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【单选题】

By using previous communication system, rescue is often a matter of chance. What does “a matter of chance” mean?（）

A、occasionally

B、accidentally

C、often

D、usually

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更多“By using previous communication system, rescue is often a matter of chance. What does “a matter of chance” mean?（）”相关的问题
第1题
[单选题] After extinguishing a fire with CO2，it is advisable to（）.

A、use all CO2 available to cool the surrounding area  B、stand by with water or other agents  C、thoroughly ventilate the space of CO2  D、jettison all burning materials  

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第2题
[单选题] You are the administrator of a Windows Server 2003 computer named Server1. You log on to Server1 and attempt to access the network. You discover that the server is not communicating on the network. You discover that a service pack and an updated network adapter driver were installed on Server1 the previous night. A complete backup, including the System State data, was performed before the service pack and the driver were installed. You need to restore network communications. What should you do first? （）

A、Use Roll Back Driver to reinstall the previous driver for the network adapter.  B、Use the Backup or Restore Wizard to restore the backup from the previous night.  C、Restart Server1 by using the Last Known Good Configuration option.  D、Use the Registry Editor to delete the registry settings for the network adapter driver.  

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第3题
[单选题] You are the network administrator for . You are the administrator of a Windows Server 2003 computer named TestKing8. You log on to TestKing8 and attempt to access the network. You discover that the server is not communicationg on the network. You discover that a service pack and an updated network adapter driver were installed on TestKing8 the previous night. A complete backup, including the System State data, was performed before the service pack and the driver were installed. You need to restore network communications. What should you do first?（）

A、Use Roll Back Driver to reinstall the previous driver for the network adapter.  B、Use the Backp or Restore Wizard to restore the backup from the previous night.  C、Restart TestKing8 by using Last Known Good Configuration option.  D、Use the Registry Editor to delete the registry settings for the network adapter driver.  

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第4题
[单选题] Your company decided to start using RMAN in its backup strategy. Previously your company used operating system file copies. Which command is used to make RMAN aware of existing backups made by copying files at the operating system？（）

A、CHANGE  B、RESYNC  C、CATALOG  D、CROSSCHECK  

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第5题
[单选题] A fire in electrical equipment should be extinguished by using（）.

A、salt water  B、foam  C、low-velocity fog  D、CO2  

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第6题
[单选题] SEARCHABLE NOTICES TO MARINERS can be searched by all the following options except（）.

A、Chart Number only  B、Chart Number + Previous NM Number/Year  C、Chart Number + Between Previous and Present Dates  D、Cumulative Number  

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第7题
[单选题] You want to schedule a job to rebuild all indexes on the SALES table after the completion of a bulk load operation. The bulk load operation must also be a scheduled job that executes as soon as the first file that contains data arrives on the system. How would you create these jobs?（）

A、Create both jobs by using events raised by the scheduler  B、Create both jobs by using events raised by the application  C、Create a job to rebuild indexes by using events arised by the application and then create another job to perform bulk load by using events raised by the scheduler  D、Create a job to rebuild indexes by using events arised by the Scheduller and then create another job to perform bulk load by using events raised by the application  

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第8题
[单选题] You want to schedule a job to rebuild all indexes on the SALES table after the completion of a bulk load operation. The bulk load operation must also be a scheduled job that executes as soon as the first file that contains data arrives on the system. How would you create these jobs?（）

A、Create both jobs by using events raised by the scheduler  B、Create both jobs by using events raised by the application  C、Create a job to rebuild indexes by using events arised by the application and then create another job to perform bulk load by using events raised by the scheduler  D、Create a job to rebuild indexes by using events arised by the Scheduler and then create another job to perform bulk load by using events raised by the application  

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第9题
[单选题] Recharging a previously used cartridge-operated dry-chemical extinguisher is accomplished by（）.

A、authorized fire equipment servicing personnel only  B、replacing the propellent cartridge and refilling with powder  C、puncturing the cartridge seal after installation  D、recharging the cartridge and refilling it with powder  

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