A(n)（） is the documentary attestation for the delivery of stores and spare parts...

第1题

[] A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（） A technician is working on a SOHO wireless network and notices that the wireless adaptor in the laptop shows excellent connection at 11Mbps. The technician has a wireless N adaptor. Which of the following would BEST describe this connection speed?（）

A、A. The laptop is too far away from the WAP.  B、B. The WAP is using 802.11a frequencies.  C、C. The laptop is only set to allow 802.11n connections.  D、D. The technician is on an 802.11b network.  

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第2题

[单选题] What is the default metric used on IS -IS routers for each interface?（）

A、The cost is set to 10 for all interfaces.  B、The cost is set to 10 for LAN interfaces and 20 for WAN interfaces.  C、The cost is based on the speed of the interface.  D、The cost is based o n a composite of bandwidth and delay of the interface.  

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第3题

[单选题] A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. The WLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why the WLAN card is performing at that speed?（）

A、The WLAN card is 802.11g.  B、The WLAN card is 802.11b.  C、The WLAN card is 802.11n.  D、The WLAN card is 802.11a.  

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第4题

[单选题] A technician is troubleshooting a WLAN card in a laptop. The wireless infrastructure is 802.11g. TheWLAN card is showing connected at 11Mbps. Which of the following would be the BEST reason why theWLAN card is performing at that speed? （）

A、The WLAN card is 802.11g.  B、The WLAN card is 802.11b.  C、The WLAN card is 802.11n.  D、The WLAN card is 802.11a.  

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第5题

[单选题] According to Annex Ⅴ of MARPOL 73/78, the dunnage, lining and packing materials which will float can be discharged when the ship is more than（）away from the nearest land.

A、3 n mile  B、5 n mile  C、12 n mile  D、25 n mile  

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第6题

[单选题] You use Microsoft Visual Studio 2010 and Microsoft . NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a WPF window in the application. You add the following code segment to the application. The DataContext property of the window is set to an instance of the ViewModel class. The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects. You add a TextBox control to the Window. You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object. You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A . Which binding expression should you use?（）

A、{ Binding Path=Data/Name, FallbackValue='N/A' }  B、{ Binding Path=Data.Name, FallbackValue='N/A' }  C、{ Binding Path=Data/Name, TargetNullValue='N/A' }  D、{ Binding Path=Data.Name, TargetNullValue='N/A' }  

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第7题

[单选题] Considering the general circulation of the atmosphere，the wind system between latitudes 30°N and 60°N is commonly called the（）.

A、prevailing westerlies  B、horse latitudes  C、trade winds  D、subpolar low pressure belts  

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第8题

[单选题] You use Microsoft Visual Studio 2010 and Microsoft . NET Framework 4 to create a Windows Presentation Foundation (WPF) application. You create a WPF window in the application. You add the following code segment to the application. public class ViewModel { public CollectionView Data { get; set; } } public class BusinessObject { public string Name { get; set; } } The DataContext property of the window is set to an instance of the ViewModel class. The Data property of the ViewModel instance is initialized with a collection of BusinessObject objects. You add a TextBox control to the Window. You need to bind the Text property of the TextBox control to the Name property of the current item of the CollectionView of the DataContext object. You also need to ensure that when a binding error occurs, the Text property of the TextBox control is set to N/A . Which binding expressi

A、{ Binding Path=Data/Name, FallbackValue='N/A' }  B、{ Binding Path=Data.Name, FallbackValue='N/A' }  C、{ Binding Path=Data/Name, TargetNullValue='N/A' }  D、{ Binding Path=Data.Name, TargetNullValue='N/A' }  

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第9题

[单选题] According to Annex Ⅳ of comminuted and disinfected sewage using an approved system can be discharged when the ship is more than away from the nearest land（）

A、3 n mile  B、5 n mile  C、12 n mile  D、25 n mile  

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第10题

[单选题] A liner in riveted construction of a vessel is a(n)（）.

A、small plate which fills the aperture between riveted strakes and the vessel framing  B、backing plate which is used to level the strakes while riveting，and then removed  C、internal frame to which the side shell is riveted  D、seam that is welded after riveting is completed  

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A(n)（） is the documentary attestation for the delivery of stores and spare parts.

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