Praveen Singh Programming MCQs

Q. What is the use of try & catch?

Q. In Java, which keyword is used to implement inheritance between classes?

Q. In Java, can a subclass override a final method from its superclass?

Q. In Java, can a subclass access public members (fields and methods) of its superclass defined in another package?

Q. What is the purpose of the "protected" access modifier in Java inheritance?

Q. In Java, can a subclass override a default method from its superclass?

Q. Which of these keywords can be used to prevent inheritance of a class?

Q. Which of these class relies upon its subclasses for complete implementation of its methods?

Q. What will be the output of the following Java code?
class A 
{
    public int i;
    protected int j;
}    
class B extends A 
{
    int j;
    void display() 
    {
        super.j = 3;
        System.out.println(i + " " + j);
    }
}    
class Output 
{
    public static void main(String args[])
    {
        B obj = new B();
        obj.i=1;
        obj.j=2;   
        obj.display();     
    }
}

Q. What will be the output of the following Java code?
class A 
{
    public int i;
    public int j;
    A() 
   {
        i = 1;
        j = 2;
}
}    
class B extends A 
{
    int a;
B() 
    {
        super();
    } 
}    
class super_use 
{
    public static void main(String args[])
    {
        B obj = new B();
        System.out.println(obj.i + " " + obj.j)     
    }
}

Q. Which of the following is used for implementing inheritance through class?

Q. toRadian() and toDegree() methods were added by which version of Java?

Q. Which of these package is used for graphical user interface?

Q. Which of these methods return a smallest whole number greater than or equal to variable X?

Q. What will be the output of the following Java program?
import java.io.*;
public class filesinputoutput 
{
  public static void main(String[] args) 
    {
 String obj  = "abc";
       byte b[] = obj.getBytes();
       ByteArrayInputStream obj1 = new ByteArrayInputStream(b);
       for (int i = 0; i < 2; ++ i) 
       {
           int c;
           while ((c = obj1.read()) != -1) 
           {
             if (i == 0) 
               {
                   System.out.print(Character.toUpperCase((char)c));
                   obj2.write(1); 
             }
           }
           System.out.print(obj2);
       }
    }
}

Q. What will be the output of the following Java code snippet?
int a = random.nextInt(15) + 1;

Q. What will be the output of the following Java program?
class Output
{
    public static void main(String args[])
    {
        int a = Character.MIN_VALUE;
        System.out.print((char)a);
    }
}

Q. What is the result of the following code snippet?

interface MyInterface {
default void myMethod() {
System.out.println("Default Implementation");
}
}
class MyClass implements MyInterface {
public static void main(String[] args) {
MyInterface obj = new MyClass();
obj.myMethod();
}
}

Q. interface Base{
      boolean m1 ();
      byte m2(short s);
}

which two code fragments will compile?
1. interface Base2 implements Base {}

2. abstract class Class2 extends Base
    { public boolean m1(){ return true; }}

3. abstract class Class2 implements Base {}

4. abstract class Class2 implements Base
    { public boolean m1(){ return (7 > 4); }}

5. abstract class Class2 implements Base
    { protected boolean m1(){ return (5 > 7) }}

Q. Which of these method returns the remainder of dividend / divisor?

Q. Which of these methods of Byte wrapper can be used to obtain Byte object from a string?

Q. What will be the output of the following Java program?
package pkg;
class output 
{
    public static void main(String args[])
    { 
        StringBuffer s1 = new StringBuffer("Hello");
        s1.setCharAt(1, x);
        System.out.println(s1);
    }
}

Q. What will be the output of the following Java program?
import java.io.*;
public class filesinputoutput 
{
  public static void main(String[] args) 
    {
 String obj  = "abc";
       byte b[] = obj.getBytes();
       ByteArrayInputStream obj1 = new ByteArrayInputStream(b);
       for (int i = 0; i < 2; ++ i) 
       {
           int c;
           while ((c = obj1.read()) != -1) 
           {
             if(i == 0) 
               {
                 System.out.print((char)c); 
             }
           }
       }
    }
}

Q. Which of these method is a rounding function of Math class?

Q. What will be the output of the following Java program?
package pkg;
class output 
{
    public static void main(String args[])
    {
        StringBuffer s1 = new StringBuffer("Hello World");
        s1.insert(6 , "Good ");
        System.out.println(s1);
    }
}

Note : Output.class file is not in directory pkg.

