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Cisco 300-640 Exam Syllabus Topics:

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

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Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions (Q19-Q24):

NEW QUESTION # 19
How does RAG enhance the capabilities of LLMs?

A. by providing access to proprietary data
B. by removing the data preparation and cleaning step
C. by removing inherent biases from LLM outputs
D. by retaining the LLM by altering its core parameters

Answer: A

Explanation:
RAG enhances LLMs by retrieving relevant external or proprietary information at generation time and using that context to produce more accurate, current, and domain-specific responses without changing the model's core parameters.

NEW QUESTION # 20
A data center operator configures telemetry streaming on Cisco Nexus switches. What is the primary operational advantage over traditional SNMP polling?

A. Mandatory hardware replacement
B. Real-time visibility with lower overhead
C. Increased packet fragmentation
D. Elimination of routing tables

Answer: B

Explanation:
Streaming telemetry continuously exports operational data in near real time, improving visibility and reducing polling overhead compared to SNMP. AI infrastructures require rapid monitoring of congestion and latency conditions. Telemetry does not remove routing tables or require hardware replacement.

NEW QUESTION # 21
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 seen this anomaly across more than one device in the fabric.
B. It indicates that the Nexus Dashboard has correlated the scope of the impact.
C. It indicates that the Nexus Dashboard has correlated this anomaly to activity by specific user account.
D. It indicates that this anomaly is a result of a higher-level root anomaly.

Answer: D

Explanation:
In Nexus Dashboard, a correlated anomaly means the displayed issue is associated with a higher-level root anomaly. The BGP peer-down event is being treated as a resulting or related symptom rather than the primary root cause, helping operators focus troubleshooting on the upstream issue first.

NEW QUESTION # 22
A corporate network administrator manages a HyperFabric AI environment and wants to receive email notifications about assertions in the fabric. The administrator sets up a recipient email endpoint under the notification endpoints in the controller, but notifications are not received.
Which two configurations cause the issue? (Choose two.)

A. The fabric of interest and email endpoint are not configured in the default notification policy.
B. The HyperFabric controller cannot reach the email server of the Acme Corporation.
C. The DNS server IP is not defined in the controller.
D. The recipient email address is not verified by the HyperFabric controller.
E. The email server configuration is not configured using the DNS name.

Answer: A,D

Explanation:
Email endpoints must be verified before they can receive HyperFabric notifications, and the endpoint must also be included with the relevant fabric in the notification policy. Creating the email endpoint alone does not activate assertion notifications for a fabric until both of these notification requirements are completed.

NEW QUESTION # 23
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?

A. LAN connectivity policy
B. port policy
C. Ethernet network group
D. network connectivity policy

Answer: B

Explanation:
In Cisco Intersight Managed Mode, fabric interconnect port roles and uplink port channels are defined in the port policy associated with the UCS domain profile. Modifying the port policy allows the engineer to configure multiple 100 GbE uplink ports as a port channel for aggregated bandwidth and high availability toward the upstream network.

NEW QUESTION # 24
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