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Nokia 4A0-255 Exam - Topic 6 Question 81 Discussion

Suppose that for a given number of buffer credits and for an given average FC frame size, the maximum FC link length is 50 km.If the average FC frame size is doubled, which of the following is correct?
D) The buffer credits need to be adjusted to achieve the maximum throughput.
A) The throughput is halved.
B) Throughput is doubled.
C) The Throughput is the same,.

Nokia 4A0-255 Exam - Topic 6 Question 81 Discussion

Actual exam question for Nokia's 4A0-255 exam
Question #: 81
Topic #: 6
[All 4A0-255 Questions]

Suppose that for a given number of buffer credits and for an given average FC frame size, the maximum FC link length is 50 km.

If the average FC frame size is doubled, which of the following is correct?

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Suggested Answer: D

by Melodie at Jun 19, 2026, 05:55 PM

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Tequila
13 days ago
C seems right to me. Throughput stays the same regardless of frame size.
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Marshall
18 days ago
I disagree, I lean towards D. We need to adjust buffer credits for max throughput.
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Edmond
23 days ago
I think A is correct. Doubling the frame size should halve the throughput.
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Harrison
28 days ago
How does that even work? Sounds confusing!
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Corinne
1 month ago
D) The buffer credits definitely need to be adjusted.
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Derick
1 month ago
Wait, doubling the frame size means more data, right?
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Blair
1 month ago
I disagree, it should be C) The Throughput is the same.
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Layla
2 months ago
A) The throughput is halved.
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Peggie
2 months ago
I feel like the throughput should remain the same since it's just the frame size changing, but I need to think more about how buffer credits play into that.
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Oliva
2 months ago
If I recall correctly, doubling the frame size could mean we need to adjust buffer credits to maintain throughput, so I might lean towards option D.
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Kelvin
2 months ago
I remember a similar question where we discussed how frame size impacts throughput, but I can't recall the exact relationship.
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Jess
2 months ago
I think if the frame size doubles, the throughput might be affected, but I'm not sure if it halves or stays the same.
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