Q. What is the purpose of method overriding in Java?

Q. In method overriding, is it mandatory for the method name in the subclass to be the same as the method name in the superclass?

Q. ____________ method cannot be overridden.

Q. What will be the output of the following program code?
class Rectangle{
      public int area(int length, int width){
            return  length*width;
      }
}
class Square extends Rectangle{
      public int area(long length, long width){
            return  (int) Math.pow(length, 2);
      }
}
public class Test{
      public static void main(String args[]){
            Square r = new Square();
            System.out.println(r.area(5 , 4));
      }
}

Q. What will be the output of the following Java code?
class A
{
 public void m1 (int i,float f)
 {
  System.out.println(" int float method");
 }
 
 public void m1(float f,int i);
  {
  System.out.println("float int method");
  }
 
  public static void main(String[]args)
  {
    A a=new A();
        a.m1(20,20);
  }
}

Q. What will be the output of the following Java code?
class test 
{
    int a;
    int b;
    void meth(int i , int j) 
    {
        i *= 2;
        j /= 2;
    }          
}    
class Output 
{
    public static void main(String args[])
    {
        test obj = new test();
  int a = 10;
        int b = 20;             
        obj.meth(a , b);
        System.out.println(a + " " + b);        
    } 
}

Q. In Java, can an interface have fields (member variables)?

Q. In Java, can a class implement multiple interfaces?

Q. What is the return type of a constructor in Java?

Q. Which keyword is used to call the constructor of the superclass in a subclass constructor?

Q. What is the output for the below code?
public class Test{
      public static void printValue(int i, int j, int k){
            System.out.println("int");
      }

      public static void printValue(byte...b){
            System.out.println("long");
      }

      public static void main(String... args){
            byte b = 9;
            printValue(b,b,b);
      }
}

Q. What is the output for the below code?
public class A{
      int add(int i, int j){
            return i+j;
      }
}
public class B extends A{
      public static void main(String argv[]){
            short s = 9;
            System.out.println(add(s,6));
      }
}

Q. What is true about Class.getInstance()?

Q. Which component is responsible to run java program?

Q. Which of the following is a garbage collection technique?

Q. What will be the output of the following Java program?
class box 
{
    int width;
    int height;
    int length;
    int volume;
    void volume(int height, int length, int width) 
    {
         volume = width*height*length;
    } 
}    
class Prameterized_method
{
    public static void main(String args[])
    {
        box obj = new box();
        obj.height = 1;
        obj.length = 5;
        obj.width = 5;
        obj.volume(3,2,1);
        System.out.println(obj.volume);        
    } 
 }

Q. Which of the following statements are incorrect?

Q. Which of this statement is incorrect?

Q. Which of the following is a unary operator in Java?

Q. What will be the output for the below code?

Q. What will be the output of the following Java program?

Q. Which of these lines of Java code will give better performance?
1. a | 4 + c >> b & 7; 
2. (a | ((( 4 * c ) >> b ) & 7 ))

Q. What will be the output of the following Java program?

Q. Which of these operators can be used to concatenate two or more String objects?

Q. What is the result of the expression "Java".replace("a", "o") in Java?

Q. Which method is used to split a string into an array of substrings based on a specified delimiter in Java?

Q. Which of the following are incorrect form of StringBuffer class constructor?

Q. What is the highest index of an array with 10 elements in Java?

Q. How do you declare a dynamic array (ArrayList) of integers in Java?

Q. Which method is used to remove all elements from an ArrayList in Java?

Q. What will be the output?
public class Test{
        public static void main(String[] args){
                int[] x = new int[3];
                System.out.println("x[0] is " + x[0]);
        }
}

Q. In Java, which access modifier allows a method or variable to be accessed within the same package only?

Q. What will be the output for the below code?
public class Test{
      static{
            int a = 5; 
      }

      public static void main(String[] args){
            System.out.println(a);
      }
}

Q. Determine Output:
class MyClass{
      static final int a = 20;

      static final void call(){
            System.out.println("two");
      }
 
      static{
            System.out.println("one");
      }
}

public class Test{
      public static void main(String args[]){
            System.out.println(MyClass.a);
      }
}

Q. Which of the following is the correct way to declare a byte variable named myByte and initialize it to 5 in Java?

Q. What is the output of the following program?
public class Test{
 static int x  = 10 ;
        public static void main(String[] a){
   Test test = new Test( ) ; 
   Test test1 = new Test( ) ;
   test.x  +=  1 ;
   System.out.println(  test.x + test1.x ) ;    
 }
}

