- A
VPC member ports can be configured on only one of the VPC peers to avoid loops.
Why wrong: Member ports must be configured on both peers for the same VPC VLAN.
- B
VPC consistency checks ensure that both peers have identical configurations for VPC member ports.
Correct. Consistency checks prevent misconfigurations that could cause loops.
- C
The VPC peer-keepalive link is used to monitor the liveness of the VPC peer.
Correct. The keepalive link sends heartbeats to detect peer failure.
- D
VPC requires an IGP routing protocol between the peers to exchange MAC addresses.
Why wrong: VPC uses the peer-link for MAC synchronization; no routing protocol is required.
- E
The VPC peer-link carries only control-plane traffic between the VPC peers.
Why wrong: The peer-link carries both control and data traffic (e.g., BPDUs, multicast, and unicast).
350-601 Network Practice Question
This 350-601 practice question tests your understanding of network. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A network engineer is planning to implement VPC in a Cisco Nexus data center. Which two statements about VPC components are true? (Choose two.)
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
VPC consistency checks ensure that both peers have identical configurations for VPC member ports.
Option B is correct because VPC consistency checks are a critical feature that ensures both VPC peers have identical configurations for member ports, such as VLANs, allowed VLAN lists, and interface parameters. If configurations diverge, the VPC will suspend member ports to prevent traffic disruption or loops. This check is performed via the Cisco NX-OS Consistency Checker, which validates parameters like STP settings, port type, and allowed VLANs.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
VPC member ports can be configured on only one of the VPC peers to avoid loops.
Why it's wrong here
Member ports must be configured on both peers for the same VPC VLAN.
- ✓
VPC consistency checks ensure that both peers have identical configurations for VPC member ports.
Why this is correct
Correct. Consistency checks prevent misconfigurations that could cause loops.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
The VPC peer-keepalive link is used to monitor the liveness of the VPC peer.
Why this is correct
Correct. The keepalive link sends heartbeats to detect peer failure.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
VPC requires an IGP routing protocol between the peers to exchange MAC addresses.
Why it's wrong here
VPC uses the peer-link for MAC synchronization; no routing protocol is required.
- ✗
The VPC peer-link carries only control-plane traffic between the VPC peers.
Why it's wrong here
The peer-link carries both control and data traffic (e.g., BPDUs, multicast, and unicast).
Common exam traps
Common exam trap: answer the scenario, not the keyword
Cisco often tests the misconception that the peer-link carries only control-plane traffic, but in reality it also carries data-plane traffic for orphan ports and traffic that needs to reach the other VPC peer.
Detailed technical explanation
How to think about this question
Under the hood, VPC uses the Cisco Fabric Services (CFS) protocol over the peer-link to synchronize MAC addresses, ARP tables, and IGMP snooping entries between peers. The peer-keepalive link (option C) uses a separate Layer 3 path (typically a management or routed interface) with UDP or ICMP to detect peer liveness, and it is not used for data or control-plane traffic. In real-world scenarios, a failure of the peer-keepalive link alone does not cause VPC to suspend; the peer-link must also fail for the secondary peer to take over, preventing split-brain scenarios.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A help-desk technician troubleshoots why a newly connected PC cannot reach shared printers on the same floor. The cable is good, the switch port is active, but the PC is in VLAN 20 and the printers are in VLAN 10. The uplink trunk only allows VLAN 10. A trunk being up does not mean every VLAN crosses it.
Visual reference
What to study next
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FAQ
Questions learners often ask
What does this 350-601 question test?
Network — This question tests Network — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: VPC consistency checks ensure that both peers have identical configurations for VPC member ports. — Option B is correct because VPC consistency checks are a critical feature that ensures both VPC peers have identical configurations for member ports, such as VLANs, allowed VLAN lists, and interface parameters. If configurations diverge, the VPC will suspend member ports to prevent traffic disruption or loops. This check is performed via the Cisco NX-OS Consistency Checker, which validates parameters like STP settings, port type, and allowed VLANs.
What should I do if I get this 350-601 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
About these practice questions
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Last reviewed: Jul 4, 2026
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.
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