按住ALT键的同时单击图层面板中某一图层前的（）图标，此时只显示该图层的内容而其余图层内容全部隐藏；再次按住（）单击该图层，将显示所有图层的内容。
在一般缺氧危险作业和特殊缺氧危险作业场所，作业人员必须配备并使用（）。 防毒口罩。 过滤式防毒面具。 隔离式呼吸保护器具。
You are a network administrator for Alpine Ski House. The network consists of a single Active Directory domain. The domain name is alpineskihouse.com. The network contains three Windows Server 2003 domain controllers. You are creating the recovery plan for the company. According to the existing backup plan， domain controllers are backed up by using normal backups each night. The normal backups of the domain controllers include the system state of each domain controller. Your recovery plan must incorporate the following organizational requirements. Active Directory objects that are accidentally or maliciously deleted must be recoverable. Active Directory must be restored to its most recent state as quickly as possible. Active Directory database replication must be minimized.You need to create a plan to restore a deleted organizational unit （OU）. Which two actions should you include in your plan？（） Restart a domain controller in Directory Services Restore Mode.。 Restart a domain controller in Safe Mode.。 Use the Ntdsutil utility to perform an authoritative restore operation of the Active Directory database.。 Restore the system state by using the Always replace the file on my computer option.。 Use the Ntdsutil utility to perform an authoritative restore operation of the appropriate subtree.。
图层组可以方便地对（）进行管理，并对“组”中的所有层进行统一参数设置。
为应用程序开发人员上班 Certkiller。 com。Certkiller.com 作为其应用程序使用 Visual Studio.NET 2005开发平台。您正在开发。NET Framework 2.0 应用程序将用于地理的映射。每当您加载插件的创建单独的应用程序域。要指定搜索的目录列表私有程序集。您需要将应用程序基目录添加为部件,您的搜索和需要配置应用程序域满足要求 （） 应使用AppDomainSetup.PrivateBinPathProbe属性。。 应使用AppDomain.BaseDirectory属性。。 应使用AppDomain.DynamicDirectory属性。。 应使用AppDomainSetup.PrivateBinPath属性。。
You need to design the deployment of antivirus software. What should you do？（）
