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Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. A data center is deploying an AI infrastructure for LLM training and model inference. This infrastructure requires high GPU density, low-latency interconnects, and the ability to scale compute resources. When considering the Cisco UCS C885A M8 Rack Server for the deployment, which design aspect is the most critical for achieving optimal performance and scalability in this environment?

A) using the maximum number of CPU cores to support the virtualization overhead
B) implementing a redundant power supply configuration to ensure high availability
C) configuring the server with the minimum amount of RAM to reduce initial costs
D) selecting the appropriate Nexus Fabric and its configuration to minimize latency

2. A financial company plans to deploy an AI training and inference infrastructure to support its customers. The team must use a solution that provides 96 GPUs, aligns with NVIDIA-compliant reference architectures, and enables cloud-based management of the entire on-premises network environment. Which Cisco solution meets the requirements?

A) Cisco Nexus Dashboard deployed in AWS or Azure with Nexus 9000 switches and AI servers on premises
B) Cisco HyperFabric AI Medium AI Cluster with Cisco 6000 switches and AI servers on premises
C) Cisco HyperFabric AI Small AI Cluster with Cisco 6000 switches and AI servers on premises
D) Cisco Intersight AI fabric with Nexus 9000 switches and AI servers on premises

3. An engineer deploys an AI fabric on Cisco Nexus 9000 Series Switches connected to Cisco UCS nodes with NVIDIA GPUs. The requirements call for optimal network performance for training workloads. Adaptive routing is enabled on the NICs, and per-packet load balancing is enabled on the switches. Which other configuration must be implemented for this integration to be fully operational?

A) Set the cisco_dlb=1 option in the NIC configuration so the NIC knows it can use adaptive routing.
B) Add the "adaptive-routing" keyword under the switch load balancing configuration.
C) Include switch configuration "hardware profile spectrum-x" in global configuration mode.
D) Include matching statements in your QoS policy so the switch knows which incoming packets to load balance.

4. Which set of statements describes Quantized Congestion Notification?

A) Priority Flow Control reacts first to mitigate congestion, and Explicit Congestion Notification acts as a fail-safe to prevent traffic drops if Priority Flow Control is insufficient.
A congestion notification packet sent toward the source by hosts and the network switch in response to receiving Explicit Congestion Notification with congestion experienced bits set.
B) Explicit Congestion Notification reacts first to mitigate congestion, and Priority Flow Control acts as a fail-safe to prevent traffic drops if Explicit Congestion Notification is insufficient.
A congestion notification packet sent toward the source by a host in response to receiving Explicit Congestion Notification with congestion experienced bits set.
C) Priority Flow Control reacts first to mitigate congestion, and Explicit Congestion Notification acts as a fail-safe to prevent traffic drops if Priority Flow Control is insufficient.
A congestion notification packet sent toward the source by a network switch in response to receiving Explicit Congestion Notification with congestion experienced bits set.
D) Explicit Congestion Notification reacts first to mitigate congestion, and Priority Flow Control acts as a fail-safe to prevent traffic drops if Explicit Congestion Notification is insufficient.
A congestion notification packet sent toward the source by hosts and the network switch in response to receiving Explicit Congestion Notification with congestion experienced bits set.

5. A network engineer logs into Nexus Dashboard and sees an anomaly showing that a BGP peer connection has gone down. Next to the anomaly, a yellow bubble displays "Correlated." What does Nexus Dashboard indicate by "Correlated" in this case?

A) It indicates that the Nexus Dashboard has correlated this anomaly to activity by specific user account.
B) It indicates that the Nexus Dashboard has correlated the scope of the impact.
C) It indicates that the Nexus Dashboard has seen this anomaly across more than one device in the fabric.
D) It indicates that this anomaly is a result of a higher-level root anomaly.

Solutions: