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350-401 Practice Question: Which three statements about virtual networking…
Which three statements about virtual networking and hypervisor switches are true? (Choose three.)
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
✓
A standard virtual switch (vSwitch) operates at Layer 2 and can forward frames between virtual machines on the same host.
Virtual switches (vSwitch) forward frames between VMs and physical NICs. They support VLANs and port groups. A distributed switch spans multiple hosts. Virtual switches do not require STP because loops are prevented by design.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
A standard virtual switch (vSwitch) operates at Layer 2 and can forward frames between virtual machines on the same host.
Why this is correct
Correct because a vSwitch is a Layer 2 switch that connects VMs within a host.
- ✓
A distributed virtual switch (DVS) provides consistent network configuration across multiple ESXi hosts in a cluster.
Why this is correct
Correct because a DVS centralizes network settings and spans multiple hosts.
- ✓
Virtual switches support VLAN tagging using IEEE 802.1Q trunking between the hypervisor and physical switches.
Why this is correct
Correct because virtual switches can be configured with VLAN IDs to segregate traffic.
- ✗
Spanning Tree Protocol (STP) must always be enabled on virtual switches to prevent loops in the virtual network.
Why it's wrong here
Incorrect because virtual switches do not use STP; loops are avoided by design (no redundant paths within a single vSwitch).
- ✗
A virtual switch can only be configured with a single port group for all virtual machines.
Why it's wrong here
Incorrect because a virtual switch supports multiple port groups, each with different VLAN or policy settings.
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Last reviewed: Jun 18, 2026
This 350-401 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 350-401 exam.
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