Zend 200-710 Exam Questions Instant Access

Question 1

Which one of the following XML declarations is NOT valid?

A<?xml version='1.0' ?>

B<?xml version='1.1' encoding='UTF-8' ?>

C<?xml standalone='no' ?>

D<?xml standalone='1' ?>

Answer : D

Question 2

Which interfaces could class C implement in order to allow each statement in the following code to work? (Choose 2)

$obj = new C();

foreach ($obj as $x => $y) {

echo $x, $y;

}

AIterator

BArrayAccess

CIteratorAggregate

DArrayObject

Answer : A, C

Question 3

How can you determine whether a PHP script has already sent cookies to the client?

AUse $_COOKIE

BUse the getcookie() function

CUse the headers_sent() function

DUse JavaScript to send a second HTTP request

Answer : C

Question 4

Which of the following rules must every correct XML document adhere to? (Choose 2)

AIt has to be well-formed.

BIt has to be valid.

CIt has to be associated to a DTD.

DIt may only contain UTF-8 encoded characters.

Answer : A, B

Question 5

Type hinting in PHP allows the identification of the following variable types: (Choose 2)

AString

BInteger

CArray

DAny class or interface type

EAll of the above

Answer : C, D

Question 6

What is the output of the following code?

echo "1" + 2 * "0x02";

D20

Answer : C

Question 7

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

AAdd indices on joined columns

BAdd a WHERE clause

CAdd a LIMIT clause

DUse an inner join

Answer : A

Zend Certified Engineer 200-710 Exam Questions