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【单选题】

In order to ensure there is proper airflow in a new computer, which of the following should be performed?（）

A、Install a passive hard drive cooler.

B、Unplug the redundant power cables from the motherboard.

C、Install rounded IDE cables.

D、Drill holes in the PC's case to create more airflow

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第1题
[填空题] In order to acquire a second language， learners will subconsciously use their first language knowledge in learning a second language. This is know as language t（）.

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第2题
[单选题] In（）to your inquiries, we regret to inform you that we can’t help you in this matter.

A、order  B、response  C、answer  D、reaction  

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第3题
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第4题
[] You are creating a Windows Communication Foundation (WCF) service to process orders.The data contract for the order is defined as follows:[DataContract]public class Order{ [DataMember] public string CardHolderName { get; set; } [DataMember] public string CreditCardNumber { get; set; }}You have the following requirements: Enable the transmission of the contents of Order from the clients to the service. Ensure that the contents of CreditCardNumber are not sent across the network in clear text. Ensure that the contents of CreditCardNumber are accessible by the service to process the order.You need to implement the service to meet these requirements. What should you do?（）

A、A. Add a DataProtectionPermission attribute to the CreditCardNumber property and set the ProtectData property to true.  B、B. Convert the DataContract to a MessageContract and set the ProtectionLevel property to SignAndEncrypt.  C、C. Change the data type of CreditCardNumber from string to SecureString.  D、D. Implement the CreditCardNumber property getter and setter In the setter, run the value of the CreditCardNumber through the MD5CryptoServiceProvider class TransformBlock method.  

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第5题
[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、ICommunicationObject  B、IExtension<t>  C、IExtensibleObject<t>  D、IExtensibleDataObjectt>t>  

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第6题
[单选题] In order to log（）the system you have to type in your password.

A、in  B、on  C、in to  D、off to  

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第7题
[单选题] You develop a Windows Communication Foundation (WCF) service that interacts with Microsoft Message Queuing (MSMQ). The service requires sessions. You need to create a custom binding that enables messages sent to the queue to be viewed when you are using a listener tool. Which binding elements should you use?（）

A、textMessageEncoding and msmqTransport in this order.  B、textMessageEncoding and msmqIntegrationTransport in this order.  C、msmqTransport and textMessageEncoding in this order.  D、msmqIntegrationTransport and textMessageEncoding in this order.  

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第8题
[单选题] Your company has an existing Windows Communication Foundation (WCF) service that allows business partners to place orders. The service uses netMsmqBinding. You find that processing every order in its own transaction is causing a delay. You need to ensure that the service is configured to process multiple orders in one transaction. What should you do? （）

A、Use throttling> service behavior and set the maxConcurrentCalls attribute.  B、Use <transactedbatching> endpoint behavior and set the maxBatchSize attribute.  C、Use tchersynchronizationbehavior> endpoint behavior and set the maxPendingReceives attribute.  D、Use endpoint behavior. tchersynchronizationbehavior>transactedbatching>throttling>  

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第9题
[判断题] In order to keep students interested in learning English it is important to include a variety of activities and techniques in the lesson.（）

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