VCP-DCV Configure and Manage vSphere Networking Practice Question
An administrator has configured a vSphere Distributed Switch (VDS) with Network I/O Control. They need to guarantee bandwidth for a specific set of virtual machines. Which method should be used?
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
✓
Create a port group with a custom network resource pool.
Create a port group with a custom network resource pool. Network I/O Control allows administrators to create network resource pools to guarantee bandwidth for specific virtual machines or port groups. By creating a custom network resource pool and assigning it to a port group, you can reserve a certain amount of bandwidth. Option B is incorrect because SR-IOV provides direct hardware passthrough but does not manage bandwidth guarantees; it can actually bypass Network I/O Control. Option C is incorrect because setting a VLAN tag does not guarantee bandwidth; it only separates traffic. Option D is incorrect because traffic shaping is used to limit bandwidth (throttle outgoing traffic) but does not guarantee a minimum bandwidth; it only caps it.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Create a port group with a custom network resource pool.
Why this is correct
Network Resource Pools allow bandwidth reservation and guarantee.
- ✗
Enable SR-IOV on the physical NICs.
Why it's wrong here
SR-IOV is for direct device assignment, not bandwidth control.
- ✗
Set the virtual machine's network adapter to use a specific VLAN.
Why it's wrong here
VLANs provide segmentation, not bandwidth guarantees.
- ✗
Configure Traffic Shaping on the distributed switch.
Why it's wrong here
Traffic shaping limits but does not guarantee bandwidth.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This VCP-DCV practice question is part of Courseiva's free VMware 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 VCP-DCV exam.