Online Access Free 200-550 Exam Questions

What is the difference between "print" and "echo"?

• A.Echo has a return value, print does not
• B.There is no difference.
• C.None of the above
• D.Print has a return value, echo does not
• E.Print buffers the output, while echo does not

What is the output of the following code?
function ratio ($x1 = 10, $x2) {
if (isset ($x2)) {
return $x2 / $x1;
}
}
echo ratio (0);

• A.A warning, because $x1 is not set
• B.0
• C.A warning, because $x2 is not set
• D.An integer overflow error
• E.A floating-point overflow error
• F.Nothing

What information can be used to reliably determine the type of an uploaded file?

• A.File name extension
• B.MIME type
• C.Contents of the file

Which one of the following XML declarations is NOT valid?

• A.<?xml standalone="no" ?>
• B.<?xml version="1.1" encoding="UTF-8" ?>
• C.<?xml standalone="1" ?>
• D.<?xml version="1.0" ?>

When tracking upload progress with sessions, the values of 2 INI settings are needed to determine the key in $_SESSION of the upload progress data. What are the INI settings? (Choose 2)

• A.session.upload_progress.freq
• B.session.upload_progress.key
• C.session.upload_progress.file
• D.session.upload_progress.prefix
• E.session.upload_progress.name