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An egress port scheduler applied to an Ethernet port has a configured bandwidth of 100 Mbps. All frames transmitted on the port are 80 bytes. What is the aggregate transmit bandwidth of all queues using the port scheduler?
Suggested Answer: C
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29 comments · newest first
CH
Chana
7 months ago
I’m confused! Why not just stick with the 100 Mbps?
KI
Kindra
7 months ago
D looks interesting, but I think it overestimates the bandwidth.
JA
Jame
7 months ago
I agree with B. The calculation seems right for the frame size.
RE
Rene
7 months ago
I’m leaning towards C. The port scheduler should just use the full 100 Mbps.
MA
Maryann
7 months ago
Why would the aggregate be less than the configured bandwidth?
BE
Beth
8 months ago
Wait, how does that add up to 120 Mbps? Sounds off.
VI
Vivan
8 months ago
I think B is the right answer, 80 Mbps makes sense.
AF
Afton
8 months ago
The configured bandwidth is 100 Mbps.
TR
Tracey
8 months ago
A) 100Mbps * 20/(80 + 20) = 20 Mbps. Hmm, I'm not sure about the math here.
LE
Lenita
9 months ago
D) 100+ 100 * 20/(80 + 20) = 120 Mbps. Wait, is that even possible? Seems a bit too high.
DA
Danica
9 months ago
C) 100Mbps. Simple and straightforward, I like it.
HA
Harrison
9 months ago
I recall that the total bandwidth should be the configured bandwidth, so maybe option C is the answer?
MA
Margret
9 months ago
I’m a bit confused about how the egress port scheduler affects the total bandwidth. I think I need to review that part again.
HE
Helaine
9 months ago
This question feels similar to one we practiced where we had to adjust bandwidth based on frame sizes. I think option B might be right.
SH
Shenika
9 months ago
I remember something about calculating bandwidth based on frame size, but I'm not entirely sure how to apply it here.
TO
Tora
10 months ago
Got it, I think the answer is B) 80 Mbps. The formula takes the configured bandwidth and adjusts it based on the frame size to get the actual transmit bandwidth.
KE
Kenny
10 months ago
Alright, I'm going to try to solve this by plugging the values into the formula. The configured bandwidth is 100 Mbps, and the frame size is 80 bytes, so I need to calculate 100 Mbps * 80/(80 + 20) to get the aggregate transmit bandwidth.
RI
Rima
10 months ago
I think the key is to use the formula for calculating the effective bandwidth based on the frame size and the configured bandwidth. Let me work through that step-by-step.
LY
Lyndia
10 months ago
I feel like option B makes sense. 80 bytes is a big part of the total.
TI
Tish
10 months ago
This question is tricky! I think it’s about understanding bandwidth distribution.
JU
Juliana
11 months ago
B) 100Mbps * 80/(80 + 20) = 80 Mbps. Looks good to me!
JE
Jesusita
11 months ago
Definitely going with option A, 20 Mbps seems accurate.
JA
Janessa
11 months ago
Okay, the question says the frames are 80 bytes, and the port has a configured bandwidth of 100 Mbps. I'm not sure how to use that information to calculate the aggregate transmit bandwidth though.
TA
Tamekia
11 months ago
Hmm, this looks like it's asking about the bandwidth of an Ethernet port scheduler. I think I need to consider the frame size and the configured bandwidth to figure this out.
PA
Pa
6 months ago
I agree, option B makes the most sense with those numbers.
TR
Tricia
6 months ago
I’m leaning towards option B. It seems right.
AD
Adelina
6 months ago
So, are we looking at the effective bandwidth?
WI
Wilda
6 months ago
Yeah, 80 bytes is pretty small for Ethernet.
AM
Amos
6 months ago
I think the frame size really matters here.