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2V0-622 · Question #376

What are two features introduced in Network I/O Control version 3? (Choose two.)

The correct answer is B. Network resource pools C. CoS tagging. Network I/O Control version 3 introduced user-defined network resource pools and 802.1p CoS tagging as new capabilities beyond what version 2 provided.

Section 2 – Configure and Administer vSphere 6.5 Networking

Question

What are two features introduced in Network I/O Control version 3? (Choose two.)

Options

  • ABandwidth reservation per traffic type
  • BNetwork resource pools
  • CCoS tagging
  • DBandwidth guarantee to virtual machines

How the community answered

(41 responses)
  • A
    7% (3)
  • B
    76% (31)
  • D
    17% (7)

Why each option

Network I/O Control version 3 introduced user-defined network resource pools and 802.1p CoS tagging as new capabilities beyond what version 2 provided.

ABandwidth reservation per traffic type

Bandwidth reservation per traffic type was a core feature of NIOC v2 using shares and limits, not a new addition introduced in v3.

BNetwork resource poolsCorrect

NIOC v3 introduced user-defined network resource pools, allowing administrators to create custom traffic categories and apply bandwidth policies beyond the fixed system-defined pools available in v2.

CCoS taggingCorrect

NIOC v3 added support for 802.1p Class of Service tagging on outbound traffic, enabling downstream physical switches to honor QoS markings - a capability not present in v2.

DBandwidth guarantee to virtual machines

NIOC v3 introduced per-VM bandwidth reservations, not open-ended guarantees - the specific feature is scoped to minimum bandwidth reservations, making the term 'guarantee' an inaccurate characterization of the v3 capability.

Concept tested: Network I/O Control v3 new features

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.networking.doc/GUID-6DA1CC23-BC23-4B79-B461-5E9F68DFB8BA.html

Topics

#Network I/O Control#NIOC v3#bandwidth management#QoS

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