You work as the enterprise exchange administrator at TestKing.com. TestKing.com makes use of Microsoft Exchange Server messaging solution. The TestKing.com network consists of a single ActiveDirectory domain named testking.com. TestKing.com has its headquarters in Chicago and a branch office in Dallas. Both offices are an ActiveDirectory site that is connected to each other via WAN link. You receive an intruction from management toplan the installation of Exchange Server 2010 in both offices. You need to ensure that user access ismaintained in the event of a server failure as well as keepin the amount of Exchange servers in bothActive Directory sites to a minimum. What should you do？（） The best option is to install four servers in every Active Directory site.。 The best option is to install three servers in every Active Directory site.。 The best option is to install two servers in every Active Directory site.。 The best option is to install one servers in every Active Directory site.。
无支护土方工程开挖时，应采用的开挖方法是（）。 放坡挖土。 逆作法挖土。 盆式挖土。 中心岛式挖土。
猝死的常见诱因？
You are designing a forest structure to meet the business and technical requirements. How many forests should you create？（） One。 Two。 Three。 Four。
新建一个文档，可以使用快捷方式（） ctrl+f。 ctrl+e。 ctrl+n。 ctrl+a。
火力发电厂排出的烟气会造成大气的污染，其主要污染物是（）
