Operating System MCQs

1019 MCQs  (Page 5 of 102)

Which one of the following is a real time operating system?
A. Rtlinux
B. Vxworks
C. Windows ce
D. All of the mentioned
The priority of a process will ______________ if the scheduler assigns it a static priority.
A. Change
B. Remain unchanged
C. Depends on the operating system
D. None of the mentioned
What are the characteristics of Host based IDS?
A. The host operating system logs in the audit information
B. Logs includes logins,file opens and program executions
C. Logs are analysed to detect tails of intrusion
D. All of the mentioned
What are the characteristics of stack based IDS?
A. It is programmed to interpret a certain series of packets
B. It models the normal usage of the network as a nosie characterization
C. They are integrated closely with the TCP/IP stack and watch packets
D. The host operating system logs in the audit information
If the sum of the working – set sizes increases, exceeding the total number of available frames ____________
A. Then the process crashes
B. The memory overflows
C. The system crashes
D. The operating system selects a process to suspend
The information about all files is kept in ____________
A. Swap space
B. Operating system
C. Seperate directory structure
D. None of the mentioned
What will happen in the single level directory?
A. All directories must have unique names
B. All files must have unique names
C. All files must have unique owners
D. All of the mentioned