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Exams300-610Questions#214
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300-610 · Question #214

300-610 Question #214: Real Exam Question with Answer & Explanation

The correct answer is D. Disable restrictions on oversubscription ratios. 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 po

Storage Network Design

Question

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?

Exhibit

300-610 question #214 exhibit

Options

  • AEnable "Only dedicate rate mode
  • BChange the assigned speed to 8 Gbps Auto.
  • CSet 4 Gbps performance buffers
  • DDisable restrictions on oversubscription ratios

Explanation

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. es/fm_3_2/gen2.html#wp1392649

Topics

#UCS Storage Performance#Oversubscription#Port utilization#MDS Switches

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