. Most of those can be checked simply by running code or consulting the manual, so I suggest you do that.

Re: Zend exam questions need help

Posted: Wed Jul 07, 2010 5:40 am
by Benjamin
:arrow: Locking this before someone provides the answers.