某债券的面值1000元，10年后一次性还本付息。一投资者购进时价格为968元，持有两年半后将其卖出，售价l186元，试计算其持有期收益率为（）
A. 8.5%
B. 7.4%
C. 6.8%
D. 9%
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Refer to the exhibit. On the basis of the output generated by the show commands， which twostatements are true？（）
All interfaces on the switch have been configured as access ports
Because it has not been assigned to any VLAN， interface gigabitethernet 0/1 does not appearin the show vlan output
C. Because it is configured as a trunk interface， interface gigabitethernet 0/1 does not appear inthe show vlan output
D. There are no native VLANs configured on the trunk
E. VLAN 1 will not be encapsulated with an 802.1q header
F. VLAN 2 will not be encapsulated with an 802.1q header
Certkiller。COM称为Certkiller.COM Active Directory域。如图表所示，两个名为Certkiller一个Certkiller B. DNS服务器的DNS服务器配置。 域用户无法连接到互联网网站，使用Certkiller乙，因为它是作为首选DNS服务器配置。你必须让所有客户端计算机的Internet名称解析。来实现这个任务，你应该怎么做呢（）
A. 删除从Certkiller b.（根）区域配置上Certkiller b的条件转发
B. 更新Cache.dns文件上Certkillerb. Certkillerb配置条件转发
C. 创建一个Certkiller答复制（根）区
D. 根提示服务器上Certkiller b.的更新列表
You plan to deploy a distributed database application that runs on multiple Windows Server 2008 R2 servers. You need to design a storage strategy that meets the following requirements： èAllocates storage to servers as required èUses the existing network infrastructure èUses standard Windows management tools èEnsures that data is available if a single disk fails What should you include in your design？（）
An iSCSI disk storage subsystem that supports Microsoft Multipath I/
B. Configure the storage subsystem as a RAID？0 array.
C. An iSCSI disk storage subsystem that supports Virtual Disk Service （VDS）. Configure the storageubsystem as a RAID？5 array.
D. A Fibre Channel （FC） disk storage subsystem that supports Microsoft Multipath I/
E. Configure the storage subsystem as a RAID？0 array.
F. A Fibre Channel（FC）disk storage subsystem that supports the Virtual Disk Service（VDS）.Configure the storage subsystem as a RAID？5 array.
You plan to deploy a distributed database application that runs on Windows Server 2008 R2. You need to design a storage strategy that meets the following requirements： èAllocates storage to servers as required èIsolates storage traffic from the existing network èEnsures that data is available if a single disk fails èEnsures that data is available if a single storage controller fails What should you include in your design？（）
An iSCSI disk storage subsystem that uses Microsoft Multipath I/
B. Configure a RAID？0 array.
C. An iSCSI disk storage subsystem that uses Virtual Disk Service （VDS）. Configure a RAID？5 array.
D. A Fibre Channel （FC） disk storage subsystem that uses Microsoft Multipath I/
E. Configure a RAID？5 array.
F. A Fibre Channel（FC）disk storage subsystem that uses Virtual Disk Service（VDS）.Configure a RAID？0 array.
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