Q. What is the output for the below code?
public class Test{
      public static void main(String[] args){
            byte b = 6;
            b+=8;
            System.out.println(b);
            b = b+7;
            System.out.println(b);
      }
}

Q. What does LocalTime represent?

Q. Which statement is valid if '`sampledb`' is a database and '`tbl`' is a table in it?

Q. Which clause is used with an "aggregate functions"?

Q. Which among the following data types can be used with "Range Condition"?

Q. Which statement is used to check how MySQL would execute a SELECT query?

Q. What is the default format for "Datetime" data type?

Q. What does 'abc' || 'xyz' result in if the PIPES_AS_CONCAT is disabled?

Q. Which file is created by the server to store the database attributes?

Q. How can a view refer to multiple tables?

Q. "CREATE TABLE ..." command is used to create which type of table in Mysql?

Q. When the security context enables carefully written stored programs to be set up that provide controlled access to tables for users, it is called . . . . . . . .

Q. In which join all the rows from the left table appear in the output irrespective of the content of the other table?

Q. What will be the output of the following MySQL statement "true AND Null"?

Q. Usage of aggregates in WHERE clause is disallowed.

Q. To execute the contents of a query file 'exec.sql' by feeding it to mysql, which command is used?

Q. The variable that checks for availability of SSL support is . . . . . . . .

Q. Which of the following is case sensitive?

Q. What is the maximum non zero values for DOUBLE?

Q. What represents a 'tuple' in a relational database?

Q. Replication enables data from one MySQL database server to be copied to one or more MySQL database servers.

Q. Where does MySQL Enterprise Backup record details of each backup?

Q. The JDBI interface is available for . . . . . . . .

Q. What is the isolation property of transactions?

Q. Post MySQL 6.0, utf8 was . . . . . . . .

Q. Which server mode value enables use of double quotes to wrap identifier names?

Q. Which keyword is used for sorting the data in descending order in Mysql?

Q. Can "SELECT" clause be used without the clause "FROM"?

Q. What will be the output of the following MySQL command?
SELECT emp_id, fname, lname
FROM employee
WHERE title=’HEAD TELLER’;

Q. What is used to produce a new string from an old string in the desired character set?

Q. Mysql cannot be used to execute script files.

Q. What is xyz in the following MySQL statement?
CREATE VIEW xyz AS SELECT a, b FROM t;

Q. STRICT_ALL_TABLES turns on stricter checking of data values.

Q. Which option is used in mysqldump to make all tables in the destination databases to use a different storage engine?

Q. What is the command to see the warning messages?

Q. INFORMATION_SCHEMA is not based on the SQL standard.

Q. The datatype that means a variable length non binary string is . . . . . . . .

Q. Converting a client/server application to embedded server is difficult.

Q. It is possible to drop multiple tables in the same statement.

Q. The 'A' in the ACID property of transactions is . . . . . . . .

Q. The function that returns a reference to an array of row values is . . . . . . . .

Q. Which keyword inserted in the SHOW STATUS statement shows the values for the current connection?

Q. Which is the correct format to store date in the SQL?

Q. In the following MySQL command how many rows will be updated?
UPDATE person
SET lname=’s’,
Fname=’p’,
WHERE person_id<10;
/* person_id is a primary key */

Q. Which table in the 'INFORMATION_SCHEMA' stores information about storage engines and server plugins?

Q. Which of these operators does not perform relative-value comparisons?

Q. 'fetchrow_hashref()' returns a reference to the hash of row values keyed by what?

Q. FULLTEXT indexes can be created only for . . . . . . . .

Q. Which of the following characters cannot be used as a delimiter?

Q. The server listens on a network port for TCP/IP connections unless started with the option . . . . . . . .

Q. The command to see the warning messages is . . . . . . . .

Q. Which is the correct decreasing order for highly developed text manipulation capabilities?

Q. What is the significance of "ORDER BY emp_id DESC" in the following MySQL command?
SELECT emp_id, fname, lname
FROM person
ORDER BY emp_id DESC;

Q. Which of the following statements is not true?

Q. To change font size of a selected slide title, you?

Q. Microsoft Office Accounting is

Q. Microsoft Word is a word processor that saves in its proprietary————format.

Q. What happens when a user double-clicks an object in the Project pane of the Visual Basic Editor?

Q. In a query\'s Design View, right-clicking the sloping portion of the join line between two tables and selecting Delete will delete what?

