COMPAQ

->Why paging is used ?


->Which is the best page replacement algo and Why ?


->WHat is software life cycle ?


->How much time is spent usually in each phases and why ?


->What is testing ?


->Which are the different types of testing ?


->Which are the different phases in Software life cycle (asked again)


->Why is analysis and testing phases very important ?


->Why networks are layered ? What is the advantage of that ?


->How many layers are there in OSI ? Why is it called OSI model ?


->network topologies ?


->Which are the different network toplogies ?


->an example of bus type network.


->What is the Bandwidth of ethernet ?


->Explain the advantage and disadvantage of ethernet ?


->Which is the protocol used in ethernet. (CSMA/CD) Why is it called so ?


->What is the advantage of Ring network ?


->Compare it with ethernet.


->What is inheritance, encapsulation etc.


->If there are too many page faults what is the problem?


->To ensure one pgm. doesnt corrupt other pgm. in a Multi-pgm. enviornment


what you should do?


->Which one you will use to implement critical section? Binary Semaphore


-> Which one is not needed for Multi-pgm. enviornment?


options are: virtual memory,security,time sharing,none of the above. 


->Which one is not done by Data link layer ? bit stuffing, LRC,CRC,parity check 




-> Which one is not related to Data link layer?


-> Which one is not suitable for client-server application? tcp/ip,message passing,rpc,none of the above.


->Term stickily bit is related to a)kernel b)undeletable file c)  d)none


->semaphore variable is different from ordinary variable by ?


->unix system is 


a)multi processing


b)multi processing ,multiuser


c)multi processing ,multiuser,multitasking


d)multiuser,multitasking


->x.25 protocol encapsulates the follwing layers


a)network


b)datalink


c)physical


d)all of the above


e)none of the above


->TCP/IP can work on


a)ethernet


b)tokenring


c)a&b


d)none


->a node has the ip address 138.50.10.7 and 138.50.10.9.But it is


transmitting data from node1 to node2only. The reason may be


a)a node cannot have more than one address


b)class A should have second octet different


c)classB " " " " "


d)a,b,c


->the OSI layer from bottom to top


->for an application which exceeds 64k the memory model should be


a)medium


b)huge


c)large


d)none


->the condition required for dead lock in unix sustem is


->set-user-id is related to (in unix)


->bourne shell has 


a)history record


b)


c)


d)
->wrong statement about c++


a)code removably


b)encapsulation of data and code


c)program easy maintenance


d)program runs faster
->which is true
a)bridge connects dissimiler LANand protocol insensitive


b)router " " " " "


c)gateway " " " " "


d)none of the above


->const char *


char * const


What is the differnce between the above tow?.


->In Unix inter process communication take place using?.


->About i-node numbers


->Max relaxable permisssion value with out giving write permission to others?.


->About ln(linking) 


->Linking across directories?.


->process id for kernell process


->very first process created by kernell


->function to repaint a window immediately?.


->Function entry for DLL in win3.1


->win 3.1 is a 


->win 3.1 supports which type of multi tasking?.


->Message displayed when a window is destroyed


->About fork()?


->About send message and post message


->Message to limit the size of window


->System call executable binary file intoa process


->About GDI object?.


->API used to hide window


->Initialize contents of a dialog?.