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Cisco 300-640 Exam Syllabus Topics:

Cisco Implementing Cisco Data Center AI Infrastructure Sample Questions:

1. A Cisco Nexus switch participates in an AI cluster using ECMP forwarding. Several flows between GPU servers consistently use the same uplink, creating congestion while other links remain underutilized. Which action improves traffic distribution?

A) Enable port security
B) Disable hashing
C) Modify the hashing algorithm
D) Increase MTU size

2. When considering a rail-only network design, when would adding spine switches make sense?

A) when needing a greater path redundancy within a single scalable unit
B) when increasing the overall available buffers that spines provide
C) when providing greater overall total bandwidth within a single scalable unit
D) when scaling out to support traffic between multiple scalable units

3. 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?

A) Disable extended power capacity.
B) Implement a power capping policy.
C) Add more power supplies.
D) Enable extended power capacity.

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

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

5. 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?

A) Increased encryption overhead
B) Lower CPU utilization and fewer frames
C) Elimination of packet buffering
D) Reduced Layer 3 convergence time

Solutions: