Verizon papers 1 2 3

Verizon paper :1

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DBMS - 10 Q's

1)  fourth normal form

         multivalued dependencies

2) innerjoin

3) outerjoin

4) equijoin

5) one-many many-many relationship

6) datamodel

7) aggregation,specialisation,generalisation

UNIX-10 Q's

1) CHOWN command

2) signal command does_______

3) semaphore does______

4)user interacts with______(shell)

5)LILO is used for______

6) what is a worm?

7) what is context switching?

8) when parent gets killed before child it is

a_____(zombie)

C++ - 10 Q's

1) new is operator/keyword

2) an example of virtual function class is

given.Question is what do we call

such a class

   ans:- abstract class

3) binding in c++ is runtime binding ,execution time

binding

4) if an objest of class A wants to e friend of class

B,then we should use

friend keyword before

  a) class A ans

  b) class B

5) void area(int x,int y,int z)

 main()

  {

  area(5,6)

  }

  void area(int x,int y,int z)

   {

   return x+y+z

   }

ans:- 11,error,etc.....

OS- 10 Q's

interview questions :

C++

1)copy constructor

2)what happens when constructor is defined in private?

error

3)template:what is it?

4)why do we need destructor?

DS

1)sorting:heap,quick

2)height balance tree

3)sparse matrix

4)how do we represent graph?---adjacent matrix

OS

1)semaphore

2) deadlocks

3)philosoper dining problem

DBMS

1) triggers

2) join

3) sql commands

aptitude paper for 60 marks (all three sections included)

1) verbal

2) non verbal

3)Quatitative