Which statement describes how RSVP guarantees bandwidth reservations?()
- A、It polices each individual session to an explicit rate.
- B、It does not police, but never allows link oversubscription.
- C、It polices the aggregate rate of all sessions to an explicit rate.
- D、It does not police, but limits the amount of reservable bandwidth.
正确答案:D
答案解析:有

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