In distributed mutual exclusion, which of the following statements correctly differentiates token-based and non-token-based algorithms?

Question

Answer

Non-token-based algorithms use fewer messages than token-based ones.

Answer

Token-based algorithms guarantee fairness, non-token-based do not.

Answer

In token-based algorithms, the critical section is granted using a circulating token; in non-token-based, it is based on permission from other nodes.

Answer

Token-based algorithms require acknowledgment messages; non-token-based do not.

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