Quiznetik

Advanced Web Technologies | Set 1

1. Which method scope prevents a method from being overridden by a subclass?

Correct : C. Final

2. Which of the following statements are true is/are true about constructors in PHP? (i) PHP 4 introduced class constructors. (ii) Constructors can accept parameters. (iii) Constructors can call class methods or other functions (iv) Class constructors can call on other constructors.

Correct : A. All of the mentioned

3. PHP recognize constructors by the name.

Correct : D. function __construct()

4. Which version of PHP introduced the instance of keyword?

Correct : B. PHP 5

5. Which one of the following functions is used to determine whether a class exists?

Correct : C. class_exist()

6. Which one of the following functions is used to determine object type?

Correct : C. is_a()

7. Which one of the following keyword is used to inherit our subclass into a superclass?

Correct : A. . extends

8. Which keyword is used to refer to properties or methods within the class itself?

Correct : D. . $this

9. Which keyword allows class members (methods and properties) to be used without needing to instantiate a new instance of the class?

Correct : C. static

10. _________ is a blue print of any object in OOP.

Correct : A. class

11. An _____ is an instance or occurrence of our class.....

Correct : B. object

12. The _____ method starts with two underscores (__).

Correct : C. Construct

13. _______an object means converting it to a byte stream representation that can be stored into file.

Correct : D. Serializing

14. A class property used by another class is called ______.

Correct : D. inheritance.

15. _________is used to support multiple inheritance

Correct : B. Interface

16. The ability to hide the details of implementation is known as _____.

Correct : C. Encapsulation

17. An _______ is one that cannot be instantiated, only inherited

Correct : A. Abstract class

18. Constant name are proceeded by _____ like a normal variable declaration.

Correct : B. dollar sign($)

19. _______ is available when a method is called from within an object context

Correct : C. $this

20. in PHP, An _____is a special variable, which can hold more than one value at a time.

Correct : A. array

21. In PHP, there are three types of arrays:

Correct : D. all of the above

22. in PHP ,The____ function is used to return the length (the number of elements) of an array:

Correct : A. count

23. The index can be assigned automatically (index always starts at 0), like this: $cars = array("Volvo", "BMW", "Toyota");

Correct : A. true

24. The _____ functions can be used to find the lowest or highest value in a list of arguments:

Correct : B. min & max

25. The _____ function returns the absolute (positive) value of a number:

Correct : C. abs

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

Correct : D. sqrt()

27. The _____function rounds a floating-point number to its nearest integer:

Correct : A. round

28. The _______ function generates a random number:

Correct : A. rand

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

Correct : A. define()

30. In PHP7, you can create an Array constant using the ____ function.

Correct : A. define()

31. The ____statement is used to perform different actions based on different conditions.

Correct : A. switch

32. The PHP ____function formats a timestamp to a more readable date and time.

Correct : A. date()

33. 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.

Correct : A. cookie

34. A ______ is a way to store information (in variables) to be used across multiple pages.

Correct : B. session

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

Correct : A. classes and objects

36. A ______allows you to initialize an object's properties upon creation of the object.

Correct : B. constructor

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

Correct : A. true

38. A ______is called when the object is destructed or the script is stopped or exited.

Correct : A. destructor

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

Correct : A. true

40. URL stands for ____________ .

Correct : A. Uniform resource locator

41. The __________ array contains information from the web server.

Correct : B. S_server

42. The _________ works through request header and response.

Correct : A. Authentication

43. _____________ is a php super global variable which is used to access global variable from anywhere in PHP script.

Correct : B. $_Global

44. The size of file can be limited using _________ limit and _____________ limit.

Correct : A. soft and hard

45. How do you create cookie in PHP by ________.

Correct : A. set-cookie()

46. MYSQL i here "i" means________

Correct : C. improved

47. Data source name in pear DB is _________

Correct : A. String

48. Which are build in data types that sql supports?

Correct : A. real ,double precision

49. which type of language used in sql

Correct : A. DDL

50. java script was designed as a _____ scripting language.

