MCQ

1.       MCQ'S.                                                                                                                                                                                                                                                                                                                           1. It is syntactically valid to define a function in to another function-true,false. - (ans true)
2. mv command will change i-node no., any directiory entry, directory entry and i-node, none of these (ans- directory entry)
3. Default permission bits of a file when it is created it is created for the first time is controlled by- chmod,unmask,fmask,none (ans- none)
4. Which of the following is not a system call- getc, chmod, open, lseek (ans-getc)
5. In c language a class introduces a- a new scope, a new data type , a new data type but not a new scope, a new data type and new scope (ans d)
6.Effective document used for verification- reviewlog, systemlog, buckreport, checklist (ans review log)
7. V model of testing component design corresponds to-unit, alpha, integration, user acceptance (ans unit)
8. More effective on larger defects – blacbox, whitebox, glassbox, none (ans-blackbox)
10. Wwhich of the following doesn’t throw exception if allocation fails-buf=new(nothrow)char[LARGEBUF];
buf=new(throw)char[LARGEBUF];
buf=new nothrow char[LARGEBUF];
buf=new char[LARGEBUF];
11. Test is to –select non condition,identify developlers, identifying resourrces,all( ans-all)
12. Incorrect comparision of variable is indicated by-integeration, system, UAT, none (ans- none)
13. To effectively measure coverage you should use-test cases,test coverage,test tools,test data 
14. 2-D arrays are sorted in-row major,column major,both, random (ans-both)
15. Using select statement you can do only –selection, selection &projection, selection and join, selection projection join.
16. 106. Sql does not support which data type-char,Boolean,varchar ,date (ans boolean)
17. Which one is not valid-‪#‎if,‪#‎else,‪#‎endif,‪#‎elseif

Q: general form of ‪#‎define directive is ??
          #define macro name
          #define char seq macroname
         #define macroseq charseq
         #define macroname charseq

Ans: 4

Q:  which of the following doesn’t throw exception if allocation fails- 

         buf=new(nothrow)char[LARGEBUF];
         buf=new(throw)char[LARGEBUF];
         buf=new nothrow char[LARGEBUF];
         buf=new char[LARGEBUF];

Ans: 1

Q:   code walkthrough is done to review .....
        system requirement/requirement code/system and code/code only

Ans:  system and code

Q:   for critical path testing first approach should be
       time critical / not much complex logic /stand alone

Ans:  time critical

Q:   which testing is used for voating scenario ...
        conditin coverage/boundaryvalue/state coverage/equivalence class partitioning

Ans: D

Top of Form

Q:    incorrect comparision of output variables is detected by
          integratn/system /UAT/none

ANS: NONE

Q:   for path coverage when performing____________tests it is highly recommanded you to test all     

        paths
        unit/system/acceptance/integration

Ans: integration

Q:  thread safe by default options
        1. hashset
         2. list
         3. vector
         4. all of the above

Ans: vector

**which command is used to add the values for the newly inserted column

1.insert

2.update

3.merge

4.all

           ans: insert

**syntax fa superclass constructor?

         super();

         super(parameter list);

         both a n b

         supers();

    ans: c

***which cmd is used to display name of a pgm path in prompt window,in java?

rs,vs,cs,ls

ans: ls

**what does cat command do:

      creates a file

      display contents of file

       concatenate 2 files

         all

    ans: a or d

**Default value of unmask

    022

    666

    700

    242

ans: 022

**Which symbol is used to specify a group of characters in SQL server database?

#    %    @    ^

ans:%

**True about string class in java??

       String class is immutable

        Final

        Abstract

        ASAP

       ans: 1&2

***if no arguments are passed to a cmd then argc will hve

1.1

2.0

3.2

4.total size of argv

ans:1

***Which command is used to view the columns of a table using SQL code?

dp_columns

sp_columns

tp_columns

None of these

ans:2

***data dictionary will be accessed from

1.database

2.backup files

3.external files

4.all the above

ans:1

***wich of follwin is nt file stream opened automatically in unix prgm?

1.standard i/p

2..standard terminal

3..standard error

4..standard output

ans:2

***TRUNCATE is discussed under

1.ddl

2.dml

3.dcl

4.tcl

ans:1

***choose best

1.An interfac in wch all methods difinitions are defined

2.An interface consistin of no method

3 there is no such marker interfac in java

4 An interfac consistin of method prototypes only and not method definitns

ans:4

***command to reveal details of user

 w, finger,who,detail

ans: who

***Command used to break the output in two streams :

tar       tr     tail     tee

ans:tee

***what happens if exception is thrown by the finalize method?

the object would not be garbage collected

the object would still be garbage collected

it is unpredictable

the finalise method has nothing to do with garbage collection

ans:d

***the mv command will change?

i-node number

only the directory entry

directory entry and i-node number

none of the above

ans:1 or 2

***how to specify the start and end of each html table cell in a row

1.<tr> </tr>

<th> </th>

<tc> </tc>

<td> </td>

ans:4

**max size of varchar2 data type_______

ans:4000

**In which class/interface are wait and notify methods defined

class

object

runnable

none

ans:2

**how many parameters can be passed to main()

1

2

3

many

ans:2

**which of the following is not a file stream opened automatically in unix system?

standard input

standard terminal

standard error

standard output

ans:2

**which testing is done by programmers and not by testers in validation phase?

a.system testing

b.usability testing

c.acceptance testing

d.unit testing

ans:d

**in unix aray value assigned is surrounded by

{}

[]

()

$

ans:()

**Best suits marker interface

       1;All methods defined

        2;No methods in it

       3:No marker interface in java

         4:Contains prototype no methods def

ans:3

**Testing concern with behavior of shole producct defined by whole project

Intdgratin

Alpha

Beta

System

ans:system

***Which field types contain a fixed set of constants.

         Class

        Enum

        Enum

         Dnum

ans:enum

**testing the desing is done in

       unit testing

      integration testing

      system testing

      acceptance testion

ans:4

**deep cloning of an object can be acheived by------------

ans: serialization

***which of the following true abt string class in java

a. string class is mutable

b. string clss is final

c. string class is abstract

options

a and b

a and c

b and c

b and c

ans:1

***Printf (3+ 3+"arun kumar", "prateek");

Watvl be output??

6arun kumarprateek

Arun kumarprateek

Umarprateek

Umar

ans:4

**whch command is use for recursiv listing of files

$is -r

$is -R

$is -a

$is -F

ans:2