肺的呼吸功能
You work as an Exchange Administrator for Xxx .The company has a Windows 2008 Active Directory-based network.The network contains an Exchange Server 2010 organization.An employee named John has recently left the company.You need to delete the mailbox and the user account for John.You also need to remove the mailbox from the Exchange database.Which of the following commands will you enter in the Exchange Management Shell to accomplish the task？（） Delete-Mailbox -Identity john@TK.com。 Remove-Mailbox -Identity john@TK.com -Permanent $true。 Remove-Mailbox -Identity john@TK.com。 Disable-Mailbox john@TK.com。
运用任务分解法时，任务的分解可基于交付成果，也可基于工作过程。
产业结构软化
在六大常用的水泥中，（）具有的特性是抗冻性好、耐热性差、干缩性较小、耐蚀性差等。 硅酸盐水泥。 普通水泥。 矿渣水泥。 粉煤灰水泥。
You are a senior network administrator at TestKing, and while performing thepassword recovery procedure on your 2500 series Cisco router, you type in thefollowing command:o/r 0x2142What is the purpose of this command?（）
