You have a computer that runs Windows Vista. You install Windows 7 on a new partition on the computer.You need to ensure that the computer always starts Windows Vista by default. What should you do?（） Run Bcdedit.exe and specify the /default parameter.。 Run Bcdedit.exe and specify the /bootems parameter.。 Create a boot.ini file in the root of the Windows 7 partition.。 Create a boot.ini file in the root of the Windows Vista partition.。
投标保证金一般不得超过投标总价的（）；但最高不得超过（）万元人民币。 2%；80。 3%；80。 2%；60。 3%；60。
Your network contains a single Active Directory domain. You have an Exchange Server 2010 organization that contains a Hub Transport server named Hub1. Hub1 receives all e-mail messages that are sent to your organization from the Internet. A new company security policy states that domain-joined servers must not be accessible directly from theInternet. You need to create a message hygiene solution to meet the following requirements： .Comply with the new security policy .Minimize the amount of spam that is delivered to the internal Exchange servers in the organization What should you do first？（） Deploy an Edge Transport server， and then configure EdgeSync synchronization.。 Deploy a new Hub Transport server， and then install the anti-spam transport agents.。 Deploy a new Hub Transport server， and then deploy Active Directory Federation Services （AD FS）.。 Deploy an Edge Transport server， and then disable Active Directory Lightweight Directory Services（AD LDS）.。
You have a server that runs Windows Server 2008 R2. You plan to install Exchange Server 2010 on the server. You need to install the Exchange Server 2010 prerequisites for the Unified Messaging （UM）， Mailbox， Client Access， and Hub Transport server roles. What should you run（）？
《农作物种子生产经营许可管理办法》中所称种子生产的概念是什么？
You need to block messages from senders that do not comply sender policy framework （SPF）.What do you need to implement？（）
