350-601 Compute Practice Question
Which THREE factors should be considered when determining the number of upstream Ethernet uplinks from a UCS Fabric Interconnect to the core network? (Choose THREE.)
⚠ Common exam trap
Cisco often tests the distinction between Layer 2 constructs (VLANs) and actual bandwidth consumption, leading candidates to incorrectly select the number of VLANs as a factor for uplink sizing.
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
✓
The number of vNICs per service profile and their bandwidth limits.
The number of vNICs per service profile and their bandwidth limits directly determine the aggregate traffic that must be carried by the upstream Ethernet uplinks. Each vNIC is assigned a specific bandwidth cap (e.g., via QoS policy or vNIC template), and the sum of these caps across all service profiles on a Fabric Interconnect dictates the minimum uplink capacity required to avoid oversubscription.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Number of VLANs defined on the Fabric Interconnect.
Why it's wrong here
VLAN count doesn't dictate uplink number.
- ✗
Server CPU oversubscription ratio.
Why it's wrong here
Not directly relevant.
- ✓
The number of vNICs per service profile and their bandwidth limits.
Why this is correct
More vNICs may require more uplinks for queuing.
- ✓
Total expected traffic from server blades.
Why this is correct
Bandwidth requirements drive uplink count.
- ✓
Redundancy and high availability requirements.
Why this is correct
Need at least 2 for redundancy.
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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.