Q. In a query, what symbol is used to surround a parameter\'s user prompt?

Q. Which of the following statement is true?

Q. What is the primary benefit of using NiFi's data provenance feature?

Q. In NiFi, what is the role of the "DetectDuplicate" processor?

Q. What is the purpose of NiFi's "ListenSyslog" processor?

Q. What is the purpose of Hadoop's Secure Shell (SSH) in a secure Hadoop environment?

Q. What is the purpose of Hadoop's Impersonation in the context of security?

Q. Spark runs on top of . . . . . . . . a cluster manager system which provides efficient resource isolation across distributed applications.

Q. Spark SQL provides a domain-specific language to manipulate . . . . . . . . in Scala, Java, or Python.

Q. Which of the following language is not supported by Spark?

Q. Sally in data processing uses . . . . . . . . to cleanse and prepare the data.

Q. Point out the correct statement.

Q. Point out the wrong statement.

Q. A key of type . . . . . . . . is generated which is used later to join ngrams with their heads and tails in the reducer phase.

Q. In HBase, what is the significance of the HRegionServer?

Q. What is the primary role of the HBase HFile?

Q. In HBase, what is the significance of the HBase Data Block Encoding?

Q. What is the role of the Oozie SLA Alert in workflow automation?

Q. BatchEE projects aims to provide an . . . . . . . . implementation. (aka JSR352)

Q. Point out the correct statement.

Q. HICC, the Chukwa visualization interface, requires HBase version . . . . . . . .

Q. In Hive, what is the significance of the JOIN ON clause?

Q. The . . . . . . . . allows users to read or write Avro data as Hive tables.

Q. Point out the wrong statement.

Q. . . . . . . . . permits data written by one system to be efficiently sorted by another system.

Q. Pig operates in mainly how many nodes?

Q. In Hadoop, what is the function of the NameNode in the Hadoop Distributed File System (HDFS)?

Q. In Hadoop, what is the role of the Hadoop ResourceManager "Capacity Scheduler" in a Hadoop cluster?

Q. In Hadoop, what is the function of the Hadoop NameNode in the Hadoop Distributed File System (HDFS)?

Q. Which of the following is a common reason to restart hadoop process?

Q. . . . . . . . . does not support the notion of enclosing characters that may include field delimiters in the enclosed string.

Q. If the table has been configured with the . . . . . . . . property, the coordinator node for the read request will retry the request with another replica node.

Q. The . . . . . . . . tool imports a set of tables from an RDBMS to HDFS.

Q. . . . . . . . . is used to filter log files from the output directory listing.

Q. Which Hadoop component is suitable for handling and processing structured data?

Q. Which Apache project is used for data ingestion from relational databases?

Q. What is the significance of the Hadoop MapReduce job tracker?

Q. What is the primary purpose of the MapReduce "Sort and Shuffle" phase?

Q. The number of maps is usually driven by the total size of . . . . . . . .

Q. Although the Hadoop framework is implemented in Java, MapReduce applications need not be written in . . . . . . . .

Q. . . . . . . . . is the default Partitioner for partitioning key space.

Q. . . . . . . . . function is responsible for consolidating the results produced by each of the Map() functions/tasks.

Q. What is the role of the Hadoop TaskTracker in MapReduce?

Q. What is the significance of the Hadoop MapReduce "Custom InputFormat" in advanced MapReduce?

Q. Point out the wrong statement.

Q. Point out the correct statement.

Q. For running hadoop service daemons in Hadoop in secure mode . . . . . . . . principals are required.

Q. Apache Hadoop YARN stands for . . . . . . . .

Q. . . . . . . . . is used for storing one of the replicas in SSD.

Q. What is the specialty of the Default button?

Q. What are listed in a Properties Window?

Q. What is the use of OLE

Q. Between the function's . . . . . . . . and . . . . . . . . you enter the instructions to process when the function is invoked.

Q. . . . . . . . . operator returns true, if all the sub-conditions are true.

Q. The size of . . . . . . . . is determined by the label's margin property.

Q. A function's header includes the . . . . . . . . data type.

Q. The . . . . . . . . keyword indicates that the property's value can be retrieved (read) by an application.

Q. To see the underlined hidden access key, you can do so, by pressing the . . . . . . . . key.

Q. The function of the . . . . . . . . is to present a list of items where the user can click and select the items from the list.

