Distributed opererating system mcqs coordination

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Distributed opererating system mcqs coordination

Question 1 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the characteristics of tightly coupled system? i) Same clock, usually shared memory ii) Communication is via this shared memory iii) Multiprocessors iv) Different clock
A
i
B
i, ii and ii
C
ii and iii
D
i, iii and iv
Question 2 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Which are the two complementary deadlock-prevention schemes using timestamps?
A
The wait-die & wound-wait scheme
B
The wait-n-watch scheme
C
The wound-wait scheme
D
The wait-wound & wound-wait scheme
Question 3 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the characteristics of fully distributed approach? i) When responses are received from all processes, then process can enter its Critical Section ii) When process exits its critical section, the process sends reply messages to all its deferred requests. iii) It requires request,reply and release per critical section entry iv) One processor as coordinator which handles all requests
A
i
B
i and ii
C
ii and iii
D
iii and iv
Question 4 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the characteristics of atomicity?
A
All operations associated are executed to completion or none are performed
B
One processor as coordinator which handles all requests
C
When responses are received from all processes, then the process can enter its Critical Section
D
Use communication links
Question 5 [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What are the disadvantages of majority protocol?
A
Complicated implementation
B
Deadlock cannot occur easily
C
Bottleneck
D
All of the mentioned
There are 5 questions to complete.

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