Your company has a single Active Directory domain named intranet.contoso.com. All domain controllers run Windows Server 2008. The domain functional level and the forest functional level are set to Windows 2000 native mode. You need to ensure the UPN suffix for contoso.com is available for user accounts. What should you do first（）
A. Raise the contoso.com forest functional level to Windows Server 2003 or Windows Server 2008.
B. Raise the contoso.com domain functional level to Windows Server 2003 or Windows Server 2008.
C. Add the new UPN suffix to the forest.
D. Change the Primary DNS Suffix option in the Default Domain Controllers Group Policy Object （GPO） to contoso.com.
查看答案
面部“危险三角区”疖的危险性在于（）。
A. 容易引起眼球感染
B. 容易形成痈
C. 进入上颌窦
D. 抗生素治疗无效
E. 容易引起海绵状静脉窦炎
可作为地中海贫血诊断的试验是（）
A. Heinz小体
B. 高铁血红蛋白还原试验
C. 氮蓝四唑纸片法
D. 红细胞G6PD活性定量测定
E. 红细胞酸洗脱试验
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