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若MAC地址过滤规则如图1-4所示，MAC地址为“00-OA-EB-00-07-5F”的主机能访问该AP吗？请说明原因。

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某公司向外国某商行进口一批钢材，货物分两批装运，支付方式为不可撤销即期信用证，每批分别由中国银行开立一份信用证。第一批货物装运后，卖方在有效期内向银行交单议付，议付行审单后，即向该商行议付货款，随后，中国银行对议付行作了偿付。我方在收到第一批货物后，发现货物品质与合同规定不符，因而要求开证行对第二份信用证项下的单据拒绝付款，但遭开证行拒绝。你认为开证行这样做是否合理？为什么？

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针对本案例，请简要说明项目进入实施阶段时，项目经理小赵应该完成的项目文档工作。

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You are the network administrator for Ezonexam.
Ezonexam14 is one of 10 Windows NT Server 4.0 member servers in a Windows 2000 domain named marketing.Ezonexam.local. The marketing domain also has five Windows NT 4.0 backup domain controllers. The marketing.Ezonexam.local domain is the child domain of Ezonexam's root domain, Ezonexam.local.
You want to upgrade Ezonexam14 to Windows 2000 Server and change the role of Ezonexam14 from a member server to a domain controller in the same domain. You also want to be able to implement Universal Groups in the marketing domain.
What should you do？ (Each correct answer presents part of the solution. Choose three)

A. Upgrade all of the Windows NT Server 4.0 member servers in the marketing domain to Windows 2000 Server.
B. Upgrade all of the Windows Server 4.0 backup domain controllers in the marketing domain to Windows 2000 Server.
C. Upgrade Ezonexam14 to Windows 2000 Server. Run the dcpromo command to make Ezonexam14 a domain controller in the marketing.Ezonexam.local domain.
D. Upgrade Ezonexam14 to Windows 2000 Server. Run the dcpromo command to make Ezonexam14 to a domain controller in the Ezonexam.local domain.
E. Use the Active Directory Domains and Trusts tool to change the Ezonexam.local domain mode to native mode.
F. Use the Active Directory Domains and Trusts to change the marketing.Ezonexam.local domain mode to native mode.

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请刮开充值卡的涂层，显露出的18位数字就是您的充值卡密码。

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