Review each question and reveal answers to strengthen your understanding
1Which system call is used to create Sys V message Queue.
✅ Correct Answer: 1
2Which is not the correct option for removing a message queue
✅ Correct Answer: 3
3Message queues are created in
✅ Correct Answer: 2
4Command used to check shared memory is
✅ Correct Answer: 2
5Which is Fastest IPC?
✅ Correct Answer: 2
6What is the persistancy level of Shared memory segments?
✅ Correct Answer: 4
7The structure which keeps the information about shared memory in the kernel is
✅ Correct Answer: 3
8One 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?
✅ Correct Answer: 4
9Semaphore P( ) operation usually does the following:
✅ Correct Answer: 1
10Which call to use to set the resource count of semaphore?
✅ Correct Answer: 4
11Race condition can be avoided by using
✅ Correct Answer: 4
12A server which is handling one client at a time is called as
✅ Correct Answer: 4
13A server which is handling many clients at a time is called as
✅ Correct Answer: 3
14A communication end-point is identified by
✅ Correct Answer: 3
15UNIX/Linux kernel is?
✅ Correct Answer: 1
16Monolithic kernel
✅ Correct Answer: 2
17Runlevel system command is used for?
✅ Correct Answer: 4
18Pick the run level to run Linux in multi user mode with networking?
✅ Correct Answer: 2
19Section 2 of manpage describes
✅ Correct Answer: 2
20System call can be implemented using which assembly instruction(s) on x86 processors?
✅ Correct Answer: 3
21Which of the following exec call is a system call?
✅ Correct Answer: 3
22x86 architecture uses big endian or little endian addressing mechanism?
✅ Correct Answer: 1
23__________ timer is decremented only when the process is executing
✅ Correct Answer: 2
24Daemon process is a?
✅ Correct Answer: 4
25he terminal used by a Daemon process is:
✅ Correct Answer: 2
26Sysconf(_SC_PAGE_SIZE) returns?
✅ Correct Answer: 1
27Which has excellent support for older hardware?
✅ Correct Answer: 2
28What is the other name of new shell?
✅ Correct Answer: 3
29In Linux hard disk partition, hda2, a stands for the __
✅ Correct Answer: 1
30Where do the users arrive after entering exit in Linux system?
✅ Correct Answer: 4
31Single dot (.) with cd refers to ___
✅ Correct Answer: 3
32Which command is called as the end-of-file command?
✅ Correct Answer: 3
33Which of the following is called as the piping symbol?
✅ Correct Answer: 2
34What was the first version of Linux?
✅ Correct Answer: 2
35What should be the minimum length of a password?
✅ Correct Answer: 2
36Who can change the password of any user?
✅ Correct Answer: 2
37Collection of files is called as a
✅ Correct Answer: 1
38How much of memory space is occupied by Linux?
✅ Correct Answer: 1
39The file name can be up to ___ character.
✅ Correct Answer: 4
40The prompt of the root user is
✅ Correct Answer: 2
41Linux default shell is
✅ Correct Answer: 1
42Who are placeholders to store values?
✅ Correct Answer: 2
43What type of editing is possible by Ed editor?
✅ Correct Answer: 3
44___ command clears the screen.
✅ Correct Answer: 1
45Which of the following is called as the redirection operator for output?
✅ Correct Answer: 4
46The complete path name of a file or directory is
✅ Correct Answer: 4
47For what based of PC’s, Linux was specifically designed?
✅ Correct Answer: 1
48From where did the file system can be used to unambiguously identified and referenced?
✅ Correct Answer: 1
49Which feature is used to prevent overwriting an existing file the redirection operation?
✅ Correct Answer: 4
50When we want replace a file system we have to ____ the present file system.