Q. The . . . . . . . . validator is used to display all of the validation error messages in a single location on aWeb page.

Q. . . . . . . . . variables are not reinitialized each time Visual Invokes a procedure and therefore retains or preserves value even when a procedure ends

Q. In the following code, the body of If will execute if txtState.Text contains?

Q. . . . . . . . . is used to differentiate the one redio button group to another radio button group.

Q. Form is called as the . . . . . . . .

Q. You refer to the member variable by preceding its name with the name of the . . . . . . . . in which it is defined.

Q. The . . . . . . . . show the various characteristics of selected objects or controls.

Q. When you place . . . . . . . . control into the form and run the program, you will be able to select different drives from your compute

Q. Which of the following is false?

Q. The most common event associated with the command button is the Click event,

Q. Which of the following statement is used to define a class in visual basic?

Q. When an expression contains more than one operator with same priority, then they are evaluated according their . . . . . . . .

Q. The . . . . . . . . operator is used to divide two integers.

Q. You specify each item to display in a list box using the Items collection's. . . . . . . .

Q. To include the image file in the project itself, the Project Resource file radio button must be selected from which dialog box?

Q. A . . . . . . . . is defined as a zero or more characters enclosed in quotation marks.

Q. The intNums array is declared as follows: Dim intNums() As Integer = {10, 5, 7, 2}. Which of the following blocks of code correctly calculates the average value stored in the array? The intTotal, intSub, and dblAvg variables contain the number 0 before the loops are processed.

Q. Toolbar is display at the . . . . . . . . of the mdi form.

Q. One of its most important properties of text box is . . . . . . . .

Q. The range of Integer data type is . . . . . . . . to . . . . . . . .

Q. Which distribution comes up a lot in Bayesian statistics because it is a good model for one's prior beliefs about a population proportion?

Q. How do you join two data frames based on a common column using dplyr's left_join()?

Q. What is the purpose of the break statement in a loop in R?

Q. Point out the wrong statement?

Q. What will be the output of the following R code?
> g <- function(x) {
+               a <- 3
+               x+a+y
+             ## 'y' is a free variable
+ }
> y <- 3
> g(2)

Q. Which of the following code is used to get an attribute in a HTTP Session object in servlets?

Q. Which of the following methods are needed for loading a database driver in JDBC?

Q. How many types of JDBC drivers are available?

Q. Which of the following is advantage of using JDBC connection pool?

Q. Which JSP Action tags is used to include the content of another resource,it May be jsp, html or servlet?

Q. Which cookie it is valid for single session only and it is removed each time when the user closes the browser?

Q. Which of these is an instance variable of httpd that is a Hashtable?

Q. Which of these method of httpd class is used to get report on each hit to HTTP server?

Q. Which of these method of DatagramPacket is used to find the length of byte array?

Q. Which of these class is used to encapsulate IP address and DNS?

Q. how many ports TCP/IP are reserved for specific protocol?

Q. Show some networking terminology given below?

Q. In Inetaddress class which method returns the host name of IP address?

Q. Which is a one-way communication only between the client and the server and it
is not a reliable and there is no confirmation regarding reaching the message to
the destination?

Q. Which command is used to display the system's hostname in Linux?

Q. What is the purpose of the 'wget' command in Linux?

Q. Which command is used to display the last few lines of a file in Linux?

Q. What is the purpose of the 'ps' command in Linux?

Q. Which command is used to display all environment variables in Linux?

Q. Which command is used to extract files from a gzip-compressed file?

Q. Which of the following commands is used to get information about the system's CPU?

Q. Which command is used to display the last logins of users on the system?

Q. Which command is used to remove files in Linux?

Q. Which command is used to display information about the system's disk space?

Q. Which command is used to search for a file in a directory hierarchy?

Q. Which command is used to terminate a process in Linux?

Q. Which operator is used to resolve ambiguity in multiple inheritance?

Q. What is the output of the following code?

int x = 10;
cout << ++x * x++;

Q. Which STL container stores key-value pairs and provides fast retrieval based on keys?

Q. Which of the following is true about destructors in C++?

Q. Which of the following is used to allocate memory dynamically in C++?

Q. Which of the following is true about function overloading in C++?

Q. Which of the following is the correct way to define a function with a trailing return type in C++?

Q. Which of the following is the correct way to allocate memory dynamically for an integer in C++?

Q. Which of the following C++ operators is used to dereference a pointer?

Q. Which of the following can be used to define a function in C++?

Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x ^= y);

