200-550試験無料問題集（223題）「Zend-Technologies Zend Certified PHP Engineer 認定」

出題：1

What is the result of the following code?
class T {
const A = 42 + 1; } echo T::A;

A. 42

B. Parse error

C. 43

正解：B 解答を投票する

出題：2

In a shared hosting environment, session data can be read by PHP scripts written by any user. How can you prevent this? (Choose 2)

A. Store session data in a database.

B. Set session.name to something unique.

C. Store session data in a different location with session.save_path .

D. Enable safe_mode .

正解：A,C 解答を投票する

出題：3

CORRECT TEXT
Which SPL class implements fixed-size storage?

正解：

SplFixedArray

出題：4

One common security risk is exposing error messages directly in the browser. Which PHP configuration directive can be disabled to prevent this?

A. error_reporting

B. error_log

C. html_display

D. ignore_repeated_errors

E. display_errors

正解：E 解答を投票する

出題：5

What is the output of the following code?
echo "22" + "0.2", 23 . 1;

A. 22.2,231

B. 220.2231

C. 56.2

D. 22.2231

正解：D 解答を投票する

出題：6

Which of the following is NOT true about PHP traits? (Choose 2)

A. Multiple traits can be used by a single class.

B. Traits are able to be auto-loaded.

C. A trait can declare a private variable.

D. A trait can implement an interface.

E. Traits automatically resolve conflicts based on definition order.

正解：D,E 解答を投票する

出題：7

Transactions are used to...

A. reduce code size in PHP

B. guarantee high performance

C. reduce the database server overhead

D. secure access to the database

E. secure data consistency

正解：E 解答を投票する

出題：8

Which of the following tasks can be achieved by using magic methods? (Choose 3)

A. Converting objects to string representation

B. Initializing or uninitializing object data

C. Creating a new stream wrapper

D. Processing access to undefined methods or properties

E. Overloading operators like +, *, etc.

F. Creating an iterable object

正解：A,B,D 解答を投票する

出題：9

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

A. Use $_COOKIE

B. Use JavaScript to send a second HTTP request

C. Use the headers_sent() function

D. Use the getcookie() function

正解：C 解答を投票する

出題：10

CORRECT TEXT
What is the output of the following code?
function increment (&$val)
{
return $val + 1; }
$a = 1;
echo increment ($a); echo increment ($a);

正解：

22

出題：11

In the following code, which line should be changed so it outputs the number 2:
class A {
protected $x = array(); /* A */
public function getX() { /* B */
return $this->x; /* C */
}
}
$a = new A(); /* D */ array_push($a->getX(), "one"); array_push($a->getX(), "two"); echo count($a->getX());

A. Line C, to: return &$this->x;

B. Line D, to: $a =& new A();

C. No changes needed, the code would output 2 as is

D. Line B, to: public function &getX() {

E. Line A, to: protected &$x = array();

正解：D 解答を投票する

200-550試験無料問題集「Zend-Technologies Zend Certified PHP Engineer 認定」