Cisco Exam 300-610 Topic 6 Question 92 Discussion

Actual exam question for Cisco's 300-610 exam

Question #: 92
Topic #: 6

A Cisco engineer is analyzing a customer environment where dozens of VMs are running on a physical server and UCS chassis are cascaded The setup uses two ISLs in a port channel to the SAN switch (per fabric) The oversubscription from VM to physical SAN port is often 20 (VMs/host) x 72 (9 UCS chassis cascaded = 72 hosts): 2 (ISLs from fabric interconnect to SAN switch port on the NPV core (NPIV enabled switch) This results to 20 x 72 2 per single ISL = 720 VMs per ISL

20 (VMs per host) x 8 (hosts per chassis) x 9 (chassis per port channel to SAN switch) / 2 (ISLs per port channel) = 20 x 8 x 9 / 2 = 720 VMs per SAN F-port What is the best way to resolve possible IOPS bottleneck?

ADeploy a content delivery network

BEnable Windows 1Gb server full duplex

CConfigure 802 1Qbb priority flow control

DRemove data encryption on the SSD

Show Suggested Answer

Suggested Answer: C

by Corinne at Jul 06, 2024, 04:59 AM

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Eura

7 days ago

Enabling 1Gb server full duplex? B) Enable Windows 1Gb server full duplex? I think the question is looking for a solution that actually addresses the problem, not something that would make it worse.

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Ahmed

8 days ago

Wait, did you say 'content delivery network' as an option? A) Deploy a content delivery network? What does that have to do with a SAN switch bottleneck? Seriously?

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Onita

10 days ago

Removing data encryption on the SSD? Yeah, right, like that's going to solve an IOPS bottleneck. D) is definitely not the answer here.

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Beckie

11 days ago

I'm not sure about that. I think enabling Windows 1Gb server full duplex might also be a good solution to improve data transfer speeds.

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Krystal

12 days ago

I agree with Becky. Configuring 802.1Qbb priority flow control can help prioritize traffic and improve performance.

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Becky

14 days ago

I think the best way to resolve the IOPS bottleneck is to configure 802.1Qbb priority flow control.

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Maurine

17 days ago

I would go with option C as well. It seems like the most logical solution to address the bottleneck issue.

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Maybelle

17 days ago

Hmm, 720 VMs per ISL? That's a lot of traffic to handle. I think C) Configure 802.1Qbb priority flow control might be the way to go, but I'd need to look into that more.

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Cathrine

25 days ago

I agree with Adelaide. Configuring 802.1Qbb priority flow control can help prioritize traffic and improve performance.

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Adelaide

28 days ago

I think the best way to resolve the IOPS bottleneck is to configure 802.1Qbb priority flow control.

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