公告和通告的区别是什么？
You are designing a name resolution strategy for the retail outlets to ensure that the existing bandwidth is used efficiently. Which three actions should you perform？（） Configure the DNS server service on the terminal servers as caching-only servers.。 Configure multiple sites to have site links and set up a specific replication schedule.。 Configure the default site to have the subnets of Atlanta and the branch offices.。 Create a new DNS zone and configure zone transfers to name servers only.。 Create an application partition to be used for DNS。 Specify the scope of replication to be used for DNS。
You have a database availability group （DAG） that contains two servers named MBX1 and MBX2.You discover that a mailbox database named DB2 is in a FailedAndSuspended state on MBX2.You need to reseed DB2 to MBX2.You must achieve this goal by using the minimum amount of administrative effort.What should you do？（） From the Services console， restart the Microsoft Exchange Replication Service.。 From the Exchange Management Console， run the Add Mailbox Database Copy wizard.。 From the Exchange Management Shell， run the Update-MailboxDatabaseCopy cmdlet.。 From the Exchange Management Shell， run the Restore-DatabaseAvailabilityGroup cmdlet.。
You deploy Windows Server 2008 VPN server behind a firewall. Remote users connect to the VPN by using portable computers that run Windows Vista with the latest service pack. The firewall is configured to allow only secured web communications. You need to enable remote users to connect as securely as possible. you must achieve this goal without opening any additional ports on the firewall. What should you do ()？ Create an IPsec tunnel。 Create an SSTP VPN connection。 Create a PPTP VPN connection。 Create an L2TP VPN connectio。
简述凝胶电泳的分类及其操作要点。
ERP系统中的主业务流程包括（）模块。
I.物流管理
II.财务管理
III.生产管理
IV.库存管理
V.采购管理
