What does Grade of Service (GoS) mean? （）A、Number of available subscriber servicesB、Number of unsuccessful call set-ups due to congestionC、Channel utilizationD、Number of successful call set-upsE、Number of dropped calls
What does Grade of Service (GoS) mean? （）
- A、Number of available subscriber services
- B、Number of unsuccessful call set-ups due to congestion
- C、Channel utilization
- D、Number of successful call set-ups
- E、Number of dropped calls
相关考题：
– ()– I think our marketing team is qualified and the after－sales service is fast and effective. A、What does your team do?B、What are the disadvantages?C、What about our strengths?
听力原文：M: Do you provide investment service?W: Yes. We are a commercial bank. We help customers with the purchase and sales of securities.Q: What does the man want to do?(13)A．He will provide investment service.B．He will help the customers.C．He will join the commercial bank.D．He will purchase or sell securities.
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I just wonder( )that makes him so excited. A.why it does B.what he does C.how it is D.what it is
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单选题You are creating an application using Visual Studio 2010. The application consumes a Windows Communication Foundation (WCF) service.You are adding a service reference to the WCF service. You need to ensure that the generated proxy does not block the calling thread when executing a service method. What should you do when adding the service reference? （）ASet the Collection type to ObservableCollection.BSelect the Reuse types in all referenced assemblies option.CSelect the Generate asynchronous operations option.DSelect the Always generate message contracts option.
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单选题What does most service requests coming to Cisco TAC concern？（）A equipment defectsB equipment failuresC complex network operation and management issuesD integrating mixed vendor equipment
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