1698 + Mcqs in General Knowledge Page 17 McqOptions

801.	Which option is false for the following code? class A { private : int sum(int x, int y) { return x+y; } public: A() { } A(int x, int y) { cout<<sum(x,y); } };
A.	Constructor can be created with zero argument
B.	Constructor prints sum, if two parameters are passed with object creation
C.	Constructor will give error if float values are passed
D.	Constructor will take 0 as default value of parameters if not passed
Answer» E.

Discussion

802.	Which member will never be used from the following class? class A() { int marks; char name[20]; public : A() { marks=100; } void disp() { cout<< Marks= &lt'<marks; cout<< Student ; } };
A.	Name variable will never be used
B.	Marks variable will never be used
C.	Constructor will never be used
D.	Disp() function will never be used
Answer» B. Marks variable will never be used

Discussion

803.	Which data member in following code will be used whenever an object is created? Class A { int x; int y; int z; public : A() { y=100; x=100*y; } };
A.	X will be used
B.	Y will be used
C.	Z will be used
D.	All will be used
Answer» D. All will be used

Discussion

804.	Which member can be considered most secure in the code below? class A() { int a; private : int b; protected : int c; public : int d; };
A.	A
B.	B
C.	C
D.	D
Answer» C. C

Discussion

805.	Which among the following is correct for the code given below? class A { private : A() { } public : A(int x) { } }; A a; A b(100);
A.	Program will give compile time error
B.	Program will run fine
C.	Program will give runtime error
D.	Program will give logical error
Answer» B. Program will run fine

Discussion

806.	For the following code, choose the correct option: class A { int marks; protected : A() { marks=100; } public : A( int x) { marks=x; } };
A.	The instances can be created only in subclasses
B.	The instances can be created only in main() function
C.	The instances can be created only in parent class
D.	The instances can be created anywhere in the program
Answer» E.

Discussion

807.	Predict the output of the program. class A { public int i; }; void main() { A x; A y=x; x.i=10; y.i=20; y.i++; y.i=20; cout&l;<tx.i; }
A.	10
B.	20
C.	21
D.	0
Answer» C. 21

Discussion

808.	What will be the output if all necessary code is included (Header files and main function)? void test (Object &y) { y = "It is a string"; } void main() { Object x = null; test (x); System.out.println (x); }
A.	Run time error
B.	Compile time error
C.	Null
D.	It is a string
Answer» E.

Discussion

809.	All these characters in a string , ?, *, , &Hat, $, ] are escaped by
A.	Remove ( ) function
B.	Removechar ( )
C.	Addslashes ( )
D.	Quotemeta ( )
Answer» E.

Discussion

810.	In Perl-compatible patterns any pattern that is followed by ? this means that
A.	Match this pattern 1 or more times
B.	Match this pattern exactly 1 time
C.	Match this pattern 0 times
D.	None of them
Answer» C. Match this pattern 0 times

Discussion

811.	What is meaning of . in POSIX style regex?
A.	Matches any character of a string
B.	Matches the beginning of a string
C.	Matches the end of a string
D.	None of them
Answer» B. Matches the beginning of a string

Discussion

812.	Which of the following PHP function is commonly used when handling authentication via PHP? i) $_SERVER[ PHP_AUTH_USER ]. ii) $_SERVER[ PHP_AUTH_USERS ]. iii) $_SERVER[ PHP_AUTH_PU ]. iv) $_SERVER[ PHP_AUTH_PW ].
A.	I) and iv)
B.	Ii) and iv)
C.	Ii) and iii)
D.	I) and iii)
Answer» B. Ii) and iv)

Discussion

813.	In which of the following situations does file-based authentication become inconvenient. i) small list ii) large number of user iii) users are being regularly added iv) static authentication
A.	I) and iv)
B.	I) and iii)
C.	Ii) and iii)
D.	Ii) and iv)
Answer» D. Ii) and iv)

Discussion

814.	HTTP fopen tries to open an HTTP 1.0 connection to a file of a type
A.	0
B.	1
C.	1.2
D.	1.3
Answer» B. 1

Discussion

815.	Syslog function allows you to
A.	Open a system for a program
B.	Generate a message
C.	Delete a File
D.	Both a and b
Answer» E.

