You have an Exchange Server 2010 Mailbox server.You need to ensure that deleted mailboxes are kept for 60 days.What should you do？（） ["Create a Retention Policy.","Create a managed folder mailbox policy.","Modify the properties of the mailbox database.","Modify the properties of the Mailbox server object."]
肝功能严重不良时泼尼松的作用将（） ["减弱","增强","不变","消失"]
人与物的根本区别是（） ["人有主观能动性","人有客观性","人会说话","人会使用工具"]
内源性凝血
You deploy two Windows Server 2008 R2 Hyper-V servers. You manage the servers by using Microsoft System Center Virtual Machine Manager （VMM） 2008 R2. You need to ensure that you can restore virtual machines （VMs） in the event of a hardware failure. What should you do？（） ["Use a PowerShell script to create a snapshot of each VM. Run the script every 60 minutes on each Hyper-V server","Use a PowerShell script to create a checkpoint of each VM. Run the script every 60 minutes on each Hyper-V server","Use a PowerShell script to pause， export， and start each VM， and then to copy the export to the opposite Hyper-V server. Run the script once per day on each Hyper-V server","Use a PowerShell script to shut down， export， and start each VM， and then to copy the export to the opposite Hyper-V server. Run the script once per day on each Hyper-V server"]
依我国《公司法》，公司减资的程序主要有哪些？
