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Changed 200-550 Exam Questions

Page: 4 / 8
Question 16

Which of the following code snippets is correct? (Choose 2)

Options:

A.

interface Drawable {

abstract function draw();

}

B.

interface Point {

function getX();

function getY();

}

C.

interface Line extends Point {

function getX2();

function getY2();

}

D.

interface Circle implements Point {

function getRadius();

}

Question 17

Which parts of the text are matched in the following regular expression?

$text = <<

The big bang bonged under the bung.

EOT;

preg_match_all('@b.n?g@', $text, $matches);

Options:

A.

bang bong bung

B.

bang bonged bung

C.

big bang bong bung

D.

big bang bung

Question 18

What is cached by an opcode cache?

Options:

A.

Compiled PHP code

B.

Native PHP extensions

C.

Data sent to the client

D.

Data received from the database

Question 19

What method can be used to find the tag via the DOM extension?

Options:

A.

getElementById()

B.

getElementsByTagName()

C.

getElementsByTagNameNS()

D.

getElementByName()

E.

findTag()

Page: 4 / 8
Exam Code: 200-550
Exam Name: Zend Certified PHP Engineer
Last Update: Nov 24, 2024
Questions: 223
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