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Cisco 300-640 Exam Syllabus Topics:

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. 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?

A) Enable all QoS system classes.
B) Disable Platinum system class.
C) Disable Gold system class.
D) Enable Platinum class and uncheck Allow Packet Drops.

2. Which result is provided through image recognition using AI?

A) detection and labeling of visual elements from digital sources
B) scheduling of management tasks during maintenance periods
C) routing of multicast messages across network boundaries
D) anonymization of audit trails for compliance objectives

3. 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?

A) Enable Priority Flow Control on the traffic class carrying RoCEv2 packets.
B) Configure weighted fair queuing to prioritize RDMA traffic over other traffic classes.
C) Set the RDMA traffic to use the highest DSCP value to ensure priority forwarding.
D) Implement traffic shaping to smooth RDMA traffic bursts and prevent congestion.

4. A network administrator configures RDMA over Converged Ethernet version 2 (RoCEv2). Which transport protocol does RoCEv2 use at Layer 4?

A) ICMP
B) UDP
C) TCP
D) SCTP

5. A Cisco AI infrastructure requires fast convergence after a spine switch failure. Which routing design principle best supports this objective?

A) Static route redistribution
B) Layer 2 loop dependency
C) Single-path forwarding
D) Equal-cost multipath routing

Solutions: