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Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. Which IP-based storage transport supports flow control between directly connected devices?

A) NVMe/TCP
B) NVMe/RoCE
C) iSCSI
D) Fibre Channel

2. During validation testing, an engineer observes microbursts causing packet drops on GPU uplinks. Which monitoring capability best detects short-duration congestion events?

A) Streaming telemetry with high-frequency sampling
B) Daily syslog review
C) NetFlow with hourly exports
D) Manual CLI inspection once per week

3. A network team is configuring quality of service (QoS) for RoCEv2 traffic on a VXLAN fabric. The team must ensure that congestion notification packets (CNP) generated by storage targets are never dropped in the network, as these packets are critical for congestion control feedback. How must CNP packets be handled in the QoS configuration to ensure reliable delivery?

A) Enable Priority Flow Control specifically for CNP packets on a dedicated CoS value.
B) Apply traffic shaping to CNP packets to prevent them from causing additional congestion.
C) Classify CNP packets to a high-priority queue using their DSCP marking.
D) Configure CNP packets to use the same queue as regular RoCEv2 data traffic.

4. A network engineer is deploying an AI training fabric using Cisco Nexus switches with RoCEv2 enabled. During testing, packet drops occur when traffic bursts exceed buffer capacity. Which feature should be configured to minimize congestion and improve lossless Ethernet performance for GPU traffic?

A) DHCP Snooping
B) Priority Flow Control
C) Storm Control
D) BPDU Guard

5. When considering a rail-only network design, when would adding spine switches make sense?

A) when needing a greater path redundancy within a single scalable unit
B) when scaling out to support traffic between multiple scalable units
C) when providing greater overall total bandwidth within a single scalable unit
D) when increasing the overall available buffers that spines provide

Solutions: