[多选] Which three statements are true about the Internet Group Management Protocol (IGMP)? （）

You are the network administrator for your company. Your network consists of a single Active Directory domain named All network servers run Windows Server 2003. A total of three servers are configured as domain controllers. You need to restore a failed domain controller named DC3. The last backup for any domain controller on the network occurred one week ago. First, you reinstall Windows Server 2003 on DC3. What should you do next?（） Start DC3 and select Directory Services Restore Mode. Perform a nonauthoriative restoration.。 Start DC3 and select the Recovery Console. Perform a nonauthoriative restoration.。 Run Ntbackup.exe on DC3 to restore the System State data.。 Run the Active Directory Installation Wizard on DC3.。 若尸体检验时在心脏或大动脉的血液内含有（）以上的炭氧血红蛋白是生前烧死的证据。 70％。 50％。 20％。 5％。 用户可在产品的（）上找到产品的Serial numbe 注册卡。 产品外包装。 光盘外包装。 网络。 述责述廉报告应当载入廉洁档案，并在一定范围内公开。 皮电反应 Which three statements are true about the Internet Group Management Protocol (IGMP)? （）