Cisco Exam 300-610 Topic 1 Question 77 Discussion

Actual exam question for Cisco's 300-610 exam

Question #: 77
Topic #: 1

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?

AEnable 'Only dedicate rate mode

BChange the assigned speed to 8 Gbps Auto.

CSet 4 Gbps performance buffers

DDisable restrictions on oversubscription ratios

Show Suggested Answer

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 Solange at Nov 21, 2023, 04:02 AM

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Myra

11 days ago

Haha, you guys are really overthinking this. Why not just go with option D and disable those pesky oversubscription ratio restrictions? That's the easy way out, am I right?

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Jesusita

12 days ago

But what about option C, setting 4Gbps performance buffers? That could also help manage the latency, right? Seems like a more direct approach than just changing the speed.

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Coleen

13 days ago

Yeah, the key here is trying to balance the utilization across the shared ports. I'm thinking option B, changing the assigned speed to 8Gbps Auto, might be the best bet. That could help even out the traffic load.

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Elouise

14 days ago

Hmm, this question seems pretty tricky. We're dealing with a complex Cisco networking setup with MDS switches, UCS, and SQL Server. Latency issues are always a headache in these kinds of environments.

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