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Cisco Exam 300-610 Topic 5 Question 79 Discussion

Actual exam question for Cisco's 300-610 exam
Question #: 79
Topic #: 5
[All 300-610 Questions]

Refer to the exhibit. A Cisco engineer is configuring a customer scenario with 2 x MDS 9000 switches 24 x UCS B200M6 blade servers. UCS 64S4 Fabric Interconnect in end-host mode and 3 x UCS 5108 server chassis with 2408 Fabric Extenders The engineer installs 6 x SQL Server 2019 on all blades and then notices that there are read and write latencies What is the best way to balance the utilization across the shared ports?

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Suggested Answer: D

When restrictions on oversubscription ratios are disabled, the bandwidth allocation among the shared ports is proportionate to the configured speed. (If the configured speed is auto, then bandwidth is allocated assuming a speed of 4 Gbps.) For example, if you have three shared ports configured at 1, 2, and 4 Gbps, then the allocated bandwidth ratio is 1:2:4. In Cisco SAN-OS Release 3.0 and later (or when restrictions on oversubscription ratios are enabled), port bandwidths are allocated in equal proportions, regardless of port speed, so, the bandwidth allocation for the same three ports mentioned in the example would be 1:1:1.

by Johnna at Dec 26, 2023, 08:17 PM

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Quinn
8 months ago
Ha! 'Only dedicate rate mode'? What kind of made-up option is that? I'm gonna have to go with C on this one. The performance buffers seem like the most logical choice.
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Pamella
8 months ago
I'm not so sure about that. Personally, I'm leaning towards option C - setting 4 Gbps performance buffers. That could help manage the read and write latencies without completely changing the port speeds.
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Arleen
8 months ago
It's a tough decision. All the options have their own benefits. We'll have to weigh the pros and cons carefully before making a choice.
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Susy
8 months ago
I see your point. Disabling restrictions on oversubscription ratios could also be a potential solution. It's something to consider.
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Marion
8 months ago
True, but changing the assigned speed to 8 Gbps Auto might be worth trying too. It could make a difference in balancing the utilization.
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Lorenza
8 months ago
Maybe we should consider enabling 'Only dedicate rate mode' as well. That could also help balance the utilization.
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Micah
8 months ago
I think so too. Changing the performance buffers could definitely improve the read and write latencies.
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Gearldine
8 months ago
Option C sounds like a good idea. It might help balance the utilization across the shared ports.
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Glen
8 months ago
Let's see here... Okay, I think option B might be the way to go. Changing the assigned speed to 8 Gbps Auto should help balance the utilization across those shared ports.
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Dudley
8 months ago
Whew, this question looks like a doozy! I'm already feeling the pressure just reading it.
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