Latest [Aug 19, 2026] Realistic Verified 300-640 Dumps [Q23-Q46]

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Latest [Aug 19, 2026] Realistic Verified 300-640 Dumps

Pass Cisco 300-640 Exam Updated 82 Questions

Cisco 300-640 Exam Syllabus Topics:

Section	Weight	Objectives
AI Infrastructure Deployment and Data Management	30%	– Integrate AI frameworks and applications with Cisco infrastructure – Configure compute and storage using Cisco UCS: profiles, policies, Intersight – Implement data management and lifecycle for AI workloads – Deploy and manage AI infrastructure with orchestration tools – Configure high-performance networks for AI: Cisco Nexus, NDFC, lossless fabrics
AI Infrastructure Operations and Troubleshooting	20%	– Troubleshoot network, compute, storage, and orchestration issues – Optimize performance, security, and reliability – Manage health, logs, and events – Implement performance benchmarking and validation – Monitor infrastructure: Nexus Dashboard, Intersight, telemetry, alerts
AI Infrastructure Components and Architecture	30%	– Evaluate compute requirements: CPU, GPU, NVLink, virtualization, containerization, scalability – Evaluate storage requirements: capacity, performance, data pipelines, distributed architectures – Evaluate power, cooling, and efficiency requirements – Evaluate network requirements for AI workloads: bandwidth, latency, congestion control, RoCEv2, QoS – Evaluate hybrid and multi-cloud AI integration
AI Infrastructure Fundamentals	20%	– Describe AI use cases in data center environments – Describe AI and machine learning concepts – Explain Cisco AI infrastructure solutions and portfolio – Describe types of AI infrastructure: on-premises, cloud, hybrid, edge – Describe core components of AI infrastructure: network, compute, storage, orchestration, monitoring

NEW QUESTION 23
Which set of statements describes Quantized Congestion Notification?

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.

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.

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.

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.

NEW QUESTION 24
A network architect designs a Cisco AI fabric with spine-leaf topology. What is the primary advantage of this architecture for AI training workloads?

Reduced need for IP addressing

Predictable low-latency east-west traffic

Elimination of routing protocols

Simplified wireless integration

NEW QUESTION 25
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?

configuring a firmware policy
adding an operating system configuration file to the software repository

adding an OS image to the software repository
adding an operating system configuration file to the software repository

adding an OS image to the software repository
adding a server configuration utility to the software repository

configuring a virtual KVM policy
adding a server configuration utility to the software repository

NEW QUESTION 26
Drag and Drop Question
An engineer must configure vNIC templates for a UCS X-Series deployment. Drag and drop the policy types from the left onto the corresponding configuration settings on the right. Not all options are used.

NEW QUESTION 27
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?

Digital Network Architecture Center

Intersight

HyperFabric

Nexus Dashboard

NEW QUESTION 28
An engineer deploys BGP EVPN in a Cisco VXLAN fabric. Which route type advertises MAC and IP binding information for endpoints?

Type 2

Type 5

Type 1

Type 4

NEW QUESTION 29
What is the process involved in workload scheduling for AI environments?

assignment of tasks to compute elements for optimized performance

optimization of licensing structures for compliance

aggregation of device statistics for reporting

generation of backup images for restoration operations

NEW QUESTION 30
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?

It indicates that the Nexus Dashboard has correlated this anomaly to activity by specific user account.

It indicates that the Nexus Dashboard has seen this anomaly across more than one device in the fabric.

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

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

NEW QUESTION 31
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?

spanning tree topology change notifications

BGP EVPN route count per leaf switch

VXLAN tunnel packet encapsulation rate

PFC pause frame transmission rate per interface

NEW QUESTION 32
To support growing AI workload requirements, a regional medical practice is adding new X9516 X-Fabric module, UCS PCI Mezz cards, and UCS X580p PCIe nodes to their existing X-Series chassis. Which two administrative actions must be taken before the X-Fabric module is added to the chassis? (Choose two.)

Power down all IFMs in the chassis.

Disconnect cabling between IFMs and fabric interconnects.

Power down all blades that would connect to the X-Fabric modules.

Install UCS PCI Mezzanine cards in X-Series blades.

Disconnect device connector.

NEW QUESTION 33
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?

