350-601 Compute Practice Question
A UCS domain is configured with two fabric interconnects in end-host mode. The engineer needs to ensure that traffic from a specific VLAN is load-balanced across both uplinks to the upstream network. Which THREE of the following are valid methods to achieve load balancing on the uplink ports?
⚠ Common exam trap
Cisco often tests the distinction between Ethernet load-balancing methods (like Fabric Port Channel with LACP and MAC pinning) and Fibre Channel-specific features (like pin-groups), leading candidates to mistakenly select pin-groups for Ethernet 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
✓
Fabric port channel with LACP
A Fabric Port Channel with LACP allows multiple uplink ports to be aggregated into a single logical link, providing load balancing across the physical links based on a hash algorithm (e.g., source/destination MAC or IP). This is a standard method for distributing traffic from a specific VLAN across both uplinks to the upstream network in a UCS domain configured with two fabric interconnects in end-host mode.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
VLAN load balancing using the pin-groups
Why it's wrong here
Pin-groups are for traffic prioritization, not load balancing VLANs across uplinks.
- ✗
Configure SPAN on the uplink ports
Why it's wrong here
SPAN is for port mirroring, not load balancing.
- ✓
Fabric port channel with LACP
Why this is correct
A fabric port channel aggregates multiple uplinks into a single logical link, load balancing traffic.
- ✓
MAC pinning to assign source-destination pairs to uplinks
Why this is correct
MAC pinning can be used to load balance traffic based on MAC addresses.
- ✓
vPC-host mode on the fabric interconnects
Why this is correct
vPC-host allows the upstream switch to treat both FIs as a single logical switch, enabling load balancing.
Visual reference
Quick reference
Access Control Model Comparison
| Model | Acronym | Who Controls Access? | Best For |
|---|---|---|---|
| Discretionary Access Control | DAC | Resource owner | Small teams, file shares |
| Mandatory Access Control | MAC | System / security labels | Classified govt / military |
| Role-Based Access Control | RBAC | Administrator (via roles) | Enterprise environments |
| Attribute-Based Access Control | ABAC | Policy engine (user + resource attributes) | Fine-grained, dynamic policies |
| Rule-Based Access Control | RuBAC | System rules / ACLs | Firewall rules, network ACLs |
Go deeper
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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.