What is the output of the following code?class C {public $x = 1;function __construct() { ++$this->x; }function __invoke() { return ++$this->x; }function __toString() { return (string) --$this->x; }}$obj = new C();echo $obj();
Answer(s): D
CORRECT TEXTConsider the following code. Which keyword should be used in the line marked with "KEYWORD" instead of "self" to make this code work as intended?abstract class Base {protected function __construct() {}public static function create() {return new self(); // KEYWORD}abstract function action();}class Item extends Base {public function action() { echo __CLASS__; }}$item = Item::create();$item->action(); // outputs "Item"
Answer(s): A
CORRECT TEXTWhich SPL class implements fixed-size storage?
In order to create an object storage where each object would be stored only once, you may use which of the following? (Choose 2)
Answer(s): B,D
What is the output of the following code?class Base {protected static function whoami() {echo "Base ";}public static function whoareyou() {static::whoami();}}class A extends Base {public static function test() {Base::whoareyou();self::whoareyou();parent::whoareyou();
Answer(s): C
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22. if you need to make sure that one computer in your hot-spot network can access the internet without hot-spot authentication, which menu allows you to do this? answer is ip binding and not wall garden. wall garden allows specified websites to be accessed with users authentication to the hotspot
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vraag 20c: rsa veilig voor symmtrische cryptografie? antwoord c is toch fout. rsa is voor asymmetrische cryptogafie??