59 + Mcqs in Advanced Web Technologies Page 1 McqOptions

1.	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.
A.	All of the mentioned
B.	None of the mentioned
C.	only i
D.	only ii
Answer» B. None of the mentioned

Discussion

2.	_______an object means converting it to a byte stream representation that can be stored into file.
A.	class
B.	object
C.	Construct
D.	Serializing
Answer» E.

Discussion

3.	in PHP, An _____is a special variable, which can hold more than one value at a time.
A.	array
B.	structure
C.	csss
D.	none of these
Answer» B. structure

Discussion

4.	The index can be assigned automatically (index always starts at 0), like this: $cars = array("Volvo", "BMW", "Toyota");
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

5.	in PHP ,The____ function is used to return the length (the number of elements) of an array:
A.	count
B.	min
C.	abs
D.	sqrt()
Answer» B. min

Discussion

6.	The _____ functions can be used to find the lowest or highest value in a list of arguments:
A.	count & num
B.	min & max
C.	abs & count
D.	sqrt() & round
Answer» C. abs & count

Discussion

7.	_____________ is a php super global variable which is used to access global variable from anywhere in PHP script.
A.	$_ localb
B.	$_Global
C.	Client
D.	none of these
Answer» C. Client

Discussion

8.	allows to web pages to be upload asynchronously and exchange the small of data wit server .
A.	Ajax
B.	xml
C.	HTML
D.	CSS
Answer» B. xml

Discussion

9.	Jquery ajax is usefull while working with forms it consist of serialization ,client side , validation ,it is
A.	true
B.	false
C.	both true and false
D.	not know
Answer» B. false

Discussion

10.	XML-RPC is more about values transfer, although it can transfer structures such as struts, lists etc. ,it is _______.
A.	true
B.	false
C.	both
D.	none of these
Answer» B. false

Discussion

11.	________ function creates an XMLHttpRequest object, adds the function to be executed when the server response is ready, and sends the request off to the server.
A.	LoadDoc ()
B.	UDDI
C.	AjaxStrart()
D.	none of these
Answer» B. UDDI

Discussion

12.	loadDoc() function creates an XMLHttpRequest object, adds the function to be executed when the server response is ready, and sends the request off to the server.
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

13.	________ a type of polymorphism in which some or all of operators have different implementations depending on the types of their arguments
A.	overloading
B.	data Abstraction
C.	Encapsulation
D.	member function
Answer» B. data Abstraction

Discussion

14.	PHP 5's new ______ module makes parsing an XML document, well, simple. It turns an XML document into an object that provides structured access to the XML.
A.	Ajax
B.	XML
C.	SimpleXML
D.	BBEdit
Answer» D. BBEdit

Discussion

15.	______is a new technique for creating better, faster, and more interactive web applications with the help of XML, HTML, CSS and Java Script.
A.	Ajax
B.	XML
C.	SimpleXML
D.	BBEdit
Answer» B. XML

Discussion

16.	An_________starts at a root element and branches from the root to child elements.
A.	XML PERSOR
B.	CSS
C.	XML-TREE
D.	None of these
Answer» D. None of these

Discussion

17.	A PHP script starts with :
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

18.	PHP code is executed on the server, and the result is returned to the browser as plain HTML
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

19.	In php, A ___________ is a block of statements that can be used repeatedly in a program.
A.	function
B.	procedure
C.	block
D.	loop
Answer» B. procedure

Discussion

20.	If you create a _______function, PHP will automatically call this function when you create an object from a class.
A.	__construct()
B.	___destruct()
C.	both a and b
D.	none of these
Answer» B. ___destruct()

Discussion

21.	A destructor is called when the object is destructed or the script is stopped or exited.
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

22.	A session is a way to store information (in variables) to be used across multiple pages.
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

23.	Which one of the following databases has PHP supported almost since the beginning?
A.	Oracle Database
B.	SQL
C.	SQL+
D.	MySQL
Answer» E.

Discussion

24.	Which method returns the error code generated from the execution of the last MySQL function?
A.	errno()
B.	. errnumber()
C.	. errorno()
D.	errornumber()
Answer» B. . errnumber()

Discussion

25.	The ____statement is used to perform different actions based on different conditions.
A.	switch
B.	min
C.	abs
D.	sqrt()
Answer» B. min

Discussion

26.	Which one of the following methods recuperates any memory consumed by a result set?
A.	destroy()
B.	remover()
C.	alloc()
D.	free()
Answer» E.

