Zend-Technologies 200-710 問題集

質問 1：
What is the output of the following code?
var dump(boolval(-1));
A. bool(false)
B. bool(true)
正解：B

質問 2：
Which of the following methods are available to limit the amount of resources available to PHP through
php.ini? (Choose 2)
A. Limit the maximum number of concurrent PHP processes
E: Limit the maximum number of concurrent PHP threads
B. Limit the maximum execution time of a script
C. Limit the total amount of memory PHP uses on the entire server
D. Limit the amount of memory a script can consume
正解：B,D

質問 3：
Which php.ini setting is usually required to use an opcode cache?
A. extension
B. optimizer
C. zend_extension
D. dl
正解：C

質問 4：
What is the output of the following code?

A. string(0) '"'
B. bool(false)
C. string(l) "!"
D. string(2) "k!"
正解：C

質問 5：
What is the output of the following code?
class A {
public $a= 1;
public function _construct($a) { $this->a = $a; }
public function mul() {
}
return function($x) {
return $this->a*$x;
};
$ a= new A(2);
$ a->mul = function($x) {
return $x*$x;
};
$ m = $a->mul();
echo $m(3);
A. 0
B. 9
C. 3
D. 6
正解：D

質問 6：
Which of these elements can be encapsulated by namespaces and made accessible from the outside?
A. Classes, functions and constants
B. Classes, functions, constants and variables
C. Only classes
正解：A

質問 7：
Which of the following is correct? (Choose 2)
A. A class can implement more than one interface.
B. An interface can implement more than one interface.
C. A class can extend more than one class.
D. A class can extend more than one interface.
E. An interface can extend more than one interface.
F. A class can implement more than one class.
正解：A,E

質問 8：
What is the name of the key for the element in $_FILES['name'] that contains the provisional name of the
uploaded file?
正解：
tmp_name