After operation, you should （）the motor...

第1题

[单选题] Before a Flashback Table operation, you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?（）

A、Because row IDs may change during the flashback operation B、Because the object number changes after the flashback operation C、Because the rows are retrieved from the recycle bin during the flashback operation D、Because the table is moved forward and back to a temporary during the flashback operation

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第2题

[单选题] 操作完后，关掉电动机。（）

A、After operation, start the electric motor. B、Before operation, stop the electric motor. C、Before operation, start the electric motor. D、After operation, stop the electric motor.

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第3题

[] After logging into the RtrB router, you issue the "show interface" command as displayed below: After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（） After logging into the RtrB router, you issue the "show interface" command as displayed below: After considering the effects of the command output illustrated in the exhibit above,which of the following protocols are operational on the serial link?（）

A、A. PPP B、B. IP C、C. Compression D、D. IPX E、E. Multilink F、F. ATX

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第4题

[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. A new SQL Agent job has been created by you. The job includes a Windows PowerShell job step which transfer data between servers by using the SQLCmd utility. If the job fails, you must make sure that an operator named ReactGroup is informed by receiving an e-mail. So what action should you perform to achieve this goal? （）

A、First you should enable Notifications. Direct the Notification to the ReactGroup operator on job failure after you create the ReactGroup operator. B、First you should enable Notifications. Direct the Notification to the ReactGroup operator on failure of the Powershell job step after you create the ReactGroup operator. C、First you should assign the ReactGroup operator as the failCsafe operator. Then enable the job after you create the ReactGroup operator. D、First you should configure the job step proxy account to use the ReactGroup operator account after you create the ReactGroup operator. At last choose the proxy account for the e-mail profile.

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第5题

[单选题] Before a Flashback Table operation, you execute the following command: ALTER TABLE employees ENABLE ROW MOVEMENT; Why would you need this to be executed?（）

A、Because row IDs may change during the flashback operation B、Because the object number changes after the flashback operation C、Because the rows are retrieved from the recycle bin during the flashback operation D、Because the table is moved forward and back to a temporary during the flashback opertion

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第6题

[单选题] You work as the IT professional in an international company which is named wikigo. You are experienced in implementing and administering a network operating system. You are specialized in configuring IP addressing and services, configuring name resolution and network access and so on. Your company has a server named printer a that runs windows server 2008. Printer a has the print services server role installed. You have to reduce the so what action should you perform?（）

A、After you open the print management console, you should open the properties of each individual printer on printer A and clear the enable advanced printing features option. B、After you open the event viewer console, a custom view for the system log should be created. Exclude the events that are notified by event ID 10 from the filter. C、After you open the print management console, you should open the properties of printer A and clear the log spooler information events option. D、After you open the print management console, you should open the properties of printer A and clear the show informational notifications for network printers option.

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第7题

[单选题] The external flotation bladder on an immersion suit should be inflated（）.

A、before you enter the water B、after you enter the water C、after one hour in the water D、after you notice that your suit is losing buoyancy

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第8题

[] You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.var service = new WarehouseService(); var host = new ServiceHost(service);You need to ensure that new operations do not wait for previous operations to finish. Which attribute should you use to decorate the service?（） You are developing a Windows Communication Foundation (WCF) service that does not operate on a duplex channel.You find that operations do not start until all previous operations have finished. The service hosting code contains the following lines.var service = new WarehouseService(); var host = new ServiceHost(service);You need to ensure that new operations do not wait for previous operations to finish. Which attribute should you use to decorate the service?（）

A、A. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Multiple)] B、B. [CallbackBehavior(ConcurrencyMode=ConcurrencyMode.Multiple)] C、C. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Single)] D、D. [ServiceBehavior(InstanceContextMode=InstanceContextMode.Single, ConcurrencyMode=ConcurrencyMode.Reentrant)]

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第9题

[单选题] You board an inflatable liferaft that has been hand launched from a sinking vessel. What should you do first after everyone is onboard the liferaft?（）.

A、Cut the painter B、Operate the radio equipment C、Open the equipment pack D、Ventilate the liferaft of CO₂

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After operation, you should （）the motor.

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