Domain Controllers (Exam 70-642)
When configuring a RODC running Windows 2008 for DNS client updates what is required? (Choose two)
- The DNS zone must be set to allow both secure and non-secure updates.
- There is no option to configure a RODC for DNS client updates.
- Configuration must take place at a writable DNS server.
- The RODC must be promoted to a writable DNS server.
B and C are correct since no configuration DNS or otherwise can be performed at a read-only domain controller.
Answer B may be the choice made at a writable DNS server. Answer D is incorrect as there is no promotion path for RODCs.
Windows Server 2008 DNS servers running on RODCs replicate a full copy of all application directory partitions that DNS uses, including domain and forest.
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Tip: Windows 2008 DNS supports a new zone for RODCs called a primary read-only zone.
Tech Reference: "DNS Infrastructure"
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 [email protected].