失效时间failure event

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  A . 早期失效 B . 晚期时效 C . 偶然失效 D . 不确定

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• MSTP设备运行的平均无故障时间（MTBF-Mean Time Between Failure）应不小于（）。

  A . 50000小时 B . 60000小时 C . 80000小时 D . 100000小时

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• 一些降低失效率的方法会增加命中时间或失效开销。

  A . 正确 B . 错误

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• 日间备用医嘱的失效时间是()

  A . A．当日7pm B . B．次日7pm C . C．7Am D . D．7pm E . E．12Am

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• 由于计算机系统导致调度自动化系统主要功能失效，单机系统失效时间（）者，应定为障碍。

  A . A、超过12h； B . B、超过24h； C . C、超过48h； D . D、超过72h。

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• （） is provided to alternators, in the event of prime mover failure to ensure that the alternator does not act as a motor.

  A . Reverse current protection B . Reverse power protection C . Synchronising device D . Frequency meter

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• 电子元器件的失效率=失效数/（运用总数╳运用时间）。（）

  A . 正确 B . 错误

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• 法的失效时间

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• 高频开关整流设备在（）使用时间内，平均失效间隔时间（MTBF）应≥50000h。

  A . A、5年 B . B、10年 C . C、15年

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• 沃家庭套餐价格计划生效时间为（）生效、（）失效。

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• 由于计算机系统导致调度自动化系统主要功能失效，单机系统失效时间（）者，应定为异常。

  A . A、超过8h； B . B、超过12h； C . C、超过24h； D . D、超过48h。

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• A HACMP/XD：HAGeo cluster has been installed with four nodes， two nodes at each site. The cluster is protected from site isolation by the DBFS facility in HACMP/XD：HAGeo.  In the event of a site failure，what happens？（）  

  A .  The dominate site will always assume the non-dominate site has failed and continue processing. B .  The dominate site initiates a call to the non-dominate site to verify if any of the nodes are functional. C .  The non-dominate site initiates a call to the dominate site to verify if any of the nodes are functional. D .  The nodes are completely independent and can call each other if they detect a total failure of the ZGeo_Primary network.

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• 当所有正常AC电源都失效后，若飞机电瓶电源也失效，那综合备用飞行显示还能工作多少时间（）

  A . 不能工作 B . 10分钟 C . 30分钟 D . 150分钟

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• 按照时间顺序，战略失效可以分为()

  A . A、早期失效 B . B、晚期失效 C . C、偶然失效 D . D、中期失效

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• In the event of a flame failure in an auxiliary water-tube boiler, you must（）

  A . relight the boiler immediately to prevent loss of steam pressure B . relight the fire off the brickwork as the bricks are cherry red C . purge the furnace of any combustible gases before attempting to relight the fire D . speed up the feed pump to prevent dry firing when the burner flame is reestablished

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• Acrobat6.0中数字签名作者可以根据需要设置口令失效时间，下列哪个选项不能作为口令失效时间？（）

  A . A、5分钟 B . B、30分钟 C . C、4小时 D . D、6小时 E . E、10小时

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• While executing a Cluster Test Plan， the administrators realize that they will need to email the  Operations and network on-call staff in the event of a network outage.  What can be done to alert the on-call staff of network failures？（）   

  A .  Customize clstat to send a mail message. B .  Customize an Event Notification method. C .  Customize an Error Notification method. D .  Customize clinfo to send an SNMP trap.

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• There are some back-up satellites in the event of failure. If the operational satellite is out of work,（）.

  A . communications in the whole system will stop B . the global system will be damaged C . the back-up one will take its place D . the whole system will not work

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• In the event of a GSS failure in a GSS cluster， which is true？（）

  A .  The current connections are rerouted via the backup GSS B .  Secondary GSS cannot be used to configure the GSS cluster C .  All remaining GSSs in the cluster continue responding to any new queries D .  All records in the GSS database are flushed and reconstructed again using a new master GSS

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• Uncertainty happens because of being afraid of failure in communication events, while anxiety happens because we are unable to predict others’ ideas and behaviors.

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• You are the network administrator for The network consists of a single ActiveDirectory domain named All domain controllers run Windows Server 2003, and each one has a locally attached tape device.You need to back up each domain controller. Your backup process must fulfil the following requirements:System recovery must be possible in the event of server failure.The system configuration and all current dynamic disk configurations must be backed up.Other data partitions do not need to be backed up.What should you do？（）

  A. Use the Backup utility to back up the system files and to create an Automated System Recovery (ASR) disk. B. Use the Backup utility to back up the contents of all mounted drives. C. Use the Backup utility to back up only the System State data. D. Use the Copy command to copy C:\windows and its subfolders to a shared folder on the network. E. Use the Xcopy command to copy C:\windows and its subfolders to a shared folder on the network.

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• 听力原文：Other aspects of operational risk include major failure of information technology systems or events such as major fires or other disasters.

  (6) A．Information technology system can cause operational risk. B．A major fire can be a cause of operational risk. C．The most important types of operational risk involve breakdowns in internal controls and corporate governance. D．Other aspects of operational risk include firing its dealers, lending officers or other staff exceeding their authority or conducting business in an unethical or risky manner.

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• 信息安全事件(event)指识别出的发生的系统、服务或网络事件表明可能违反信息安全策略或防护措施失效。()

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• You are the network administrator for The network consists of asingle Active Directory domain named All domain controllers runWindows Server 2003, and all client computers run Windows XP Professional. Eachdomain server has a locally attached tape device.You need to back up each domain controller. Your backup process must fulfil thefollowing requirements:a. System recovery must be possible in the event of server failure.b. The system configuration and all current dynamic disk configurations must bebacked up.c. Other data partitions do not need to be backed up.What should you do？（）

  A. Use the Backup utility to back up the system files and to create an Automated System Recovery (ASR) disk. B. Use the Backup utility to back up the contents of all mounted drives. C. Use the Backup utility to back up only the System State data. D. Use the Copy command to copy C:\windows and its subfolders to a shared folder on the network. E. Use the Xcopy command to copy C:\windows and its subfolders to a shared folder on the network.

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