Operating System Mock Test 10

10%

Question 1 of 10

1. How can Keys be defined or replaced?

Key

create [keyname] [bits]

set-key

MAKE [Key Name]

Question 1 of 10

Question 2 of 10

2. What are the characteristics of data migration?

none of the mentioned

transfer data by entire file or immediate portion required

transfer the computation rather than the data

execute an entire process or parts of it at different sites

Question 2 of 10

Question 3 of 10

3. In distributed systems, election algorithms assumes that ____________

a unique priority number is associated with each active process in system

there is no priority number associated with any process

priority of the processes is not required

none of the mentioned

Question 3 of 10

Question 4 of 10

4. What is best solution to have effect of unbounded number if base/bound registers?

Fence method

Tagged architecture

None of the mentioned

Segmentation

Question 4 of 10

Question 5 of 10

5. In distributed systems, a logical clock is associated with ______________

none of the mentioned

each instruction

each process

each register

Question 5 of 10

Question 6 of 10

6. What are the parts of a global unique identifier?

All of the mentioned

Clock number

Remote timestamp

Local unique timestamp

Question 6 of 10

Question 7 of 10

7. How is are collisions avoided in network?

Carrier sense with multiple access (CSMA); collision detection (CD)

Carrier sense multiple access with collision avoidance

All of the mentioned

Message slots

Question 7 of 10

Question 8 of 10

8. How many layers does the Internet model ISO consist of?

Three

Seven

Five

Eight

Question 8 of 10

Question 9 of 10

9. What are sites in network topology compared?

Reliability

Communication cost

Basic cost

All of the mentioned

Question 9 of 10

Question 10 of 10

10. Processes on the remote systems are identified by ___________

process ID

host ID

host name and identifier

identifier

Question 10 of 10