[2026] Use Valid Exam 300-640 by ExamsLabs Books For Free Website [Q25-Q40]

October 2, 2026 300-640, Cisco 0 Comments

[2026] Use Valid Exam 300-640 by ExamsLabs Books For Free Website [Q25-Q40]

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[2026] Use Valid Exam 300-640 by ExamsLabs Books For Free Website

Free CCNP Data Center 300-640 Official Cert Guide PDF Download

NEW QUESTION 25
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 26
An engineer notices excessive broadcast traffic inside a legacy AI server VLAN. Which technology should be implemented to reduce flooding and improve scalability?

VXLAN EVPN

RIP

PAT

GRE tunneling

NEW QUESTION 27
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.

NEW QUESTION 28
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 29
A data center operator configures telemetry streaming on Cisco Nexus switches. What is the primary operational advantage over traditional SNMP polling?

Increased packet fragmentation

Real-time visibility with lower overhead

Elimination of routing tables

Mandatory hardware replacement

NEW QUESTION 30
A company deploys a Cisco UCS environment to host AI inferencing workloads that demand low latency, high throughput, and efficient resource utilization. Which set of actions must be taken to deploy a high-performance fabric within the Cisco UCS infrastructure?

Deploy a Cisco MDS 9000 Series Switch for Fibre Channel connectivity to storage.
Use a Cisco Fabric Interconnect for management traffic only.

Connect UCS servers to a Cisco Nexus 3000 Series Switch using 100 Gb Ethernet.
Configure a separate management network using a dedicated Cisco Catalyst switch.

Use a single Cisco Fabric Interconnect in a standalone configuration.
Connect all UCS servers directly to it using 10 Gb Ethernet.

Implement a dual-fabric design with two Cisco Fabric Interconnects, and use 100 Gb Ethernet for server-to-fabric connectivity.
Configuring port channels for uplink connections.

NEW QUESTION 31
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 32
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 33
A network architect designs connectivity for a new Cisco AI POD operating in Intersight Managed Mode. To ensure high availability and aggregate bandwidth for external network traffic, a port channel must be established using multiple 100 GbE uplink ports on the fabric interconnects to connect to the upstream core switch infrastructure. Which specific policy, applied through the domain profile, must be modified to define and configure this port channel on the fabric interconnects for the desired uplink connectivity?

LAN connectivity policy

port policy

network connectivity policy

Ethernet network group

NEW QUESTION 34
What is a primary behavior that occurs during the model training stage of the AI lifecycle?

embedding the model into systems with APIs

establishing success criteria

adjusting internal weights and biases

detecting model drift

NEW QUESTION 35
Which IP-based storage transport supports flow control between directly connected devices?

NVMe/TCP

iSCSI

NVMe/RoCE

Fibre Channel

NEW QUESTION 36
What is a function of NVLink technology within a high-performance AI server or cluster?

to enable remote access and virtualization of GPU resources for distributed AI development teams

to manage power distribution and thermal regulation across all installed GPU units

to establish a secure, encrypted channel for data transfer between the AI server and external storage

to provide a high-speed, low-latency direct interconnect for GPU-to-GPU communication

NEW QUESTION 37
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 38
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 39
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 40
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.