350-801 Question #237: Real Exam Question with Answer & Explanation

Question

What does average rate limiting allow?

Options

• Atransmits traffic bursts up to the Bc size
• Bmore traffic than the CIR to be sent when there is available bandwidth
• Cbandwidth up to the Be size
• Dtraffic to burst to the Be size when there is available bandwidth

Explanation

{"question_number": 8, "question": "What does average rate limiting allow?", "correct_answer": "D", "explanation": "In traffic policing and QoS, average rate limiting enforces the Committed Information Rate (CIR) over time by using a token bucket algorithm. When traffic is below the CIR, tokens accumulate in the bucket. These accumulated tokens allow the traffic to burst beyond the CIR up to the Excess Burst size (Be) when bandwidth is available - this is what Option D describes. Option A refers to standard committed burst (Bc) behavior, which is part of normal rate limiting, not a distinguishing feature of average rate limiting. Option B describes best-effort or weighted fair queuing behavior. Option C partially describes burst behavior but is less precise. Average rate limiting's defining characteristic is that it allows excess burst (Be) based on accumulated unused bandwidth tokens, rather than strictly capping at the CIR at every moment.", "generated_by": "claude-sonnet", "llm_judge_score": 2}

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