企业应当设置或配备与经营规模、经营范围相适应的，并符合相关资格要求的质量管理、经营等关键岗位人员。从事质量管理工作的人员应当（）。 正确。 错误。
You work in a company which is named Wiikigo Corp. The company uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. There is a database named DB1 in the instance. On DB1, quite few logged operations are performed. Now according to the requirement of the company CIO, you must validate that the database can be restored to a specific point in time. So what action should you perform to achieve this goal? （） 正确。 错误。
固定床式（填充床）缺点（） 正确。 错误。
梭伦改革 正确。 错误。
Your network consists of a single Active Directory domain. You have a domain controller and a member server that run Windows Server 2008 R2. Both servers are configured as DNS servers. Client computers run either Windows XP Service Pack 3 or Windows 7. You have a standard primary zone on the domain controller. The member server hosts a secondary copy of the zone.You need to ensure that only authenticated users are allowed to update host （A） records in the DNS zone. What should you do first（） 正确。 错误。
水泥细度试验每个试样应取2个试样分别试验，取平均值作为试验筛余的最终结果。如果2个筛余结果之差>0.5%时，应再做一次，取3个结果的平均值作为最终结果。