Discussion

816.	Which function is identical to fsockopen ( )
A.	Open ( )
B.	Fopen ( )
C.	Pfsockopen ( )
D.	None of them
Answer» D. None of them

Discussion

817.	Rmdir (directory) function is used for
A.	Removing files directory
B.	Removing empty directory
C.	Removing all old directories
D.	All of them
Answer» C. Removing all old directories

Discussion

818.	A socket is a kind of dedicated program that allows different programs to
A.	Communicate
B.	Send messages between them
C.	Create connection with web server
D.	All of them
Answer» E.

Discussion

819.	Web and database servers communicate via
A.	Fsockopen ( )
B.	Open ( )
C.	Fopen ( )
D.	Copen ( )
Answer» B. Open ( )

Discussion

820.	Fpassthru ( ) function reads all data from current position in an open file until
A.	Middle of the file
B.	End of the file
C.	First line of the file
D.	None of them
Answer» C. First line of the file

Discussion

821.	What will be the output of the following PHP code? <?php echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid'); ?>
A.	TRUE
B.	FALSE
C.	Valid
D.	Invalid
Answer» E.

Discussion

822.	What will be the output of the following code? If say date is 22/06/2013. <?php echo "Today is ".date("F d, Y") ?>
A.	Today is 22 June, 2013
B.	Today is 22-06-2013
C.	Today is 06-22-2013
D.	Today is June 22, 2013
Answer» E.

Discussion

823.	What will be the output of the following PHP code? If say date is 22/06/2013. <?php printf( date("t") ) ?>
A.	30
B.	22
C.	JUNE
D.	2013
Answer» B. 22

Discussion

824.	Which one from following is a DNS function?
A.	Stat ( )
B.	Symlink ( )
C.	Gethostbyaddr ( )
D.	All of them
Answer» D. All of them

Discussion

825.	A filesystem function clearstatcache ( ) id used for
A.	Deleting files
B.	Changing the state of cache
C.	Clears cache of file status info
D.	None of them
Answer» D. None of them

Discussion

826.	Fread ( ) function will stop at end of file or when it reaches to
A.	The specified location
B.	The specified width
C.	The specified length
D.	All of them
Answer» D. All of them

Discussion

827.	Mktime ( ) function allows you to convert any date into a
A.	String
B.	Characters
C.	Timestamp
D.	None of them
Answer» D. None of them

Discussion

828.	File_get_contents function is included in
A.	PHP1
B.	PHP2.1
C.	PHP3.4.0
D.	PHP4.3.0
Answer» E.

Discussion

829.	Fread ( ) function has parameter, file and
A.	Width
B.	Length
C.	File name
D.	None of them
Answer» C. File name

Discussion

830.	If a file already exists symbol r+ is used for
A.	Read only
B.	Read and write
C.	Write only
D.	All of them
Answer» C. Write only

Discussion

831.	Syslog function is an example of
A.	Network function
B.	HTML function
C.	Server function
D.	None of them
Answer» B. HTML function

Discussion

832.	Fpassthru ( ) function writes result into a
A.	Output buffer
B.	String
C.	Register
D.	None of them
Answer» B. String

Discussion

833.	Sockets are not destroyed when script exits, is property of
A.	Fsockopen ( )
B.	Fopen ( )
C.	Get_open( )
D.	Pfsockopen
Answer» E.

Discussion

834.	Feof ( ) function is used in
A.	For loop
B.	While loop
C.	Switch statement
D.	All of them
Answer» C. Switch statement

Discussion

835.	Fclose ($fd) is an example of
A.	File write function
B.	File close function
C.	File read function
D.	None of them
Answer» C. File read function

Discussion

836.	$hostname, $port, [error number, error string, timeout in seconds] all are parameters of
A.	Fsockopen ( )
B.	Pfsockopen ( )
C.	Fopen ( )
D.	Both a and b
Answer» E.