Q. Which of the following is the correct way to define a function with a variable number of arguments in C++?

Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x > y);

Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x / y);

Q. What is the output of the following code snippet? int x = 10; int y = 20; cout << (x - y);

Q. Which of the following is the correct way to declare a pointer in C++?

Q. What is the purpose of the 'new' operator in C++?

Q. Which of the following Docker components is responsible for managing containers and images?

Q. What is the purpose of the 'docker-compose logs --follow' command?

Q. What is the purpose of the 'docker-compose exec --user' command?

Q. What is the purpose of the 'docker-compose unpause' command?

Q. Which command is used to view the Docker build cache?

Q. What is the default value for the 'restart' policy in Docker containers?

Q. Which of the following is a command to list all running containers in Docker?

Q. Which of the following commands is used to create a new Docker network?

Q. What is the purpose of the 'docker-compose kill' command?

Q. What is the default port for the Docker daemon?

Q. What is Docker Compose primarily used for?

Q. Which command is used to view detailed information about a Docker volume?

Q. Which command is used to load a Docker image from a tar archive?

Q. What does the 'docker ps -a' command show?

Q. Which of the following commands is used to remove a Docker volume?

Q. Which Docker command would you use to enter an interactive shell inside a running container?

Q. Which command is used to push a Docker image to Docker Hub?

Q. What is the main benefit of using Docker over virtual machines?

Q. Which command is used to remove a Docker image?

Q. Which of the following is a valid Docker network driver?

Q. Which command removes a Docker volume?

Q. What is the purpose of a Dockerfile?

Q. What is the purpose of the Docker 'volume' feature?

Q. Which command is used to check logs of a service in Docker Compose?

Q. What is the purpose of the HEALTHCHECK instruction in a Dockerfile?

Q. Which command is used to rename a Docker container?

Q. What is the purpose of the ENV instruction in a Dockerfile?

Q. What is the purpose of the CMD instruction in a Dockerfile?

Q. Which command is used to stop a running Docker container?

Q. What is the purpose of Docker Compose?

Q. Which command is used to create a new Docker container?

Q. Write the range of value of the data type ‘char’

Q. The instructions, which are used in programming, are called ‐‐‐‐‐‐‐‐

Q. Which of the following is a UML relationship.

Q. The >> operator is known as‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐.

Q. classes are ‐‐‐‐‐‐‐‐ datatype.

Q. In object oriented Programming the program is divided into ‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐‐.

Q. The operator ‘<< ‘is called

Q. When are the Global objects destroyed?

Q. Which of the following statement will be correct if the function has three arguments passed to it?

Q. Which of the following statement is correct?

Q. The arrays of variable that are of the type class

Q. The function that is a bridge between two classes

Q. The function used to disply one character at a time

Q. A friend function for binary operator overloading takes‐‐‐‐ ‐arguments.

Q. Which of the following never requires any arguments?

Q. Which of the following gets called when an object is being created?

Q. What keyboard combination can be used to exit the shell?

Q. How do you run a job that will continue running even if you are logged out?

Q. How would you avoid accidentally removing files?

Q. What command is used to assign only read permission to all three categories of the file'letter'?

Q. Who founded the FSF?

Q. What command is used with vi editor to move forward to the end of a word?

Q. Which command is used to find what is in your home directory?

Q. Which of the following has greater market share of Linux SW/HW

Q. To implement new application on IBM z/10. Which of the following options need to be considered if it to be implemented in Linux?

Q. Your PC is unable to boot off the Linux install CD. Which utility should be used to create an installation boot floppy?

Q. How would you show a list of files and directories that are inside the current directory.

Q. What command, followed by the directory name is used to access that specific directory?

Q. In which directory are the crontab files for users stored on suse linux?

Q. What is different between a Java applet and a Java application?

Q. Which component method is used to access a component's immediate container?

Q. What is garbage collection in the context of Java?

Q. What method is used to specify a container's layout?

Q. Which is the right way to declare constant in C?

Q. C Language developed at _____?

Q. What is the output of the following program : print '{0:.2}'.format(1.0 / 3)

Q. If a function is friend of a class, which one of the following is wrong?

Q. Which of the following is not correct (in C++)?
1. Class templates and function templates are instantiated in the same way
2. Class templates differ from function templates in the way they are initiated
3. Class template is initiated by defining an object using the template argument
4. Class templates are generally used for storage classes

Q. Output of following program?
#include<iostream>
using namespace std;
class Point {
Point() { cout << "Constructor called"; }
}; int main()
{
Point t1;
return 0;
}

Q. Which of the following is true about constructors?
1) They cannot be virtual.
2) They cannot be private.
3) They are automatically called by new operator.

