1. On x86-32 Linux, at which address the code segment of the program starts?
a) 0x00000000
b) 0x08048000
c) 0x80000000
d) 0xbfff0000
View Answer
Explanation: None.
2. On x86-32 Linux, at which address the user stack resides normally?
a) 0x00000000
b) 0x3fff0000
c) 0x7fff0000
d) 0xbfff0000
View Answer
Explanation: None.
3. A system has 512MB of physical memory. Which among the following is not a suitable virtual memory size for this system architecture?
a) 512MB
b) 256M
c) 4GB
d) None of the mentioned
View Answer
Explanation: None.
4. LRU stands for
a) Last received Unit
b) Least recently Used
c) Least recently usable
d) Lost Recoverd unit
View Answer
Explanation: None.
5. Mm_struct maintains?
a) memory files
b) open files
c) pipe
d) active memory regions
View Answer
Explanation: None.
6. Which sytem call can be used by a user process to lock a memory so that it cannot be swapped out?
a) memory files()
b) memlock()
c) pipe()
d) active memory regions
View Answer
Explanation: None.
7. Is page table per process entity?
a) Yes
b) No
View Answer
Explanation: None.
8. Among these files which has an ELF format
a) shared objects
b) core
c) executables
d) all of the mentioned
View Answer
Explanation: None.
9. What is the use of strace command?
a) strace can be used to check the system calls called by the program. So, this can be used for debugging and benchmarking purposes
b) strace cannot be used to check the system calls called by the program
c) all of the mentioned
d) none of the mentioned
View Answer
Explanation: None.
10. If one of the thread in multithreaded process is blocked on an I/O, which of the following is true?
a) The entire process with block if their is no kernel supported threads
b) Other threads of the process will continue to execute even if there is no kernel supported threads
c) It depends on specific implementatation
d) All of the mentioned
View Answer
Explanation: None.
11. Which one can be a real time schedule policy?
a) SCHED_FIFO
b) SCHED_SPF
c) SCHED_OTHER
d) SCHED_FILO
View Answer
Explanation: None.
12. In Linux kernel-2.6 Real time priority ranges from
a) 0 to 99
b) 0 to 139
c) -20 to 19
d) 100 to 139
View Answer
Explanation: None.
13. Solaris real time class priority is
a) 0-59
b) 60-99
c) 100-159
d) 160-169
View Answer
Explanation: None.
14. Solaris System class priority is
a) 0-59
b) 60-99
c) 100-159
d) 160-169
View Answer
Explanation: None.
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