350-601 Network Practice Question
A network engineer is verifying VPC configuration on a pair of Nexus switches. Which two commands should be used to check VPC status and consistency? (Choose two.)
⚠ Common exam trap
Cisco often tests the distinction between commands that show operational status (show vpc) versus those that verify configuration synchronization (show vpc consistency-parameters), leading candidates to mistakenly select 'show vpc role' or 'show vpc peer-keepalive' as sufficient for consistency checks.
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
✓
show vpc consistency-parameters
(show vpc) is correct because it displays the overall VPC status, including the local and peer VPC system MAC, role, and the operational state of each VPC member port. Option B (show vpc consistency-parameters) is correct because it verifies that critical parameters (e.g., STP mode, VLAN interfaces, MTU) are consistent between the two VPC peers, which is essential for VPC to function correctly and avoid traffic black-holing.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
show vpc role
Why it's wrong here
Displays role but not consistency.
- ✓
show vpc consistency-parameters
Why this is correct
This checks for configuration mismatches between VPC peers.
- ✗
show vpc peer-keepalive
Why it's wrong here
Checks keepalive but not overall consistency.
- ✓
show vpc
Why this is correct
This command displays the VPC domain status and roles.
- ✗
show vpc statistics
Why it's wrong here
Shows statistics but not status or consistency.
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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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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