患者，男性，56岁，心电图示室颤，对其行除颤进行急救，下列哪项叙述是正确的（） 选择同步直流电除颤。 单相波除颤能量为120J。 用止汗剂对胸部进行清洁。 术者双臂伸直，垂直下压，确保术者身体离开患者床单位后，双手同时按压放电按钮除颤。 观察心电图示波，了解除颤效果和并发症。
You are designing a strategy to migrate user accounts. Which two actions should you perform? （） Change the functional level.。 Create an external trust relationship.。 Run adprep to prepare the research.com forest.。 Run adprep to prepare the research.com domain.。
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The following configuration exists on a router on one end of an IPv6 tunnel. Although the configuration added so far is correct, the configuration is incomplete. Which type of tunnel is most likely to be intended by the network engineer？（） interface loopback 1 ip address 192.168.1.1 255.255.255.255 interface tunnel 2 ipv6 address 2002:C0A8:10 1::1/64 tunnel source loopback 1 Automatic 6to4。 Manually configured tunnel。 ISATAP。 GRE。
Your network consists of a single Active Directory domain. All servers run Windows Server 2003 Service Pack 2 (SP2). You have two servers named Server1 and Server2. Both servers have Windows Server Update Services (WSUS) 3.0 installed. You need to configure WSUS so that Server2 uses Server1 as the upstream server. What should you do on Server2?（） From the command prompt， run wuauclt.exe.。 From the command prompt， run wsusutil.exe.。 From the Update Services console， run the WSUS Server Configuration Wizard.。 From the Local Computer Policy， specify the location on the intranet for the Microsoft update service.。
下列密码体制中属于数字签名有（）。