Correct : D. Client

51. HTTP stands for ___________.

Correct : A. Hyper text transfer protocol

52. Get and ________ are two HTTP methods that a client use to pass from data server.

Correct : B. Post

53. ______ tag is used for multiple selections.

Correct : A. select tag

54. To upload the file ________ array is used.

Correct : A. $Files

55. PHP was designed as a ________ scripting language.

Correct : A. Sever side

56. ____________is about communication between web clients and servers

Correct : A. WWW

57. Communication between client computers and web servers is done by sending _________________.

Correct : A. HTTP request & HTTP Responses

58. 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 ________ too.

Correct : A. Cookie & cookie

59. _______ statements reduce parsing time as the preparation on the query is done only once (although the statement is executed multiple times)

Correct : A. Prepared

60. The MySQLi functions allows you to access______ database servers.

Correct : A. Mysql

61. The____ function fetches a result row as an associative array, a numeric array, or both.

Correct : A. fetch array()

62. The ssl_set()function is used to establish secure connections using _____

Correct : A. secure socket layer (SSL)

63. __________ function is used to change the default database for the connection.

Correct : D. mysqli_select_db()

64. An inherited class is defined by using the ______ keyword.

Correct : A. extends

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

Correct : A. true

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

Correct : A. true

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

Correct : A. true

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

Correct : A. true

69. Interfaces are declared with the ________ keyword:

Correct : A. interface

70. Interface are similar to abstract classes. The difference between interfaces and abstract classes are Interfaces cannot have properties, while abstract classes can have.

Correct : A. interface

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

Correct : C. implements

72. In PHP, there are three types of arrays one is not type of array in php which one:

Correct : D. polygamy array

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

Correct : A. true

74. Classes and objects are the two main aspects of __________________

Correct : A. object oriented programming

75. A constructor allows you to initialize an object's properties upon creation of the object.

Correct : A. true

76. If you create a _______function, PHP will automatically call this function when you create an object from a class.

Correct : A. __construct()

77. A destructor is called when the object is destructed or the script is stopped or exited.

Correct : A. true

78. 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.

Correct : A. true

79. A session is a way to store information (in variables) to be used across multiple pages.

Correct : A. true

80. Which one of the following databases has PHP supported almost since the beginning?

Correct : D. MySQL

81. Which one of the following statements is used to create a table?

Correct : A. CREATE TABLE table_name (column_namecolumn_type);

82. Which method returns the error code generated from the execution of the last MySQL function?

Correct : A. errno()

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

Correct : C. . Empty String

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

Correct : B. include ‘filename’;

85. Which one of the following methods recuperates any memory consumed by a result set?

Correct : D. free()

86. Which one of the following methods can be used to diagnose and display information about a MySQL connection error?

Correct : C. mysqli_connect_errno()

87. Which method retrieves each row from the prepared statement result and assigns the fields to the bound results?

Correct : C. . fetch()

88. Which one of the Following methods is responsible for sending the query to Database

Correct : A. query()

89. Which is the comment symbol in mysql?

Correct : C. #

90. A ________ consists of one or more tables.

Correct : A. database

91. ________ is used to uniquely identify the rows in table.

Correct : A. primary key

92. _____ returns the last error description for the most recent function call

Correct : A. Error no

93. A _______ is a server that manages data for user.

Correct : A. Wamp

94. RDBMS stands for __________.

Correct : A. Relation data base management

95. In PHP $Icon=mySQL_connect("localhost","root","") is used to ____ to the data base .

Correct : C. connect

96. mysql_close() is use to ________database(wamp) in php .

Correct : B. close

97. ______ is use to create the web page .

Correct : A. Word press

98. die(mySQL_error()) is used to show _______ message .

Correct : A. error

99. The long form of SQL is __________.

Correct : A. Structural query language

100. the switch statement is used to perform different actions based on different conditions

Correct : A. true