Seit Neuem aktualisierte 300-640 Examfragen für Cisco 300-640 Prüfung

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Cisco 300-640 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: AI Infrastructure Operations	20%	- Capacity Planning - Monitoring and Management Tools - Performance Optimization - Troubleshooting Common Issues
Topic 2: AI Infrastructure Deployment	25%	- Storage Configuration for AI - Cabling and Connectivity - GPU Server Configuration - Hardware Installation and Configuration - Network Switch Configuration
Topic 3: AI Infrastructure Security and Compliance	10%	- Compliance Considerations - Access Control and Authentication - Security Best Practices
Topic 4: Cisco AI Infrastructure Architecture	30%	- Hyperconverged Infrastructure for AI - Cisco UCS AI Infrastructure Solutions - Storage Architecture Considerations - Network Architecture for AI Workloads
Topic 5: AI Infrastructure Fundamentals	15%	- GPU Architecture and Types - AI Workload Characteristics - AI Infrastructure Requirements - AI Ecosystem Components

>> 300-640 Fragen Und Antworten <<

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Cisco Implementing Cisco Data Center AI Infrastructure 300-640 Prüfungsfragen mit Lösungen (Q52-Q57):

52. Frage
What is a purpose of Cisco AI PODs?

A. to provide a turnkey, full-stack infrastructure for AI training, fine-tuning, and inferencing
B. to offer a flexible AI infrastructure focused on inferencing workloads with optional training capabilities
C. to enable AI lifecycle management through cloud-native software with hardware support limited to compute servers
D. to deliver modular AI hardware components that can be integrated with third-party software platforms

Antwort: A

Begründung:
Cisco AI PODs are designed as integrated, validated full-stack infrastructure solutions that combine compute, networking, storage, and management capabilities to support AI training, fine- tuning, and inferencing workloads with faster deployment and operational consistency.

53. Frage
A network engineer must secure management access to Cisco Nexus AI switches. Which protocol should replace Telnet to provide encrypted administrative sessions?

A. SSH
B. SNMPv1
C. TFTP
D. FTP

Antwort: A

Begründung:
SSH provides encrypted remote management sessions and protects credentials and configuration traffic from interception. Telnet transmits data in plaintext and is unsuitable for secure AI data center environments. FTP and TFTP are file transfer protocols, while SNMPv1 lacks modern security protections.

54. Frage
Which set of statements describes Quantized Congestion Notification?

A. 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.
B. 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.
C. 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.
D. 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.

Antwort: A

Begründung:
Quantized Congestion Notification relies on Explicit Congestion Notification as the primary congestion signal so the sender can reduce its transmission rate before packet loss occurs.
Priority Flow Control acts as a safety mechanism if congestion becomes severe, and the congestion notification packet is generated by the receiving host when it receives packets marked with congestion-experienced bits.

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

Antwort: D

Begründung:
The NIC must be explicitly configured with the Cisco dynamic load-balancing setting so it recognizes that the connected Cisco Nexus fabric supports adaptive routing. This completes the integration between NIC-side adaptive routing and switch-side per-packet load balancing for optimized AI training traffic.

56. Frage
A network architect wants to provide high availability for AI compute nodes connected to dual Cisco Nexus switches. Which technology enables active-active uplink forwarding without STP blocking?

A. VRRP
B. GLBP
C. PVST+
D. vPC

Antwort: D

Begründung:
Virtual Port Channel (vPC) allows devices to use active-active uplinks across two Nexus switches while avoiding spanning-tree blocking. This increases bandwidth utilization and resiliency for AI clusters. GLBP and VRRP provide gateway redundancy, while PVST+ still relies on blocking redundant paths.

57. Frage
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