Compaq Paper Technical - Oher COMPAQ SAMPLE PAPER

Compaq Paper Technical - Oher

COMPAQ SAMPLE PAPER

->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?
options are tcp/ip, message passing, rpc, none of theabove.
->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?.
-C SKILL SET--
->How do you write a program which produces its own source code as its output?
->How can I find the day of the week given the date?
->Why doesn,t C have nested functions?
->What is the most efficient way to count the number of bits which are set in a value?
->How can I convert integers to binary or hexadecimal?
->How can I call a function, given its name as a string?
->How do I access command-line arguments?
->How can I return multiple values from a function?
->How can I invoke another program from within a C program?
->How can I access memory located at a certain address?
->How can I allocate arrays or structures bigger than 64K?
->How can I find out how much memory is available?
->How can I read a directory in a C program?
->How can I increase the allowable number of simultaneously open files?
->What,s wrong with the call "fopen("c:\newdir\file.dat", "r")"?

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