Cisco UCS C845A M8 Server

Cisco UCS X-Series Direct

Cisco Unified Edge

Cisco UCS C240 Servers

NEW QUESTION 34
A customer uses Cisco AI Products within Intersight and observes packet drops for RoCEv2 traffic. Which System QoS policy configuration must be deployed to ensure that RoCEv2 traffic is classified as lossless?

Disable Platinum system class.

Enable all QoS system classes.

Disable Gold system class.

Enable Platinum class and uncheck Allow Packet Drops.

NEW QUESTION 35
Server administrators receive reports of power utilization being near capacity across multiple UCS X-Series servers in the data center after a hardware upgrade. The chassis operates with six power supply units in redundant power mode. How can the administrator use additional power without impacting redundancy?

Implement a power capping policy.

Enable extended power capacity.

Add more power supplies.

Disable extended power capacity.

NEW QUESTION 36
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?

leaf-spine

flat Layer 2

rail optimized

traditional three-tier

NEW QUESTION 37
A Cisco Nexus switch experiences head-of-line blocking in an RDMA environment. Which mechanism is most effective in reducing this condition?

Weighted Random Early Detection

Virtual output queuing

PortFast

NAT overload

NEW QUESTION 38
What describes inference traffic patterns in AI deployments?

optimizes data storage solutions for data lakes

simplifies complex neural network architectures

provides real-time decision making

eliminates the need for data preparation

NEW QUESTION 39
An engineer configures quality of service in the Cisco ACI fabric to connect VAST storage servers. Which combination of attributes must be selected?

Congestion Algorithm: Weighted Random Early Detection (WRED)
Congestion Notification: Enabled

Congestion Algorithm: Weighted Random Early Detection (WRED)
Congestion Notification: Disabled

Congestion Algorithm: Tail Drop
Congestion Notification: Disabled

Congestion Algorithm: Tail Drop
Congestion Notification: Enabled

NEW QUESTION 40
Which function is provided through natural language processing?

compression of large configuration files for storage efficiency

automated conversion of spoken or written content into structured data

annotation of data transmission protocols for device authorization

filtration of duplicate entries from transaction records

NEW QUESTION 41
A data center team enables jumbo frames in a Cisco AI cluster. What is the primary benefit of increasing the MTU for east-west GPU traffic?

Reduced Layer 3 convergence time

Increased encryption overhead

Lower CPU utilization and fewer frames

Elimination of packet buffering

NEW QUESTION 42
Which aspect of rapid provisioning supports a scalable workload execution in an AI infrastructure?

distinct management for isolated components

limited connectivity within isolated locations

delayed rollout of new network resources

efficient launch of computational platforms

NEW QUESTION 43
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?

IP-based shared storage

Fibre Channel shared storage

Infiniband shared storage

local storage

NEW QUESTION 44
Which components are part of the HyperFabric AI solution?

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

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

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

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

NEW QUESTION 45
A solutions architect must implement a monitoring strategy for a new AI/ML data center infrastructure built on Cisco UCS X-Series servers with NVIDIA H100 GPUs, managed by Cisco Intersight. The main objectives are to gain deep visibility into GPU performance, identify resource bottlenecks for AI training workloads, and ensure the overall health and efficiency of the compute environment. Which Cisco Intersight capability is most critical for effectively monitoring this AI- centric infrastructure?

Analyze feature automating the deployment and scaling of AI application containers and their underlying Kubernetes infrastructure, which reduces manual monitoring efforts

integration with Cisco Nexus Dashboard for advanced network flow analytics and anomaly detection across the data center fabric, which ensures high-speed data transfer between GPU nodes

basic server health reporting, which is limited to CPU and memory statistics, and requires specialized third-party tools for any GPU-specific performance monitoring or diagnostics

comprehensive health and performance monitoring, which provides real-time telemetry data for UCS servers, including granular metrics for NVIDIA GPUs, which enables direct insights into AI workload execution

NEW QUESTION 46
A large-scale retail store manages many compute resources spread across branch offices, which enables AI workloads to be processed on-premises. Each workload and site location requires specific OS installation and configuration. To simplify management, configuration, and deployment of the workloads, a Cisco Intersight feature must be used that enables workload deployment at scale. Which feature must be used to accomplish this functionality?

domain management

server management

fleet management

chassis management