Unix/Lunux/Linux Mcqs Questions Set 14 Sample Test,Sample questions

Question:
A communication end-point is identified by

1.ip address

2.port number

3.both IP address and port number

4.none of the mentioned


Question:
A server which is handling many clients at a time is called as

1.single server

2.multiserver

3.concurrent server

4.iterative server


Question:
A server which is handling one client at a time is called as

1.single server

2.multiserver

3.concurrent server

4.iterative server


Question:
Collection of files is called as a

1.Directory

2.Root

3.Field

4.Home


Question:
Command used to check shared memory is

1.ipcs

2.ipcs -m

3.ipcs -s

4.ipcs -q


Question:
Daemon process is a?

1.group leader

2.ession leader

3.orphan process

4.all of the mentioned


Question:
For what based of PC’s, Linux was specifically designed?

1.Intel

2.HCL

3.Wipro

4.IBM


Question:
From where did the file system can be used to unambiguously identified and referenced?

1.Tree structure

2.Folders

3.Home directory

4.Root directory


Question:
he terminal used by a Daemon process is:

1.any terminal

2.no terminal

3.root terminal

4.system console


Question:
How much of memory space is occupied by Linux?

1.4 MB

2.6 MB

3.8 MB

4.12 MB


Question:
In Linux hard disk partition, hda2, a stands for the __

1.first hard drive

2.first partition

3.second partition

4.second hard drive


Question:
Linux default shell is

1.BAH shell

2.SH shell

3.ASH shell

4.BASH shell


Question:
Message queues are created in

1.userspace

2.kernelspace

3.userspace & kernelspace

4.none of the mentioned


Question:
Monolithic kernel

1.is highly extensiblity

2.has less run time overhead

3. smaller than micro level

4.suitable for real time system


Question:
One process requires M resource to complete a job. What should be the minimum number of resources available for N processes so that at least one process can continue to execute without blocking/waiting?

1.M * N

2.M * N – 1

3.M * N + 1

4.M


Question:
Pick the run level to run Linux in multi user mode with networking?

1.0

2.3

3.5

4.6


Question:
Race condition can be avoided by using

1.semaphore

2.mutex

3.socket

4.both semaphore & mutex


Question:
Runlevel system command is used for?

1.getting the present and previous runlevel of the system

2.setting the runlevel attribute of the system in the inittab file

3.can be used to restart or reboot the system

4.all of the mentioned


Question:
Section 2 of manpage describes

1.Commands

2.System calls

3.Function calls

4.Drivers


Question:
Semaphore P( ) operation usually does the following:

1.descrements the semaphore count and the process sleeps if needed

2.increments the semaphore count

3.wakes up a sleeping process

4.none of the mentioned


Question:
Single dot (.) with cd refers to ___

1.Change directory

2.Created directory

3.Current directory

4.Parent directory


Question:
Sysconf(_SC_PAGE_SIZE) returns?

1.size of the page

2.max size of the page

3.min size of the page

4.paging allowed or not


Question:
System call can be implemented using which assembly instruction(s) on x86 processors?

1.int 0×80

2.sysenter

3.both int 0×80 & sysenter

4.None


Question:
The complete path name of a file or directory is

1.Root name

2.Tree name

3.Relative path name

4.Absolute path name


Question:
The file name can be up to ___ character.

1.253

2.254

3.255

4.256


Question:
The prompt of the root user is

1.@

2.#

3.%

4.$


Question:
The structure which keeps the information about shared memory in the kernel is

1.struct ipc_perm

2.struct semid_ds

3.struct shmid_ds

4.struct msgid_ds


Question:
UNIX/Linux kernel is?

1.Monolithic

2.Micro

3.Exo

4.Nano


Question:
What is the other name of new shell?

1.Baby shell

2.Junior shell

3.Child shell

4.Assistant shell


Question:
What is the persistancy level of Shared memory segments?

1.signal

2.process

3.file system

4.kernel


Question:
What should be the minimum length of a password?

1.5

2.6

3.7

4.8


Question:
What type of editing is possible by Ed editor?

1.One command

2.One file

3.One line

4.One page


Question:
What was the first version of Linux?

1.1.0

2.0.11

3.1.01

4.0.1


Question:
When we want replace a file system we have to ____ the present file system.

1.Cancel

2.Remove

3.Unmount

4.Mount


Question:
Where do the users arrive after entering exit in Linux system?

1.Login screen

2.Internet

3.Logout screen

4.Login prompt


Question:
Which call to use to set the resource count of semaphore?

1.semget( )

2.semctl( )

3.sem_setcount( )

4.sem_set_count( )


Question:
Which command is called as the end-of-file command?

1.Ctrl+ V

2.Ctrl+ B

3.Ctrl+ D

4.Ctrl+ C


Question:
Which feature is used to prevent overwriting an existing file the redirection operation?

1.Mkfs

2.Man

3.Cat

4.Noclobber


Question:
Which has excellent support for older hardware?

1.Unix

2.Linux

3.Minix

4.Xenix


Question:
Which is Fastest IPC?

1.Message Queue

2.shared memory

3.Socket

4.All of the mentioned


Question:
Which is not the correct option for removing a message queue

1.ipcrm -Q

2.ipcrm -q

3.ipcrm -m

4.none of the mentioned


Question:
Which of the following exec call is a system call?

1.execl

2.execlp

3.execve

4.execvp


Question:
Which of the following is called as the piping symbol?

1._

2.|

3. ~

4. !


Question:
Which of the following is called as the redirection operator for output?

1.=

2.<<

3.<

4.>


Question:
Which system call is used to create Sys V message Queue.

1.msgget

2.shemget

3.semget

4.msgctl


Question:
Who are placeholders to store values?

1.Constants

2.Variables

3.OS

4.Shell


Question:
Who can change the password of any user?

1.Everyone

2.SA

3.Supervisor

4.End-user


Question:
x86 architecture uses big endian or little endian addressing mechanism?

1. little-endian

2.endian

3.big-endian

4.none of the mentioned


Question:
___ command clears the screen.

1.Clear

2.Cls

3.Clear all

4.Clean screen


Question:
__________ timer is decremented only when the process is executing

1.ITIMER_REAL

2.ITIMER_VIRTUAL

3.ITIMER_PROF

4.None of the mentioned


More MCQS

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