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2V0-622D · Question #243

Which statement is true regarding Network-Aware DRS?

The correct answer is D. Network-Aware DRS will perform a final check during regular DRS load-balancing to ensure that. Network-Aware DRS performs a final network saturation check during regular DRS load-balancing cycles to avoid migrating VMs to hosts with congested uplinks.

Section 7 – Administer and Analyze vSphere 6.5 Performance

Question

Which statement is true regarding Network-Aware DRS?

Options

  • ANetwork-Aware DRS will perform load-balancing based on the communication of virtual machines
  • BNetwork-Aware DRS is enabled through DRS advanced options.
  • CNetwork-Aware DRS only generated suggested moves; administrators must go in and accept
  • DNetwork-Aware DRS will perform a final check during regular DRS load-balancing to ensure that

How the community answered

(53 responses)
  • A
    2% (1)
  • B
    8% (4)
  • C
    4% (2)
  • D
    87% (46)

Why each option

Network-Aware DRS performs a final network saturation check during regular DRS load-balancing cycles to avoid migrating VMs to hosts with congested uplinks.

ANetwork-Aware DRS will perform load-balancing based on the communication of virtual machines

Network-Aware DRS does not independently load-balance based on VM communication patterns; it only checks for uplink saturation as a veto condition on existing DRS recommendations.

BNetwork-Aware DRS is enabled through DRS advanced options.

Network-Aware DRS is not enabled through DRS advanced options; it is built into DRS and enabled automatically when the distributed switch provides network statistics.

CNetwork-Aware DRS only generated suggested moves; administrators must go in and accept

Network-Aware DRS does not generate separate suggested moves for administrators to accept; it operates transparently within the automated DRS workflow.

DNetwork-Aware DRS will perform a final check during regular DRS load-balancing to ensure thatCorrect

Network-Aware DRS does not run as a separate load-balancing engine; it acts as a final validation step within the normal DRS balancing process. Before committing a migration recommendation, DRS checks whether the destination host's network uplinks are saturated, discarding the move if it would worsen network congestion. This prevents DRS from creating network bottlenecks while trying to balance compute resources.

Concept tested: Network-Aware DRS uplink saturation check behavior

Source: https://docs.vmware.com/en/VMware-vSphere/7.0/com.vmware.vsphere.resmgmt.doc/GUID-FC94B78D-F68A-4ED9-9A44-B63B83DB47CC.html

Topics

#Network-Aware DRS#DRS#network saturation#load balancing

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