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MCQ

In the token passing approach of distributed systems, processes are organized in a ring structure ____________

logically

physically

both logically and physically

none of the mentioned

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In case of failure, a new transaction coordinator can be elected by ____________

bully algorithm

ring algorithm

both bully and ring algorithm

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A process can enter into its critical section ____________

anytime

when it receives a reply message from its parent process

when it receives a reply message from all other processes in the system

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What are the advantages of token(with rings) passing approach? i) One processor as coordinator which handles all requests ii) No starvation if the ring is unidirectional iii) There are many messages passed per section entered if few users want to get in section iv) One processor as coordinator which handles all requests v) Only one message/entry if everyone wants to get in

ii and iii

i, ii and iii

i, ii and iv

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