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HP Exam HPE7-A01 Topic 10 Question 33 Discussion

Actual exam question for HP's HPE7-A01 exam
Question #: 33
Topic #: 10
[All HPE7-A01 Questions]

For the Aruba CX 6400 switch, what does virtual output queueing (VOQ) implement that is different from most typical campus switches?

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Suggested Answer: A

The Aruba CX 6400 switch is a modular switch that supports high-performance and high-density Ethernet switching for campus and data center networks. One of the features that distinguishes the Aruba CX 6400 switch from most typical campus switches is virtual output queueing (VOQ).VOQ is a technique that implements large ingress packet buffers on each port to prevent head-of-line blocking and packet loss due to congestion2.VOQ allows each port to have multiple queues for different output ports and prioritize packets based on their destination and QoS class2.VOQ enables the Aruba CX 6400 switch to achieve high throughput and low latency for various traffic types and scenarios. Reference:2https://www.arubanetworks.com/assets/ds/DS_CX6400Series.pdf


by Marylin at Nov 13, 2024, 05:17 AM

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Taryn
1 days ago
I'm not sure, but I think it might be C) per port ASICs.
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Veda
6 days ago
I agree with Emerson, VOQ in Aruba CX 6400 switch uses large ingress packet buffers.
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Margart
15 days ago
Hold up, is this a trick question? Virtual output queueing sounds like something from the future, not a typical campus switch!
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Penney
16 days ago
Hmm, I'm going with D. VSX is a feature that allows two switches to act as one, so it could be related to virtual output queueing.
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Maybelle
2 days ago
I think A) large ingress packet buffers is the correct answer.
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Florinda
20 days ago
I think it's got to be C. Per port ASICs help scale the switch and handle more concurrent traffic flows.
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Emerson
24 days ago
I think the answer is A) large ingress packet buffers.
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Geraldine
25 days ago
Option B sounds right. Large egress buffers help handle congestion and avoid packet drops.
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Latanya
6 days ago
A) large ingress packet buffers
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