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You are developing a data contract for a Windows Communication Foundation (WCF) service. The data in the data contract must participate in round trips. Strict schema validity is not required. You need to ensure that the contract is forward-compatible and allows new data members to be added to it. Which interface should you implement in the data contract class?（）
- A、ICommunicationObject
- B、IExtension
- C、IExtensibleObject
- D、IExtensibleDataObject
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更多 “You are developing a data contract for a Windows Communication Foundation (WCF) service. The data in the data contract must participate in round trips. Strict schema validity is not required. You need to ensure that the contract is forward-compatible and allows new data members to be added to it. Which interface should you implement in the data contract class?（）A、ICommunicationObjectB、IExtensionC、IExtensibleObjectD、IExtensibleDataObject” 相关考题
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单选题You are developing a data contract for a Windows Communication Foundation (WCF) service. The data in the data contract must participate in round trips. Strict schema validity is not required. You need to ensure that the contract is forward-compatible and allows new data members to be added to it. Which interface should you implement in the data contract class?（）A
ICommunicationObjectB
IExtensionC
IExtensibleObjectD
IExtensibleDataObject
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AB
BC
CD
D
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The System.Collections.Generic.SortedList class should be used B
The System.Collections.HashTable class should be usedC
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The System.Collections.SortedList class should be used
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Provide the team with a WebLogic domain template with the testing data sources configured.B
Provide the development team with a preconfigured domain archive file.C
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OnLoadB
ConstructC
OnDataBindingD
SaveControlState
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单选题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. You are going to use the data collector to gather performance data periodically on all instances. You must store all collected data in the same database. This database is hosted on a single instance. Every five hours, you have to collect and load performance data in the management data warehouse. Which data collection process should you implement? （）A
You should create a cached data collection B
You should create an on-demand non-cached data collection C
You should create a scheduled non-cached data collection. D
You should create two different SQL Agent jobs. The two jobs are scheduled at the same time. One job uploads the data collection and the other job creates a data collection.
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单选题You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）A
use the external table populationB
use the Oracle Data Pump export and import utilityC
use the conventional path data load of SQL*Loader utilityD
use the direct path data load of Oracle export and import utility
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单选题You are developing an application that runs by using the credentials of the end user. Only users who are members of the Administrator group get permission to run the application. You write the following security code to protect sensitive data within the application.bool isAdmin=false； WindowsBuiltInRole role=WindowsBuiltInRole.Administrator； ...... if（!isAdmin） throw new Exception（"User not permitted"）； You need to add a code segment to this security code to ensure that the application throws an exception if a user is not a member of the Administrator group. Which code segment should you use？（）A
AB
BC
CD
D
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单选题You work in a company which 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 management data warehouse that uses the data collector to collect performance data. You intend to maintain the management data. You want to implement a data collection process. The process can gather and upload data in the management data warehouse on different schedules. What process should you implement？（）A
You should create a cached data collectionB
You should create an on-demand non-cached data collection C
You should create a scheduled non-cached data collection D
You should create two different SQL Agent jobs that are scheduled stimultaneously
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单选题You want to put a specific tablespace called MY_DATA in hot backup mode so you can back it up. What command would you use？（）A
alter tablespace MY_DATA begin backupB
alter tablespace MY_DATA start backupC
alter tablespace MY_DATA backup beginD
alter MY_DATA begin backupE
You cannot back up individual tablespaces
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单选题You are developing the Payroll application that contains the SALARY and COMMISSION forms. When a user invoked the COMMISSION form from the SALARY form, the SAL value should be passed to the COMMISSION form. In which data form and at what time should you define the parameter to accept the value?（）A
SALARY form at runtime. B
SALARY form at design time. C
COMMISSION form at runtime. D
COMMISSION form at design time.
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