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问题：
[单选]
关于网页中头部标签，说法错误的是（）
A . 头部信息指包含在<head></hesa>一对头部标签内的信息
B . 包含在头部之间的内容不会在浏览器中显示出来
C . 关键字设置属于头信息内容
D . 页面属性的设置属于头信息内容
You create a Web Form that contains connected Web Parts. You write the following declaration in your Web Form.You need to ensure that your Web Part connection is valid. Which two actions should you perform? （） Include a data source identified as "WebPartConnection1" on the Web Form.。 Include a Web Part identified as "customerPart" on the Web Form.。 Include a Web Part identified as "ordersPart" on the Web Form.。 Ensure that you declare an interface named "IOrdersPart".。 Ensure that you declare an interface named "ICustomerPart".。 Ensure that each Web Part declares either a GetInterface or ProvideInterface method.。
水泥细度筛析时，应调整负压范围在4000-6000Pa之间，连续筛析3min，当负压小于4000Pa时，应清理吸尘器内的水泥至负压正常。
Your network consists of an Active Directory forest named contoso.com. All servers run Windows Server 2008 R2. All domain controllers are configured as DNS servers. The contoso.com DNS zone is stored in the ForestDnsZones Active Directory application partition. You have a member server that contains a standard primary DNS zone for dev.contoso.com. You need to ensure that all domain controllers can resolve names for dev.contoso.com. What should you do（） Create a NS record in the contoso.com zone.。 Create a delegation in the contoso.com zone.。 Create a standard secondary zone on a Global Catalog server.。 Modify the properties of the SOA record in the contoso.com zone.。
You have a DHCP server that runs Windows Server 2008. You need to reduce the size of the DHCP database. What should you do？（） From the DHCP snap-in， reconcile the database。 From the folder that contains the DHCP database， run jetpack.exe dhcp.db temp.mdb。 From the properties of the dhcp.mdb file， enabled the File is ready for archiving attribute.。 From the properties of the dhcp.mdb file， enable the Compress contents to save diskspace attribute。
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关于网页中头部标签，说法错误的是（）
