350-601 Compute Practice Question
A data center engineer is planning a Cisco UCS deployment for a virtualized environment. The requirement is to maximize performance for virtual machine traffic while minimizing latency. Which feature should be enabled on the UCS Manager to offload packet processing from the host CPU?
⚠ Common exam trap
Many exam-takers confuse 'offload' with any feature that improves performance, but only hardware VLAN tagging and checksum offload directly offloads packet processing from the host CPU, while options like FCoE offload are storage-specific and not applicable to general VM traffic.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Hardware VLAN tagging and checksum offload
Hardware VLAN tagging and checksum offload offloads packet processing tasks (VLAN insertion/stripping and checksum calculation) from the host CPU to the Cisco UCS virtual interface card (VIC) adapter. This reduces CPU overhead and minimizes latency for virtual machine traffic, directly meeting the requirement to maximize performance in a virtualized environment.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Data Center Ethernet (DCE) priority flow control
Why it's wrong here
PFC is a flow control mechanism, not an offload.
- ✗
vNIC failover policy
Why it's wrong here
Failover is for redundancy, not performance.
- ✓
Hardware VLAN tagging and checksum offload
Why this is correct
These offloads reduce CPU utilization and improve throughput.
- ✗
Fibre Channel over Ethernet (FCoE) offload
Why it's wrong here
FCoE offload is for storage traffic, not general VM traffic.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 350-601 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 350-601 exam.