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Implementing Cisco Data Center AI Infrastructure (DCAI) Question and Answers

Implementing Cisco Data Center AI Infrastructure (DCAI)

Last Update Oct 4, 2026
Total Questions : 60

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Questions 1

Which aspect of rapid provisioning supports a scalable workload execution in an AI infrastructure?

Options:

A.  

distinct management for isolated components

B.  

limited connectivity within isolated locations

C.  

delayed rollout of new network resources

D.  

efficient launch of computational platforms

Discussion 0
Questions 2

Refer to the exhibit.

When a new AI backend network that supports Cisco UCS-based GPU servers with NVIDIA Connect-X network adapters is benchmarked, the traffic distribution observed has unacceptable variability across the interfaces.

Drag and drop the code snippets from the bottom onto the boxes in the code to configure the switch to resolve the issue.

Options:

Discussion 0
Questions 3

An engineer configures quality of service in the Cisco ACI fabric to connect VAST storage servers.

Which combination of attributes must be selected?

Options:

A.  

Congestion Algorithm: Weighted Random Early Detection (WRED)

Congestion Notification: Enabled

B.  

Congestion Algorithm: Weighted Random Early Detection (WRED)

Congestion Notification: Disabled

C.  

Congestion Algorithm: Tail Drop

Congestion Notification: Disabled

D.  

Congestion Algorithm: Tail Drop

Congestion Notification: Enabled

Discussion 0
Questions 4

A global enterprise is deploying a new AI-driven analytics platform that requires high-performance GPU acceleration, large memory capacity, and robust virtualization support. The current compute environment must co-exist with the newly purposed GPU-enabled workload. This environment will continue to grow, so the customer wants to scale out the resources as needed.

Which Cisco product meets the requirements?

Options:

A.  

UCS X-series

B.  

UCS M-series

C.  

Unified Edge

D.  

UCS C-series Standalone

Discussion 0
Questions 5

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

Options:

A.  

when providing greater overall total bandwidth within a single scalable unit

B.  

when needing a greater path redundancy within a single scalable unit

C.  

when scaling out to support traffic between multiple scalable units

D.  

when increasing the overall available buffers that spines provide

Discussion 0
Questions 6

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.

Options:

Discussion 0
Questions 7

What is the process involved in workload scheduling for AI environments?

Options:

A.  

assignment of tasks to compute elements for optimized performance

B.  

optimization of licensing structures for compliance

C.  

aggregation of device statistics for reporting

D.  

generation of backup images for restoration operations

Discussion 0
Questions 8

A Cisco UCS C885A M8 server contains a GPU sled configured with six power supply units (PSUs) in an N+2 redundancy configuration. The workload on the GPU sled is currently drawing a load of 4500W.

Using Power Save Mode, how many PSUs can be placed into standby mode to improve power efficiency without compromising redundancy?

Options:

A.  

0

B.  

1

C.  

2

D.  

3

Discussion 0
Questions 9

Which result is provided through image recognition using AI?

Options:

A.  

anonymization of audit trails for compliance objectives

B.  

detection and labeling of visual elements from digital sources

C.  

scheduling of management tasks during maintenance periods

D.  

routing of multicast messages across network boundaries

Discussion 0
Questions 10

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?

Options:

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 seen this anomaly across more than one device in the fabric.

C.  

It indicates that this anomaly is a result of a higher-level root anomaly.

D.  

It indicates that the Nexus Dashboard has correlated the scope of the impact.

Discussion 0
Questions 11

An end customer plans to deploy an AI fabric in a new data center. Their engineers are more familiar with CLI-based networks and require the capability to automate standardized configuration templates and monitor flows for the fabric.

Which data center automation tool meets the requirements?

Options:

A.  

Digital Network Architecture Center

B.  

Intersight

C.  

HyperFabric

D.  

Nexus Dashboard

Discussion 0
Questions 12

A data center administrator for a medium-sized manufacturing facility uses Intersight to perform unattended operating system installation on already discovered X-Series servers with server profiles assigned.

Which set of prerequisites must be met for installing an operating system on a server in Cisco Mode?

Options:

A.  

configuring a firmware policy

adding an operating system configuration file to the software repository

B.  

adding an OS image to the software repository

adding an operating system configuration file to the software repository

C.  

adding an OS image to the software repository

adding a server configuration utility to the software repository

D.  

configuring a virtual KVM policy

adding a server configuration utility to the software repository

Discussion 0
Questions 13

A network operations team deploys HyperFabric AI and wants to monitor fabric health to proactively identify performance issues. The team must track metrics specifically relevant to AI training workloads.

Which metric is most critical for identifying congestion issues that could impact AI training performance in a HyperFabric AI deployment?

Options:

A.  

spanning tree topology change notifications

B.  

BGP EVPN route count per leaf switch

C.  

VXLAN tunnel packet encapsulation rate

D.  

PFC pause frame transmission rate per interface

Discussion 0
Questions 14

A national law firm is deploying a RAG solution for their legal research team to more efficiently use their 50 TB of confidential data and documents when preparing new contracts and briefs. They decided on a UCS X-Series chassis equipped with four GPUs and six X210c servers.

Which storage solution fits this deployment?

Options:

A.  

IP-based storage array

B.  

local storage in a JBOD configuration

C.  

tape storage

D.  

local storage in a RAID 5 configuration

Discussion 0
Questions 15

An organization deploys a new AI training fabric that uses RoCEv2 for GPU communication. The network architect designs the QoS configuration to ensure reliable RDMA transport and must meet these requirements:

Support 256 GPU servers with RDMA connectivity.

Prevent any packet loss that causes RDMA connection failures.

Maintain consistent low-latency communication with a target of less than 10 microseconds.

Use industry-standard protocols and configurations.

Which configuration ensures that RoCEv2 operates as a lossless transport?

Options:

A.  

Implement traffic shaping to smooth RDMA traffic bursts and prevent congestion.

B.  

Enable Priority Flow Control on the traffic class carrying RoCEv2 packets.

C.  

Set the RDMA traffic to use the highest DSCP value to ensure priority forwarding.

D.  

Configure weighted fair queuing to prioritize RDMA traffic over other traffic classes.

Discussion 0
Questions 16

A network engineer analyzes RoCEv2 traffic flows in an AI training cluster and notices that all RoCEv2 packets have the Don’t Fragment bit set in the IP header.

Why must RoCEv2 set the DF bit in all packets?

Options:

A.  

to enable Path MTU Discovery so that the optimal packet size can be negotiated

B.  

to indicate to intermediate switches that the packet contains RDMA traffic requiring special handling

C.  

to ensure that packets always take the same path through ECMP routing for consistent latency

D.  

to prevent IP fragmentation that would break the InfiniBand sequence numbering and ordering guarantees

Discussion 0
Questions 17

Which components are part of the HyperFabric AI solution?

Options:

A.  

Cisco UCS servers combined with high-speed networking switches and third-party storage

B.  

integrated compute and networking hardware optimized for AI workloads, with optional cloud management

C.  

Cisco UCS servers with NVIDIA GPUs, switches, optional VAST Data Storage and cloud-managed networking

D.  

combination of Cisco networking hardware and software-defined storage designed for AI scalability

Discussion 0
Questions 18

A bank is planning to deploy an AI inference solution at its branch locations. The solution must support workloads that require a balance of compute, memory, and potential GPU acceleration, and it must be suitable for installation by nontechnical onsite resources. The requirements are:

high availability of the chassis management plane.

support for up to 768 GB of memory for in-memory model storage and processing

remote server launch requiring no on-site IT staff

use of Cisco Intersight for SaaS-based infrastructure lifecycle management

Which solution meets the requirements?

Options:

A.  

Cisco UCS C845A M8 Server

B.  

Cisco UCS X-Series Direct

C.  

Cisco Unified Edge

D.  

Cisco UCS C240 Servers

Discussion 0