200-710試験無料問題集（235題）「Zend-Technologies Zend Certified Engineer 認定」

出題：1

Which of the following may be used in conjunction with CASE inside a SWITCH statement?

A. A scalar

B. All of the above

C. An expression

D. A boolean

正解：B 解答を投票する

出題：2

Which is the most efficient way to determine if a key is present in an array, assuming the array has no
NULL values?

A. isset($a['key'])

B. in_array('key', array_keys($a))

C. None of the above

D. array_key_exists('key', $a)

正解：A 解答を投票する

出題：3

When retrieving data from URLs, what are valid ways to make sure all file_get_contents calls send a
certain user agent string? (Choose 2)

A. $default_opts = array('http'=>array('user_agent'=>"My Cool Browser")); $default=
stream_context_set_default($default_opts);

B. ini_set('user_agent', "My Cool Browser");

C. stream_context_set_option("user_agent", "My Cool Browser");

D. stream_context_set_option($context, "http", "user_agent", "My Cool Browser");

正解：A,B 解答を投票する

出題：4

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

A. File name extension

B. Contents of the file

C. MIME type

正解：B 解答を投票する

出題：5

Which of the following statements is correct?

A. Interfaces can extend more than one interface

B. Interfaces can redeclare inherited methods

C. Interfaces can extend only one interface

D. Interfaces can inherit a method from different interfaces

正解：A 解答を投票する

出題：6

What is the return value of the following code?
strpos("me myself and I", "m", 2)

正解：E 解答を投票する

出題：7

What is the output of the following code?

A. string(l) "!"

B. string(2) "k!"

C. bool(false)

D. string(0) '"'

正解：A 解答を投票する

出題：8

You need to escape special characters to use user input inside a regular expression. Which functions
would you use? (Choose 2)

A. quote_meta()

B. preg_quote()

C. htmlentities()

D. addslashes()

E. regex_quote()

正解：A,B 解答を投票する

出題：9

Which php.ini setting is usually required to use an opcode cache?

A. extension

B. optimizer

C. dl

D. zend_extension

正解：D 解答を投票する

出題：10

What is the output of the following code?
class test {
}
public $value= 0;
function test() {
$ this->value = 1;
}
function _construct() {
$ this->value = 2;
$ object = new test();
echo $object->value;

A. 2

B. 1

C. No Output, PHP will generate an error message.

D. 0

E. 3

正解：A 解答を投票する

出題：11

What DOMElement method should be used to check for availability of a non-namespaced attribute?

A. getAttributeNS()

B. getAttribute()

C. hasAttributeNS()

D. hasAttribute()

正解：D 解答を投票する

出題：12

Which of the following statements about Reflection is correct?

A. Reflection is an extension that can be disabled

B. Reflection only allows to reflect on built-in classes

C. Built-in classes can be reflected on command line using php --re <classname>

D. Reflection is a new extension present only in PHP 7.0+

正解：C 解答を投票する

出題：13

What is the output of the following code?
var_dump(boolval([]));

A. bool(true)

B. bool(false)

正解：B 解答を投票する

出題：14

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

200-710試験無料問題集「Zend-Technologies Zend Certified Engineer 認定」