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Broadcom-VMware

2V0-620 · Question #156

Which two allow for the disabling of Network Rollback operations? (Choose two.)

The correct answer is A. Modifying the vpxd advanded configuration options and adding the config.vpxd.network.rollback B. Modifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting. Network Rollback in vCenter can be disabled either through the vCenter advanced configuration UI by setting the rollback key, or by directly editing the vpxd.cfg configuration file.

Section 3 – Install and Configure vCenter Server and ESXi

Question

Which two allow for the disabling of Network Rollback operations? (Choose two.)

Options

  • AModifying the vpxd advanded configuration options and adding the config.vpxd.network.rollback
  • BModifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting
  • CModifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the
  • DModifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\firstboot\vpxd-service- spec.prop file

How the community answered

(56 responses)
  • A
    79% (44)
  • C
    14% (8)
  • D
    7% (4)

Why each option

Network Rollback in vCenter can be disabled either through the vCenter advanced configuration UI by setting the rollback key, or by directly editing the vpxd.cfg configuration file.

AModifying the vpxd advanded configuration options and adding the config.vpxd.network.rollbackCorrect

Adding the config.vpxd.network.rollback key with a value of false via vCenter Server's advanced configuration options (Administration - vCenter Server Settings) is a supported method to disable the network rollback feature without editing files directly.

BModifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjustingCorrect

Directly modifying the vpxd.cfg file located at C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg and setting the appropriate rollback configuration element is the file-based equivalent method for disabling network rollback.

CModifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\vpxd.cfg file and adjusting the

Although the path references vpxd.cfg, this choice describes adjusting a different or incorrect parameter within that file and does not correspond to the correct rollback configuration key needed to disable the feature.

DModifying the C:\ProgramData\VMware\CIS\cfg\vmware-vpx\firstboot\vpxd-service- spec.prop file

The firstboot vpxd-service-spec.prop file is used during initial vCenter installation and service bootstrapping and is not the correct file for modifying runtime network rollback behavior.

Concept tested: Disabling vCenter Network Rollback configuration

Source: https://docs.vmware.com/en/VMware-vSphere/6.7/com.vmware.vsphere.networking.doc/GUID-1E747F4B-2A2E-4A8A-9B40-C6A3AE3D7669.html

Topics

#Network Rollback#vpxd configuration#vSphere Distributed Switch#advanced config

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