IT test Welcome to your IT Test What is AJAX? A. is a program B. is a country name C. is a football club name D. All of these 13. The practice of creating objects based on predefined classes is often referred to as.. A. class creation B. object creation C. object instantiation D. class instantiation Which one of the following methods can be used to diagnose and display information about a MySQL connection error? A. connect_errno() B. connect_error() C. mysqli_connect_errno() D. mysqli_connect_error() What will be the output of the following php code? < ?php $num = "1"; $num1 = "2"; print $num+$num1 ; ?> 3 1+2 Error 12 The practice of separating the user from the true inner workings of an application through well-known interfaces is known as.. A. Polymorphism B. Inheritance C. Encapsulation D. Abstraction The pop() method of the array does which of the following task ? A. decrements the total length by 1 B. increments the total length by 1 C. prints the first element but no effect on the length D. None of the above Consider the following code snippet console.log(p) If p is not defined, what would be the result or type of error? A. Zero B. Null C. ReferenceError D. ValueNotFoundError What are the advantages of Ajax? A. Bandwidth utilization B. More interactive C. Speeder retrieval of data D. All of these Which are the two functions that are not allowed in any secure subset? A. evaluate() and restrict() B. eval() and the Function() constructor C. debugger() and test() D. eval() and debugger() Which of the following is/are a PHP code editor? ditor? Notepad Notepad++ Adobe Dreamweaver PDT What are the methods used to provide effects in jQuery? A. Show() B. Hide() C. Toggle() D. All of these PHP files have a default file extension of. A. .html B. .xml C. .php D. .ph Which of the following keyword is not associated with initialization of variable ? A. DECLARE B. SET C. SELECT D. All of the mentioned Which of the following is a single global function defined in the jQuery library? A. jQuery() B. $() C. Queryanalysis() D. None of the mentioned How does the HTML tag start and end? </> Name Email Phone Number Time's up