Q. The code of statements which may cause abnormal termination of the program should be written under_________ block.

Q. What is the built in library function to compare two strings?

Q.                  virtualization abstracts networking hardware and software into a virtual network that can be managed.

Q. In threat modeling, what methodology used to perform risk analysis

Q. [π=n/Ttotal=n⁄[kTo+Te(n,m)] The above equa on calculates the value of which of the following?

Q. A mashup cloud can be designed by utilizing the Scalability of AWS and of GAE platforms

Q. What are the different types of instances?

Q. Cloud computing is an abstraction based on the notion of pooling physical resources and presenting them as a                  resource.

Q. Which of the following can be identified as cloud?

Q. Which of the following is true with respect to layered architecture?

Q. Every call to publish() will return a class that conforms to the                      interface.

Q. client() class provides                  to create topics.

Q. Which of the following type of virtualization is also characteristic of cloud computing

Q. Communication between services is done widely using protocol

Q.   is a function of the particular enterprise and application in an on- premises deployment.

Q.   captive requires that the cloud accommodate multiple compliance regimes.

Q. DCS is a

Q.   refers to an increase in the performance by the addition of more resources along the service layers

Q. A web service contract is described using :-

Q. Publishing an application’s data as a REST service requires.

Q. Which of the following is a system for creating block level storage devices that can be used for Amazon Machine Instances in EC2?

Q. Which of the following is a message queue or transaction system for distributed Internet- based applications?

Q.                is a pay-as-you-go model matches resources to need on an ongoing basis.

Q. The number of reduces for the job is set by the user via

Q. CloudFront supports ______ data by performing static data transfers and streaming content from one CloudFront location to another.

