Web Technologies Mcq Questions [SET - 8] | Web Technology Exam Questions and Answers

 

1.The _______ function generates a random number:

A) rand
B) min
C) abs
D) sqrt()

ANSWER= (A) rand

 

2. To create a constant, use the _____ function.is used

A) define()
B) min()
C) abs()
D) sqrt()

ANSWER= (A) define()

 

3. A ______is a small file that the server embeds on the user's computer. Each time the same computer requests a page with a browser, it will send the cookie too. With PHP, you can both create and retrieve cookie values.

A) cookie
B) session
C) abs
D) sqrt

ANSWER= (A) cookie

 

4. the _____function returns the square root of a number:

A) count
B) min
C) abs
D) sqrt()

ANSWER= (D)  sqrt()

 

5. which type of language used in sql

A)  DDL
B) DML
C) DIL
D) none of these

ANSWER= (A) DDL

 

6.  A ______ is a way to store information (in variables) to be usedacross multiple pages.

A) cookie
B) session
C)  abs
D) sqrt

ANSWER= (B) session

 

7. _______are the two main aspects of object-oriented programming.

A) classes and objects
B) constructor and destructor
C) object and array
D)  none of these

ANSWER= (A)  classes and objects

 

8. If you create a __construct() function, PHP will automatically call thisfunction when you create an object from a class.

A) true
B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

9. A ______is called when the object is destructed or the script is stopped orexited.

A) destructor
B) constructor
C) object
D) none of these

ANSWER= (A)  destructor

 

10. If you create a __destruct() function, PHP will automatically call thisfunction at the end of the script.

A) true
B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

11. Abstract classes and methods are when the parent class has a named method,but need its child class(es) to fill out the tasks.

A) true
B) false
C) both a and b
D)  none of these

ANSWER= (A) true

 

12. An abstract class is a class that contains at least one abstract method. Anabstract method is a method that is declared, but not implemented in the code.

A) true
B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

13. When inheriting from an abstract class, the child class method must be definedwith the same name, and the same or a less restricted access modifier.

B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

14. Interfaces allow you to specify what methods a class should implement.

A)  true
B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

15.  To implement an interface, a class must use the______ keyword.

A) interface
B) abstract class
C)  implements
D)  None of these

ANSWER= (C)  implements

 

16. In PHP, there are three types of arrays one is not type of array in phpwhich one:

A) Indexed arrays -
B) Associative arrays -
C) Multidimensional arrays -
D) polygamy array

ANSWER= (D) polygamy array

 

17.  An inherited class is defined by using the extends keyword.

A) true
B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

18.  A destructor is called when the object is destructed or the script is stopped orexited.

A) true
B) false
C)  both a and b
D) none of these

ANSWER= (A) true

 

19. A cookie is a small file that the server embeds on the user's computer. Each time the same computer requests a page with a browser, it will send the cookie too. With PHP, you can both create and retrieve cookie values.

A) true
B) false
C)  both a and b
D) none of these

ANSWER= (A) true

 

20. If there is no error, then what will the error() method return?

A) TRUE
B) FALSE
C) Empty String
D) non of these

ANSWER= (C)  Empty String

 

21. Which one of the following statements should be used to include a file?

A)  #include ‘filename’;
B) include ‘filename’;
C)  include <filename>
D) none of these

ANSWER= (B) include ‘filename’;

 

22. ______ is use to create the web page .

A) Word press
B) Lotus
C) Word star
D) none of these .

ANSWER= (A) Word press

 

23. A class that is inherited from by another class. This is also called a ____

A) child class
B) class
C) member function
D) parent Class or base class

ANSWER= (D) parent Class or base class

 

24. ________ a type of polymorphism in which some or all of operators have differentimplementations depending on the types of their arguments

A) overloading
B) data Abstraction
C) Encapsulation
D) member function

ANSWER= (A) overloading

 

25. ________Any representation of data in which the implementation details are hidden

A) overloading
B) data Abstraction
C) Encapsulation
D) member function

ANSWER= (B) data Abstraction

 

26. __________ refers to a concept where we encapsulate all the data and member functionstogether to form an object.

A) overloading
B) data Abstraction
C) Encapsulation
D) member function

ANSWER= (C) Encapsulation

 

27.  Validation means check the input submitted by the user.

A) true
B) false
C) both a and b
D) none of these

ANSWER= (A) true

 

28. Which one of the following methods can be used to diagnose and displayinformation about a MySQL connection error?

A) connect_errno()
B) connect_error()
C) mysqli_connect_errno()
D) mysqli_connect_error()

ANSWER= (C) mysqli_connect_errno()

 

29.The default file extension for PHP files is _________

A) .PHP
B) .js
C) .Ajs
D) none of these

ANSWER= (A) .PHP

 

30. __________ is used to show the out put …or give message..same as printf in clanguage…

A) Echo
B) java script
C) Angular js
D) none of these

ANSWER= (A) Echo

Friends if you like this post,kindly comment bellow and do share your responce.Thank You for Visiting.