You support a customer whose network environment includes Skype for Business Server 2015 deployed in a datacenter that has two pools, named PoolA and PoolB. Both PoolA and PoolB have Skype for Business Server 2015 installed. You use the Skype for Business Management Shell for all administrative actions.

You run the Invoke-CsPoolFailover PowerShell cmdlet and you receive the following message:

You need to fail over PoolA only.

Which Skype for Business Management Shell cmdlet or cmdlets should you run?

A. Get-CsDatabaseMirrorState and Invoke-CsManagementServerFailover

B. Set-CsEdgeServer

C. Set-CsAccessEdgeConfiguration

D. Set-CsAVEdgeConfiguration

Explanation: