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Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. A Cisco Nexus switch experiences head-of-line blocking in an RDMA environment. Which mechanism is most effective in reducing this condition?

A) NAT overload
B) PortFast
C) Virtual output queuing
D) Weighted Random Early Detection

2. Drag and Drop Question
A network engineer is designing congestion management for an AI cluster using RoCEv2 transport. Based on Cisco best practices, the engineer must understand how ECN and PFC work together to provide lossless Ethernet transport. Drag and drop the congestion management mechanisms from the left onto the corresponding descriptions on the right. Not all options are used.

3. Which network design approach should be used to build a high-performance, nonblocking AI/ML data center fabric that supports 64 fully equipped UCS C885A nodes and provides the lowest possible latency and lossless Ethernet?

A) leaf-spine
B) flat Layer 2
C) traditional three-tier
D) rail optimized

4. Refer to the exhibit. Users report delayed response times and network latency when running certain AI workloads on a specific Cisco UCS Intersight Managed Mode Domain. Based on the fault message and reported symptoms, which troubleshooting action must be taken first to address the network latency issues?

A) Review the AI workload configuration to optimize resource allocation (CPU, memory, GPU) for the affected applications.
B) Check the physical cabling and SFP+ transceivers on port 11 of switch B for potential hardware failures or incorrect configurations.
C) Review the pause frame counters for signs of congestion on Fabric Interconnect B Port 11.
D) Examine the UCS fabric interconnect configuration for port-channel 11 on Fabric Interconnect B.

5. A nationwide grocery chain has deployed Unified Edge to all its locations. Each store has 10 or more surveillance cameras that write approximately 1 Gb per hour. The surveillance retention policy requires maintaining 2 weeks of recording per camera. Which type of cost-effective centralized storage solution must be evaluated with Unified Edge devices to adhere to this policy?

A) local storage
B) Fibre Channel shared storage
C) IP-based shared storage
D) Infiniband shared storage

Solutions: