300-610 DCID: Designing Cisco Data Center InfrastructureDemo

By Cisco · Question Mode

QuestionQ94

Compute Design

An engineer is encountering performance problems on a Cisco UCS blade server. The B-Series blade server has four CPUs, with most of them idle. The engineer observes that the CPU is receiving too many requests from the NIC. In addition, the queue count seems insufficient, and network traffic is being processed by only one CPU.

Which policy must be used to resolve these issues?

  • A LAN connectivity
  • B dynamic vNIC connection
  • C Ethernet adapter
  • D vNIC placement
Explanation

An Ethernet adapter policy configures the vNIC’s transmit and receive queue resources and can enable Receive Side Scaling (RSS). Increasing receive queues and using RSS distributes inbound network processing across multiple CPU cores instead of concentrating it on one CPU, reducing NIC-driven CPU contention.

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