Operating systems concept MCQ Test 5

By | October 3, 2017
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UGC-NET/GATE Multiple Choice Questions for Operating System.

Question 1
The surface area of a tape is ........ the surface area of a disk.
A
much lesser than
B
much larger than
C
equal to
D
none of the above
Question 2
The ......... determines the cause of the interrupt, performs the necessary processing and executes a return from the interrupt instruction to return the CPU to the execution state prior to the interrupt.
A
interrupt request line
B
device driver
C
interrupt handler
D
all of the above
Question 3
What are characteristics of Host based IDS ?
  1. The host operating system logs in the audit information
  2. Logs includes logins,file opens and program executions
  3. Logs are analysed to detect tails of intrusion
  4. Logs are archived daily
A
I and III
B
II and III
C
II, III and IV
D
I,II and III
Question 4
....... and ........ are the most common strategies used to select a free hole from the set of available holes.
  1. First fit
  2. Worst fit
  3. Best fit
  4. None of these
A
I and II
B
II and III
C
II, III and IV
D
I and III
Question 5
What are characteristics of anomaly based IDS ?
  1. It models the normal usage of network as a noise characterization
  2. It doesnt detect novel attacks
  3. Anything distinct from the noise is assumed to be intrusion activity
  4. It detects based on signature.
A
I and II
B
II and III
C
II, III and IV
D
I and III
Question 6
The factors that define QoS are :
  1. Throughput
  2. Jitter
  3. Delay
  4. Media
  5. Reliability
  6. Burst times
  7. All of these
b, c and e
A
I and III
B
II ,III and V
C
II, III and IV
D
I,II,III and V
Question 7
If a kernel thread performs a blocking system call, .....................
A
the kernel can schedule another thread in the application for execution.
B
the kernel cannot schedule another thread in the same application for execution.
C
the kernel must schedule another thread of a different application for execution.
D
the kernel must schedule another thread of the same application on a different processor.
Question 8
How many common file type are there?
A
nine
B
six
C
five
D
two
Question 9
The usefulness of signals as a general inter process communication mechanism is limited because :
A
they do not work between processes
B
they are user generated
C
they cannot carry information directly
D
none of the above
Please report wrong answer in comment box
There are 9 questions to complete.

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