Zend PHP 5.3 Certification (200-530) Practice Test

Questions # 11:

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

Options:

Add indices on joined columns

Add a WHERE clause

Add a LIMIT clause

Use an inner join

Questions # 12:

When uploading a file to a PHP script using the HTTP PUT method, where would the information about this file be available?

Options:

the $_FILES super-global

the input stream php://stdin

the $_POST super-global

the global variable scope

Questions # 13:

Which of the following is correct? (Choose 2)

1) A class can extend more than one class.

2) A class can implement more than one class.

3) A class can extend more than one interface.

4) A class can implement more than one interface.

5) An interface can extend more than one interface.

6) An interface can implement more than one interface.

Questions # 14:

What is the file locking mode that should be used when writing to a file?

Options:

LOCK_UN

LOCK_SH

LOCK_EX

LOCK_NB

Questions # 15:

What will the following function call return?

strstr('http://example.com/test/file.php ', '/');

Options:

/example.com/

/file.php

file.php

//example.com/test/file.php

Questions # 16:

How can XML parsing errors be suppressed in the SimpleXML extension?

Options:

error_reporting(E_ALL^E_NOTICE);

simplexml_disable_errors(TRUE);

simplexml_ignore_errors(TRUE);

libxml_use_internal_errors(TRUE);

simplexml_load_file("file.xml", LIBXML_NOERROR);

Questions # 17:

What does an object based on the Active Record pattern provide?

Options:

A way to actively control the application's workflow

A way to record the history of its changes

A way to effortlessly store its properties in a database

Questions # 18:

What visibility denies access to properties and methods outside of the class?

Questions # 19:

What does the chown() function do?

Options:

Change the file permissions.

Change the owner of the file.

Change the group of the file.

Checks if the file is accessible.

Questions # 20:

Which of the following superglobals does not contain data from the client?

Options:

$_POST

$_SESSION

$_GET

$_SERVER

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