Discussion

837.	Fileperms ( ) function returns what?
A.	Returns file permission level
B.	Returns file parameters
C.	Returns file modification time
D.	None of them
Answer» B. Returns file parameters

Discussion

838.	How many types of calendars are offered by PHP?
A.	2
B.	3
C.	4
D.	5
Answer» E.

Discussion

839.	Which from following calendar is offered by PHP?
A.	Julian
B.	Unixian
C.	Jewish
D.	All of them
Answer» E.

Discussion

840.	Which function is used to return date information?
A.	Date ( )
B.	Time_date ( )
C.	Getdate ( )
D.	All of them
Answer» D. All of them

Discussion

841.	For checking existence of DNS records, which function is used?
A.	Get_dns ( )
B.	Checkdnsrr ( )
C.	Get_hostdns ( )
D.	None of them
Answer» C. Get_hostdns ( )

Discussion

842.	A large number of PHP functions are duplicated from
A.	Windows
B.	Macintosh
C.	Unix
D.	All of them
Answer» D. All of them

Discussion

843.	Global $count; this statement indicates what?
A.	A variable is declared with that name of global
B.	A constant is defined
C.	Count variable declaration
D.	Count variable declaration with global scope
Answer» E.

Discussion

844.	Two broad types of control structures is branching and
A.	Looping
B.	Coding
C.	Structuring
D.	None of them
Answer» B. Coding

Discussion

845.	Two main structures of branching are
A.	If and switch
B.	If and Do while
C.	If and for
D.	None of them
Answer» B. If and Do while

Discussion

846.	Which of following operations are supported by PHP?
A.	AND
B.	OR, Exclusive OR
C.	Not
D.	All of them
Answer» E.

Discussion

847.	Loops that iterate for fixed number of times is called
A.	Unbounded loops
B.	Bounded loops
C.	While loops
D.	For loops
Answer» C. While loops

Discussion

848.	Which loop evaluates condition expression as Boolean, if it is true, it executes statements and when it is false it will terminate?
A.	For loop
B.	For each loop
C.	While loop
D.	All of them
Answer» D. All of them

Discussion

849.	What will be the output of the following PHP code ? <?php $a = 10; if (0) print "all"; if else print "some" ?>
A.	All
B.	Some
C.	Error
D.	No output
Answer» D. No output

Discussion

850.	What will be the output of the following PHP code ? <?php $a = ""; if ($a) print "all"; if else print "some"; ?> a) all
A.	All
B.	Some
C.	Error
D.	No output
Answer» C. Error

Discussion

Explore topic-wise MCQs in General Awareness.

Which option is false for the following code? class A { private : int sum(int x, int y) { return x+y; } public: A() { } A(int x, int y) { cout&lt;&lt;sum(x,y); } };

Which member will never be used from the following class? class A() { int marks; char name[20]; public : A() { marks=100; } void disp() { cout&lt;&lt; Marks= &amp;lt'&lt;marks; cout&lt;&lt; Student ; } };

Which data member in following code will be used whenever an object is created? Class A { int x; int y; int z; public : A() { y=100; x=100*y; } };

Which member can be considered most secure in the code below? class A() { int a; private : int b; protected : int c; public : int d; };

Which among the following is correct for the code given below? class A { private : A() { } public : A(int x) { } }; A a; A b(100);

For the following code, choose the correct option: class A { int marks; protected : A() { marks=100; } public : A( int x) { marks=x; } };

Predict the output of the program. class A { public int i; }; void main() { A x; A y=x; x.i=10; y.i=20; y.i++; y.i=20; cout&amp;l;&lt;tx.i; }

What will be the output if all necessary code is included (Header files and main function)? void test (Object &amp;y) { y = "It is a string"; } void main() { Object x = null; test (x); System.out.println (x); }

All these characters in a string , ?, *, , &Hat, $, ] are escaped by

In Perl-compatible patterns any pattern that is followed by ? this means that

What is meaning of . in POSIX style regex?

