Cisco
350-040 · Question #201
350-040 Question #201: Real Exam Question with Answer & Explanation
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Question
The Class 2 class of service always uses end-to-end acknowledgments (ACK, BSY or RJT) for every data frame. What else is true of Class 2?
Options
- AIt is an "unreliable" datagram service that does not guarantee fixed latency or in-order delivery.
- BIt is a "reliable" datagram service that guarantees fixed latency and in-order delivery.
- CIt is a "reliable" datagram service that does not guarantee fixed latency but guarantees in-order
- DIt is a "reliable" datagram service that does not guarantee fixed latency or in-order delivery.
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