单项选择题
A. Create a Signature (SIG) record for the domain controller.
B. Modify the Name Server (NS) record for the domain controller.
C. Modify the Service Location (SRV) record for the domain controller.
D. Modify the Start of Authority (SOA) record on the domain controller.
多项选择题 You are building a test environment to evaluate DNS Security Extensions (DNSSEC). You have a domain controller named Server1 that runs Windows Server 2008 R2 in your test environment. Server1 has the DNS Server server role installed. You need to configure Server1 to support the DNSSEC evaluation. Which two actions should you perform？（）
单项选择题 Your company has a server that runs Windows Server 2008 R2.You have a new application that locates remote resources by name. The new application requires IPv6.You need to ensure that the application can locate remote resources by using IPv6. What should you do？（）
单项选择题 Your company has a single Active Directory domain. All servers run Windows Server 2008 R2.You install an additional DNS server that runs Windows Server 2008 R2.You need to delete the pointer record for the IP address 10.3.2.127. What should you do？（）