简述原始凭证和记账凭证的概念，并简述两者间的联系和区别。
Your network contains an Exchange Server 2010 server.All users access their mailboxes by using only Microsoft Office Outlook 2007.You configure a policy to archive all e-mail messages located in the Entire Mailbox 365 days after they are received.You need to ensure that all members of a department named Sales can retain some e-mail messages for five years. What should you create first？（） a linked mailbox。 a managed custom folder。 a message classification。 an Outlook Protection Rule。
能够全面反映建设工程施工全过程质量控制和保证的依据性证明资料是（）。 工程质量控制资料。 工程竣工质量验收资料。 竣工图。 工程施工技术管理资料。
在乐理中基本音叫（） 半音。 低音。 中音。 高音。
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. A firewall at Testking.com separates the internal network and a perimeter network. The perimeter networkcontains an Exchange Server 2010 Edge Transport server. You have received instructions from the CIO to install an internal Exchange Server 2010 with the followingcriteria： 1. The support of EdgeSync synchronizaiton and encrypted delivery of outbound e-mail messages to theEdge Transport server. 2. The minimization of the attack surface of the internal network. What should you do？（） The best option is to use port 3309 and 25 from the internal network to the perimeter network.。 The best option is to use port 3309 and 636 from the internal network to the perimeter network.。 The best option is to use port 50636 and 25 from the internal network to the perimeter network.。 The best option is to use port 50636 and 135 from the internal network to the perimeter network.。
WMF格式的文件属于（）。
