Question 1

how can we provide authetication in Windows Service, So that it will not ask for user credentials at the time of installation

technology programming languages

By reading context values from command prompt
By hard coding the user credentials in Windows Service file
both are correct
both are incorrect

Answer

Correct Option: B

Question 2

Which contract is used in WCF Service for Exceptions

technology programming languages

Message Contract
Exception Contract
Fault COntract
None of the above

Answer

Correct Option: C

Question 3

Which of the following statements is incorrect for MVC

technology programming languages

MVC Framework and MVC Pattern are same
in MVC the flow of execution is determined by controller
Routing is used to redirect user to specific page
Model corresponds Database, View corresponds User Interface and Controller handles

Answer

Correct Option: A

Question 4

how can we provide authetication in Windows Service, So that it will not ask for user credentials at the time of installation

technology programming languages

By reading context values ( User Authentication Details) from command prompt
By hard coding the user credentials in Windows Service file
both are correct
both are incorrect

Answer

Correct Option: C

Question 5

Which contract is used in WCF Service for Exceptions

technology programming languages

Message Contract
Exception Contract
Fault COntract
None of the above

Answer

Correct Option: C

Question 6

How can we manage loss of unhandled packets / Requests in any application

technology programming languages

By using some user defined(Custom) Data Queue
By using Microsoft Messaging Queue (MSMQ)
Both of the above
None of the above

Answer

Correct Option: B

Question 7

class A { public void main(String args[]) { System.out.println("Hello World!"); } } What is the output of the program?

technology programming languages

Hello World!
"Hello World!"
Compilation Fails
Runtime Exception

Answer

Correct Option: D

Question 8

Consider this as a part of a code which has no compilation errors or runtime exceptions 21.Integer i1=1000; 22.Integer i2=1000; 23.System.out.println(i1==i2); what is the output?

technology programming languages

true
false
compilation fails at line 21
compilation fails at line 22

Answer

Correct Option: B

Question 9

class A { public static void main(String args[]) { System.out.println(args.length); } } what is the output if the code is run using command line invocation java A

technology programming languages

NullPointerException
Compilation fails
0
1

Answer

Correct Option: C

Question 10

int[] a,b[] and int a[],b[] are same??

technology programming languages

True
False

Answer

Correct Option: B

Question 11

Which one of these are JVM thrown exceptions??

technology programming languages

NullPointerException
NumberFormatException
ExceptionInInitializerError
IllegalArgumentException

Answer

Correct Option: A,C

Question 12

Which one of these are true regarding inheritance in java??

technology programming languages

A class can extend multiple classes
An interface can extend multiple classes
An interface can implement multiple interfaces
A class can extend multiple interfaces
A class can implement multiple interfaces
An interface can extend multiple interfaces

Answer

Correct Option: E,F

Question 13

Given a part of code tell the output(Assume that the code is perfect ie no compiler error or runtime exceptions) Pattern p=Pattern.compile("\d+"); Matcher m=p.matcher("345678"); while(m.find()) { System.out.print("-"+m.group()+"-"); }

technology programming languages

-345678-
-3--4--5--6--7--8-
-3--34--345--3456--34567--345678-
-345678--345678--345678--345678--345678--345678--345678-

Answer

Correct Option: A

Question 14

Consider the following code snippet String s1="Hello"; String s2=s1; s1.concat("World"); System.out.println(s1+"---"+s2); What is the output??

technology programming languages

Hello---Hello
Hello---HelloWorld
HelloWorld---Hello
HelloWorld---HelloWorld

Answer

Correct Option: A

Question 15

Which one of these are legal combinations when used with a method??

technology programming languages

abstract final
abstract static
static final
private abstract

Answer

Correct Option: C

Question 16

class A { public void add(int,int) { System.out.println("Normal"); } public void add(int... a) { System.out.println("Varargs"); } public static void main(String... args) { new A().add(9,9); } } what is the output??

technology programming languages

Varargs
Normal
Compilation Fails
Runtime Exception

Answer

Correct Option: B

Question 17

Inode contains the following fields?

technology programming languages

File owner and File type
File access permission and File access tie
Number of Links, File size and Location of the file data
All of the above

Answer

Correct Option: D

Question 18

In a crontab the job to be executed is scheduled as follows . 10 06 * 8 6 Job to be scheduled Which of the following statement is true?

technology programming languages

Command will be executed on every Sunday in 06:10 in September
Command will be executed on every Saturday at 10:06 in August
Command will be executed on every Sunday at 10:06 in September
Command will be executed on every Saturday at 6:10 in August

Answer

Correct Option: D

Question 19

How can I forward all the arguments given to my script to another command? Here Command is the name of the command to be execute.

technology programming languages

Command “@$”
command ${@:+"[email protected]"}
command ${"[email protected][email protected]:”}
Command “$?”

Answer

Correct Option: B

Question 20

The fork() system call is used for the following process management

technology programming languages

To increase/decrease the data segment size of a process
To create a new process
To bias the existing priority of a process
To get parent process identifier

Answer

Correct Option: B

Description: programming languages Online Quiz - 94
Number of Questions: 20
Created by: Aliensbrain Bot
Tags: programming languages

programming languages Online Quiz - 94

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