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Pop Quiz

Pop Quiz: Windows Server 2012 DHCP Address Management

Applies to the “Deploy and Configure Core Network Services” objective of Exam 70-410.


Q: A company's network administrator needs to ensure a specific IP address is never assigned by a Windows Server 2012 DHCP server to any device connecting to the network.

Which of the following should the administrator configure on the Windows Server 2012 DHCP server?

  1. Reservation
  2. Scope options
  3. NAP
  4. Scope properties

Answer and explanation are below.

Answer is A. Configuring an IP address as a reservation will restrict a DHCP server's assignment of that address unless a specific MAC address makes a request for the address.

Quick Tip: Policies can also be defined per scope or server. Policy based assignment (PBA) allows an administrator to group DHCP clients by specific attributes based on fields contained in the DHCP client request packet. This feature allows for targeted administration and greater control of configuration parameters delivered to network devices.


Bonus Question: Which Windows Server 2012 Active Directory tool can be used to locate inactive accounts, expired passwords, locked accounts and so on? (The answer, of course, will be revealed next time!)

Answer to bonus question from last time: IPAM (IP Address Management) in Windows Server 2012 is a new built-in framework for discovering, monitoring, auditing, and managing the IP address space used on a corporate network. IPAM provides for administration and monitoring of servers running Dynamic Host Configuration Protocol (DHCP) and Domain Name Service (DNS).


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

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Reader Comments:

Tue, Feb 12, 2013 Jim Minnesota

Out of the options, this is the best answer and it will work. You should actually create an exclusion range for the single IP address. if are taking the 410 test, there is a question about making sure that a server always pulls dhcp from server1 and not sever2. The answer to that one is to put a filter on server2. At least there was on Sunday when I took it.

Tue, Feb 12, 2013 Dano

Becuase of the word never. I too thought that "DHCP reservation" did not answer the question as well as DHCP scope options. A reservation does assign the IP when the mac address condition is met.

Tue, Feb 12, 2013 Casey McCarthy

I'm struggling with this question. The question presents the requirement that, "a specific IP address is never assigned by a Windows Server 2012 DHCP server to any device connecting to the network." With the answer being a Reservation, exactly 1 device with a matching MAC WOULD get assigned by the DHCP server. This contradicts the requirement as "1" is more than "never...any." Would a better answer be to add an Exclusion Range for the specific IP Address? That way DHCP never hands out the IP Address in that range, to any device, regardless of any other condition.

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