Practice Fedora Multiple Choice Questions with Answers Quiz-1

Q.1.

Is the core of the operating system?

shell
kernel
commands
script

Q.2.

Is the default maximum number of processes that can exist in Linux?

32768
1024
4096
unlimited

Q.3.

Returns?

size of the page
max size of the page
min size of the page
paging allowed or not

Q.4.

Memory can be used for?

read only operations
append
read or read write operations
write only

Q.5.

Process is a?

group leader
session leader
orphan process
all the above

Q.6.

Terminal used by a Daemon process is:

any terminal
no terminal
b) root terminal
system console

Q.7.

Timer is decremented only when the process is executing

itimer_real
itimer_virtual
itimer_prof
none of the above

Q.8.

Of the following exec call is a system call?

execl
execlp
execve
execvp

Q.9.

Call can be implemented using which assembly instruction(s) on xprocessors?

int 0??80
sysenter
both a & b
none

Q.10.

2 of manpage describes

commands
system calls
function calls
drivers

Q.11.

The run level to run Linux in multi user mode with networking?

0
3
5
6

Q.12.

System command is used for?

getting the present and previous runlevel of the system
setting the runlevel attribute of the system in the inittab file
can be used to restart or reboot the system
all of the above

Q.13.

These files which has an ELF format

shared objects
core
executables
all of the above

Q.14.

One of the thread in multithreaded process is blocked on an I/O, which of the following is true?

the entire process with block if their is no kernel supported threads
other threads of the process will continue to execute even if there is no kernel supported threads
it depends on specific implementatation
all of the above

Q.15.

Kernel is?

monolithic
micro
exo
nano

Q.16.

Kernel

is highly extensiblity
has less run time overhead
smaller than micro level
suitable for real time system

Q.17.

Page table per process entity?

yes
no

Q.18.

Maintains?

memory files
open files
pipe
active memory regions

Q.19.

System has 512MB of physical memory. Which among the following is not a suitable virtual memory size for this system architecture?

512mb
256m
4gb
none of the above

Q.20.

X86-Linux, at which address the user stack resides normally?

0x00000000
0x3fff0000
0x7fff0000
0xbfff0000

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