Q. Point out the wrong statement :

Q. _____________________where a VM can be moved from one physical machine to another even as it continues to execute.

Q. An operating system running on a Type __ VM is a full virtualization.

Q. _________ is used by Amazon Web Services to store copies of a virtual machine.

Q. Geographic distribution of data across a cloud provider'’ network is a problem for many enterprises because it:

Q. The typical three-layer switching topology will not create latency within a cloud network.

Q. Which of the following is a type of Page Orientation?

Q. Portrait and Landscape are present under which command in Page Layout group?

Q. What is the default paper size in MS Word?

Q. Documents have a ________ to separate their text from their borders.

Q. Word documents contain ________________, which appear at the top and bottom of the document, respectively.

Q. Which of the following is the command present in Deign tab to modify the table?

Q. __________ is a picture or a graphic that can be added to a document.

Q. Which of the following is a type of checkbox available in MS Word?

Q. Which of the following is an advantage to convert a word file into PDF file?

Q. Using which many methods can the horizontal line be inserted in MS Word?

Q. Which of the following type of Border can be added in MS Word?

Q. Which of the following is a type of page break present in MS Word?

Q. What is the default margin set in MS Word?

Q. A document's margins are adjusted using the ______ in Microsoft Word.

Q. Which of the following is a type of Indent in MS Word?

Q. Which of the following is an advantage of Pie Chart?

Q. As the measurement unit, _______is/are used in Ruler.

Q. Which option is correct to save the document in MS Word?

Q. ________option appears in the menu to Copy the text and _______option appears in the menu to Paste the text.

Q. Which of the following keyboard shortcut is used to select the text in the direction of the arrow key?

Q. What is the keyboard shortcut to Select All?

Q. Which of the following is the correct order to select the entire document?

Q. A _____________ within the paragraph will select the entire paragraph.

Q. In order to select a single word

Q. Which of the following comes under the methodology to delete the text?

Q. Which of the following doesn't come under Text Basics?

Q. With the help of Ruler, one can change the ___________ of the document.

Q. Ruler is present ________the Ribbon.

Q. Which of the following is a command in View tab?

Q. How many groups of commands is there in View tab?

Q. Which of the following is a layout tool?

Q. Using View tab, we can switch between –

Q. Which of the following command is not present in Review tab?

Q. What can be done using Mailings tab?

Q. Which of the following is the least-often used tab in Ribbon?

Q. Which of the following is a group of related command in References tab?

Q. How many commands are present in References tab?

Q. Which of the following tab is used to add the document citation?

Q. Which of the following can be changed using Page layout tab?

Q. Which of the following is NOT a command in Insert tab?

Q. Which of the following can be added using Insert tab?

Q. Which of the following is the 2nd tab in the Ribbon?

Q. Which of the following document settings can be changed from Home tab?

Q. Which of the following is NOT present as a command in Home tab?

Q. How many groups of related commands are there in Home tab?

Q. Which of the following tab is the default in MS Word?

Q. WAVE PCM is not supported by

Q. Flac is supported by ___________.

Q. Which of the following is not a Boolean attribute for <audio> element?

Q. What can not be done by controls attribute?

Q. Which browser supports mozCurrentSampleOffset?

Q. which extension flash file is to be saved?

Q. For exporting movie into SWF format which element is used?

Q. Which plugin is used to view Flash?

Q. Which one of the following does not support flash?

Q. Which one of the following is used for adding Flash in the web page?

Q. Which one of the following is not used inside the <script> tag in Flash videos?

Q. Which one of the following is not the online video format available?

Q. For playing Flash Video you need to convert video into the ___________ format

Q. Which one of the following site will provide FLV player?

Q. WebM format is not supported by

Q. Which of the following is the use of id() function in python?

Q. What is output of print(math.pow(3, 2))?

Q. What will be the output of the following Python code?

Q. Which of the following is a feature of Python DocString?

Q. What will be the output of the following Python expression?

Q. What will be the output of the following Python expression?

Q. What will be the output of the following Python code snippet?

Q. Which of the following is a Python tuple?

Q. What will be the output of the following Python program?

Q. What are the two main types of functions in Python?

Q. What will be the output of the following Python code?

Q. What will be the output of the following Python program?

Q. What is the maximum possible length of an identifier in Python?

Q. Which of the following Python statements will result in the output: 6?

Q. Which one of the following is the use of function in python?

Q. What will be the output of the following Python code?

Q. What will be the output of the following Python code?

Q. To add a new element to a list we use which Python command?

Q. Which of the following element is used for canvas graphics?

Q. Which of the following statement is not true?

Q. To draw on the canvas, authors must first obtain a reference to a context using the ______________ method of the canvas interface element.

Q. The ___________ method must add the scaling transformation described by the arguments to the transformation matrix.

Q. Which method must clear the pixels in the specified rectangle that also intersects the current clipping region to a fully transparent black, erasing any previous image?

Q. When the _____________ method is passed an animated image as its image argument, the user agent must use the poster frame of the animation, or, if there is no poster frame, the first frame of the animation

Q. The ____________ method must create a new clipping region by calculating the intersection of the current clipping region and the area described by the current path, using the non-zero winding number rule.

Q. The ____________ method must fill all the subpaths of the current path, using fillStyle, and using the non-zero winding number rule.

Q. Which of the following methods must empty the list of subpaths so that the context once again has zero subpaths?

Q. An API is an application programming interface consisting of methods and properties which allow the author to get or set data or execute commands to the user agent.

Q. Which of the following property sets the size of the font?

Q. Which of the following Property controls the display of small caps?

Q. Which of the following font-weight property make the text lighter in relation to its parent?

Q. Which of the following property converts text to initial capitals, all uppercase, or all lowercase?

Q. Which of the following font-variant property render text using the same letter case as in the underlying code?

Q. Which of the following property sets the alignment of the last line of a text block?

Q. Which of the following property controls how spaces and word wrapping are handled?

Q. Which of the following property specifies what line decorations, if any, are added to the text?

Q. Which of the following property applies one or more shadows to text?

Q. Which of the following property allows long text, such as a URL, to be broken if it would otherwise over?

Q. Select the output of the following CSS.

Q. Which one of the given options can be considered as the correct output of the following code?

Q. In the following code, what value should the variable "a" contain?

Q. Which one of the given options can be considered as a code equivalent to the following code?

Q. What output will come if we run the following part of the JavaScript code?

Q. What will happen if we execute the following code of JavaScript?

Q. What will be the correct output of the following JavaScript code?

Q. What will be the correct output of the following JavaScript code?

Q. Which of the following values will be returned by the last statement in the given code?

Q. Which one of the following codes is correct for concatenating the strings passed into the function?

Q. In JavaScript, do the functions always return a value?

Q. Which one of the following keywords is used for defining the function in the JavaScript?

Programming Portal MCQs [460]