Pop Quiz

Pop Quiz: Windows Server 2012 R2 DHCP Failover

Applies to the "Design and implement network infrastructure services" objective of Exam 70-413.

Q: A company's IT team is planning to deploy a DHCP failover infrastructure. The team needs to know how to configure failover servers using a shared secret between DHCP failover cluster nodes.

Which of the following is required to configure DHCP failover servers to use a shared secret between DHCP failover cluster nodes?

  1. Set-DhcpServerv4Failover –Name "DHCPMCSDhcp"  -SharedSecret "123"
  2. Get-ClusterResource –Name DHCPMCSDhcp | select OwnerNode
  3. Set-DhcpServerv6Failover –Name "DHCPMCSDhcp"  -SharedSecret "123"
  4. Set-DhcpServerFailover –Name "DHCPMCSDhcp"  -SharedSecret "123"

Answer is A. On the currently active cluster node, type the following command at an elevated Windows PowerShell prompt; Set-DhcpServerv4Failover –Name "DHCPMCSDhcp"  -SharedSecret "123". The name of the cluster in this example is DHCPMCSDhcp and the shared secret is 123.

Quick Tip: DHCP failover is not supported for Internet Protocol version 6 (IPv6) scopes.

Reference: What is DHCP Failover?

Bonus Question: What is the name of the technology available in Windows Server 2012 R2 that allows devices to automatically remain office-network connected even when remote? (The answer, of course, will be revealed next time!)  

Answer to bonus question from last week: IP Address Management (IPAM) is the name of the technology available in Windows Server 2012 R2 that automatically discovers IP address infrastructure servers.

About the Author

Andy Barkl, MCT/MCITP/MCSA, A+, Network+, Security+, CCNA has been studying technology for 30 years. Of the last 15 years, he has spent much of his time parting the knowledge and experience he has gained through IT exams, over 300, to help others be prepared and successful. He teaches classes in Phoenix, Ariz. where he has lived most of his life. He can be reached by e-mail at andy.barkl@gmail.com.

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