1.What is stub in software testing ? A dummy sub program A test case,which fails regularly A defect log report A defect ,which is not closed 2. What does 100% code coverage mean while testing software ? Basic flow of software is tested All critical test cases are tested Each line of code is executed at least once while testing . No while and If loops are tested 3. What does GPF in Windows95 stands for ? Great Performance Format General Performance Error General Protection Fault Group Performance Frequency 4. Which of the following best fits for testing boundary values ? Age test box accepts age between 10-20 (both inclusive) Name text box can have any value Date text box should have data in dd/mm/yyyy format Employee Grade text box can have one of the following values L1,M1,E1 5. string somestring; Which of the following choices will convert a standard C++ string object “somestring” to a C string somestring.c_str() &somestring[1] Copy.somestring() Std::cstring(something) 6. Which of the following best suites load scenario ? 100 users chatting in a chat application Testing for compulsory fields in a employee details form Checking for date format in date of birth field 7. What is the function of the modulus operator in most languages ? Sets a system environmental value to either base 10 ,base 8 or base 16 Returns the remainder after dividing one number by another Returns the first argument raised to the second argument power Prints out the actual code written to standard output rather than executing the code 8. class professor{} class teacher: public virtual professor{}; class researcher: public virtual professor {} class myprofessor :public teacher,public researcher {}; Referring to the sample code above ,if an object of class “myprofessor” were created ,how many instances of professor will it contain? 0 1 2 3 9. What function will read a specified number of elements from a file ? fread() readfile() fileread() gets() 10. What is the largest value an integer can hold in a Standard C compiler ? 32767 65536 2147483647 INT_MAX 11. With every use of memory allocation function should be used to release allocated memory which is no longer needed ? dropmem() dealloc() release() free() 12. Modern RDBMS’s perfom the following the following functionc except ______________. Force column values in one table to match any of the values in a column of another table Automatically replicate data on another server Automatically create new indexes based on query history Prevent unauthorized users from accessing data at the firls level 13. Which is not the characteristics of a view ? Consumes Disk space for data Multiple tables Multiple rows Updateable 14. RDBMS triggers are typically bound to a _____________and one or more _____________ Table,SQL statement types SQL statement type,user Column,rows User, tables 15. What relationship is resolved by an “intersecting” or “associative” entity ? Recursive Mandatory one to one Many to Many One to One 16. Select a,b,c,d from vtable where b>2 and c<4 Assuming you will execute the above query often ,changing only the values in the where clause ,what could you do to improve efficiency ? Create a database stored procedure with parameters to execute this statement Create an index on columns a&b Create a temporary table that contains the data and use triggers to maintain it Create a trigger that executes this statement and execute the trigger 17. Make a copy of file “upper” in the directory two levels up . jump –2 upper cp upper ../.. cp upper –2/ None of the above 18. Change the current directory to /usr/local/bin mv /usr/local/bin cd /usr/local/bin setdir /usr/local/bin my/usr/local/bin 19. How do you change the access permission (add group read/write) to all the files in the current directory containing the word “ cali ” in their names ? chmod g+rw * cali * setperm r+w * cali * chmod 0660 * cali * Both A and C