[单选]
You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a custom control named OrderForm.
You write the following code segment.
Public Delegate Sub _
CheckOrderFormEventHandler(ByVal e As EventArgs)
Private Shared ReadOnly CheckOrderFormKey As New Object()
public event CheckOrderFormEventHandler
Public Custom Event CheckOrderForm As CheckOrderFormEventHandler
AddHandler(ByVal value As CheckOrderFormEventHandler)
Events.[AddHandler](CheckOrderFormKey, value)
End AddHandler

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- 21 - Test Information Co., Ltd. All rights reserved. RemoveHandler(ByVal value As CheckOrderFormEventHandler)
Events.[RemoveHandler](CheckOrderFormKey, value)
End RemoveHandler
RaiseEvent(ByVal e As EventArgs)
End RaiseEvent
End Event
You need to provide a method that enables the OrderForm control to raise the CheckOrderForm event.
Which code segment should you use?（）

A .
B .
C .
D .

Your network contains an enterprise root certification authority （CA）. You need to ensure that a certificate issued by the CA is valid. What should you do（） Run syskey.exe and use the Update option.。 Run sigverif.exe and use the Advanced option.。 Run certutil.exe and specify the -verify parameter.。 Run certreq.exe and specify the -retrieve parameter.。目前的加密技术主要划分为两大类，一是单密钥体制即“对称密钥”，二是（）双密钥体制即“公开密钥”。双密钥体制即“数字信封”。双密钥体制即“非对称密钥”。双层加密体制即“非对称密钥&rdquo。对于价值低的商品，往往采用（）计算其重量。理论重量。净重。法定重量。以毛作净。组织为了达成其目标，对运作系统与运作过程进行计划、组织与控制等一系列管理工作的总称是（）采购管理。销售管理。计划管理。运作管理。对于经过加工包装进行销售的种子和可以不经过加工包装进行销售的种子来说，种子标签的制作形式是不同的，请简要说明种子标签的制作形式。

You create a Microsoft ASP.NET application by using the Microsoft .NET Framework version 3.5.
You create a custom control named OrderForm.
You write the following code segment.
Public Delegate Sub _
CheckOrderFormEventHandler(ByVal e As EventArgs)
Private Shared ReadOnly CheckOrderFormKey As New Object()
public event CheckOrderFormEventHandler
Public Custom Event CheckOrderForm As CheckOrderFormEventHandler
AddHandler(ByVal value As CheckOrderFormEventHandler)
Events.[AddHandler](CheckOrderFormKey, value)
End AddHandler

English
Chinese
Japan
Korean
- 21 - Test Information Co., Ltd. All rights reserved. RemoveHandler(ByVal value As CheckOrderFormEventHandler)
Events.[RemoveHandler](CheckOrderFormKey, value)
End RemoveHandler
RaiseEvent(ByVal e As EventArgs)
End RaiseEvent
End Event
You need to provide a method that enables the OrderForm control to raise the CheckOrderForm event.
Which code segment should you use?（）

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