Which of the following PHP function is commonly used when handling authentication via PHP? i) $_SERVER[ PHP_AUTH_USER ]. ii) $_SERVER[ PHP_AUTH_USERS ]. iii) $_SERVER[ PHP_AUTH_PU ]. iv) $_SERVER[ PHP_AUTH_PW ].

In which of the following situations does file-based authentication become inconvenient. i) small list ii) large number of user iii) users are being regularly added iv) static authentication

HTTP fopen tries to open an HTTP 1.0 connection to a file of a type

Syslog function allows you to

Which function is identical to fsockopen ( )

Rmdir (directory) function is used for

A socket is a kind of dedicated program that allows different programs to

Web and database servers communicate via

Fpassthru ( ) function reads all data from current position in an open file until

What will be the output of the following PHP code? &lt;?php echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid'); ?&gt;

What will be the output of the following code? If say date is 22/06/2013. &lt;?php echo "Today is ".date("F d, Y") ?&gt;

What will be the output of the following PHP code? If say date is 22/06/2013. &lt;?php printf( date("t") ) ?&gt;

Which one from following is a DNS function?

A filesystem function clearstatcache ( ) id used for

Fread ( ) function will stop at end of file or when it reaches to

Mktime ( ) function allows you to convert any date into a

File_get_contents function is included in

Fread ( ) function has parameter, file and

If a file already exists symbol r+ is used for

Syslog function is an example of

Fpassthru ( ) function writes result into a

Sockets are not destroyed when script exits, is property of

Feof ( ) function is used in

Fclose ($fd) is an example of

$hostname, $port, [error number, error string, timeout in seconds] all are parameters of

Fileperms ( ) function returns what?

How many types of calendars are offered by PHP?

Which from following calendar is offered by PHP?

Which function is used to return date information?

For checking existence of DNS records, which function is used?

A large number of PHP functions are duplicated from

Global $count; this statement indicates what?

Two broad types of control structures is branching and

Two main structures of branching are

Which of following operations are supported by PHP?

Loops that iterate for fixed number of times is called

Which loop evaluates condition expression as Boolean, if it is true, it executes statements and when it is false it will terminate?

What will be the output of the following PHP code ? &lt;?php $a = 10; if (0) print "all"; if else print "some" ?&gt;

What will be the output of the following PHP code ? &lt;?php $a = ""; if ($a) print "all"; if else print "some"; ?&gt; a) all

Which option is false for the following code? class A { private : int sum(int x, int y) { return x+y; } public: A() { } A(int x, int y) { cout<<sum(x,y); } };

Which member will never be used from the following class? class A() { int marks; char name[20]; public : A() { marks=100; } void disp() { cout<< Marks= &lt'<marks; cout<< Student ; } };

Predict the output of the program. class A { public int i; }; void main() { A x; A y=x; x.i=10; y.i=20; y.i++; y.i=20; cout&l;<tx.i; }

What will be the output if all necessary code is included (Header files and main function)? void test (Object &y) { y = "It is a string"; } void main() { Object x = null; test (x); System.out.println (x); }

What will be the output of the following PHP code? <?php echo (checkdate(4,31,2010) ? 'Valid' : 'Invalid'); ?>

What will be the output of the following code? If say date is 22/06/2013. <?php echo "Today is ".date("F d, Y") ?>

What will be the output of the following PHP code? If say date is 22/06/2013. <?php printf( date("t") ) ?>

What will be the output of the following PHP code ? <?php $a = 10; if (0) print "all"; if else print "some" ?>

What will be the output of the following PHP code ? <?php $a = ""; if ($a) print "all"; if else print "some"; ?> a) all