Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）...

第1题

[单选题] You are creating a Windows Forms application by using the .Net Framework 3.5.You create an instance of a Backgroundworker component named backgroundWorker1 to process operations that take a long time.You discover that when the application attempts to report the progress，you receive a System.InvalidOperationException exception when executing the backgroundWorker1.ReportProgress method.You need to configure the BackgroundWorker component appropriately to prevent the application from generating exceptions.What should yo do？（）

A、Set the Result property of the DoWorkEventArgs instance to True before you attempt to report the progress. B、Set the CancellationPending property of backgroundWorker1 to True before you attempt to report the background process C、Set the WorkerReportsProgress property of backgroundWorker1 to True before you attempt to report the background process. D、Report the progress of the background process in the backgroundWorker1_ProgressChanged event.

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第2题

[单选题] When configuring more than one archival site, which statement is true?（）

A、The system will first attempt the transfer using the URL configured last B、The system will transfer the configuration to each archival site C、The system will not transfer to a secondary site unless the previous site fails D、The system will transfer using secure copy protocl (SCP) before attempting FTP

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第3题

[单选题] When configuring more than one archival site, which statement is true?（）

A、The system will first attempt the transfer using the URL configured last B、The system will transfer the configuration to each archival site C、The system will not transfer to a secondary site unless the previous site fails D、The system will transfer using secure copy protocol (SCP) before attempting FTP

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第4题

[单选题] There is a fire in the crew’s quarters of your vessel. You should（）.

A、ventilate the quarters as much as possible B、prepare to abandon ship C、close all ventilation to the quarters if possible D、attempt to put the fire out yourself before sounding the alarm

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第5题

[单选题] The merchant undertakes that no claim or allegation shall be made against any servant，agent or subcontractor of the carrier which（）to impose upon any of them or any liability whatsoever in connection with the goods.

A、supplies or attempts to supply B、imposes or attempts C、complies or attempts to comply D、provides or attempts to provide

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第6题

[单选题] A network technician arrives to work and discovers users are having a problem connecting the company server. The server operator was working on upgrades the night before. Which of the following documents should the technician use to attempt to discover the problem?（）

A、Network maps B、Change management C、Baselines D、Cable management

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第7题

[] The merchant undertakes that no claim or allegation shall be made against any servant，agent or subcontractor of the carrier which（）to impose upon any of them or any liability whatsoever in connection with the goods.

A、A.supplies or attempts to supply B、B.imposes or attempts C、C.complies or attempts to comply D、D.provides or attempts to provide

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第8题

[单选题] The authentication order configuration on your M120 includes the settings tacplus and radius (in that order), but does not include the password parameter. You attempt to log in to the device, but the network containing the authentication servers is currently down. Which statement is true about your login attempt?（）

A、The login attempt is rejected. B、The login attempt is automatically accepted after the authentication servers’ timeout value is reached, since there are no other authentication methods available. C、The M120 automatically tries authenticating locally on the device after the authentication servers’ timeout value is reached. D、The M120 automatically tries authenticating locally on the device before using external authentication.

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第9题

[] If a tow sinks in shallow water，you should（）.

A、A.release it immediately B、B.attempt to beach it before it goes under C、C.pay out cable until it's on the bottom and place a buoy on the upper end D、D.shorten cable to keep it off the bottom

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第10题

[] You are creating a Windows Forms application by using the .Net Framework 3.5.You create an instance of a Backgroundworker component named backgroundWorker1 to process operations that take a long time.You discover that when the application attempts to report the progress，you receive a System.InvalidOperationException exception when executing thebackgroundWorker1.ReportProgress method.You need to configure the BackgroundWorker component appropriately to prevent the application from generating exceptions. What should yo do？（） You are creating a Windows Forms application by using the .Net

A、A.Set the Result property of the DoWorkEventArgs instance to True before you attempt to report the progress. B、B.Set the CancellationPending property of backgroundWorker1 to True before you attempt to report the background process C、C.Set the WorkerReportsProgress property of backgroundWorker1 to True before you attempt to report the background process. D、D.Report the progress of the background process in the backgroundWorker1_ProgressChanged event.

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Before attempting to put out a class “C” fire involving an electric-driven centrifugal pump, you should FIRST （）.

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