Discussion

27.	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()
Answer» D. . mysqli_connect_error()

Discussion

28.	Which one of the Following methods is responsible for sending the query to Database
A.	query()
B.	send_query( )
C.	sendquery()
D.	query_send()
Answer» B. send_query( )

Discussion

29.	Which method retrieves each row from the prepared statement result and assigns the fields to the bound results?
A.	get_row()
B.	. fetch_row()
C.	. fetch()
D.	row()
Answer» D. row()

Discussion

30.	In PHP $Icon=mySQL_connect("localhost","root","") is used to ____ to the data base .
A.	create
B.	close
C.	connect
D.	none of these
Answer» D. none of these

Discussion

31.	the switch statement is used to perform different actions based on different conditions
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

32.	A ______is called when the object is destructed or the script is stopped or exited.
A.	destructor
B.	constructor
C.	object
D.	none of these
Answer» B. constructor

Discussion

33.	Get and ________ are two HTTP methods that a client use to pass from data server.
A.	get
B.	Post
C.	Server
D.	Client
Answer» C. Server

Discussion

34.	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.
A.	Cookie & cookie
B.	FTP & TCP
C.	GET & POST
D.	HTTP request & HTTP Responses
Answer» B. FTP & TCP

Discussion

35.	Communication between client computers and web servers is done by sending _________________.
A.	HTTP request & HTTP Responses
B.	GET & POST
C.	TCP & FTP
D.	none of these
Answer» B. GET & POST

Discussion

36.	The____ function fetches a result row as an associative array, a numeric array, or both.
A.	fetch array()
B.	Cookie()
C.	S_Array()
D.	D_array()
Answer» B. Cookie()

Discussion

37.	_______ statements reduce parsing time as the preparation on the query is done only once (although the statement is executed multiple times)
A.	Prepared
B.	fetch
C.	array
D.	SSL
Answer» B. fetch

Discussion

38.	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» B. false

Discussion

39.	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.
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

40.	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.
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

41.	Which keyword allows class members (methods and properties) to be used without needing to instantiate a new instance of the class?
A.	protected
B.	. final
C.	static
D.	private
Answer» C. static

Discussion

42.	Which one of the following keyword is used to inherit our subclass into a super class?
A.	. extends
B.	. implements
C.	. inherit
D.	. include
Answer» B. . implements

Discussion

43.	In PHP, there are three types of arrays one is not type of array in php which one:
A.	Indexed arrays -
B.	Associative arrays -
C.	Multidimensional arrays -
D.	polygamy array
Answer» E.

Discussion

44.	A constructor allows you to initialize an object's properties upon creation of the object.
A.	true
B.	false
C.	both a and b
D.	none of these
Answer» B. false

Discussion

45.	________ define the properties and method for accessing and editing xml & html document
A.	Xml_DOM
B.	XML-Persor
C.	HTMl
D.	none of these
Answer» B. XML-Persor

Discussion

46.	The _______ defines a standard way for accessing and manipulating HTML documents. It presents an HTML document as a tree-structure.
A.	HTML DOM
B.	CSS
C.	XML
D.	Form
Answer» B. CSS

Discussion

47.	_______ A class that inherits from another class. This is also called a subclass or derived class.
A.	child class
B.	class
C.	member function
D.	parent Class
Answer» B. class

Discussion

48.	A ______allows you to initialize an object's properties upon creation of the object.
A.	classes
B.	constructor
C.	object
D.	none of these
Answer» C. object

Discussion

49.	__________ refers to a concept where we encapsulate all the data and member functions together to form an object.
A.	overloading
B.	data Abstraction
C.	Encapsulation
D.	member function
Answer» D. member function

Discussion

50.	__________ These are the function defined inside a class and are used to access object data.
A.	child class
B.	class
C.	member function
D.	parent Class
Answer» D. parent Class

Discussion

Explore topic-wise MCQs in Bachelor of Computer Applications (BCA).

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.

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

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

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

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

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

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

allows to web pages to be upload asynchronously and exchange the small of data wit server .

Jquery ajax is usefull while working with forms it consist of serialization ,client side , validation ,it is

XML-RPC is more about values transfer, although it can transfer structures such as struts, lists etc. ,it is _______.

________ function creates an XMLHttpRequest object, adds the function to be executed when the server response is ready, and sends the request off to the server.

loadDoc() function creates an XMLHttpRequest object, adds the function to be executed when the server response is ready, and sends the request off to the server.

________ a type of polymorphism in which some or all of operators have different implementations depending on the types of their arguments

PHP 5's new ______ module makes parsing an XML document, well, simple. It turns an XML document into an object that provides structured access to the XML.

______is a new technique for creating better, faster, and more interactive web applications with the help of XML, HTML, CSS and Java Script.

An_________starts at a root element and branches from the root to child elements.

A PHP script starts with :

PHP code is executed on the server, and the result is returned to the browser as plain HTML

In php, A ___________ is a block of statements that can be used repeatedly in a program.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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.

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

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

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

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

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.

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.

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

Which one of the following keyword is used to inherit our subclass into a super class?

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

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

________ define the properties and method for accessing and editing xml & html document

The _______ defines a standard way for accessing and manipulating HTML documents. It presents an HTML document as a tree-structure.

_______ A class that inherits from another class. This is also called a subclass or derived class.

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

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

__________ These are the function defined inside a class and are used to access object data.

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.