setting redundant components in subsystem to handle with the risks brought by the defaults of original components,what kind of risk response strategy is this？（）

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• Which statement best describes Cisco supervisor engine redundancy using Stateful Switchover？（）

  A . Switchover ensures that Layer 2 through Layer 4 traffic is not interrupted B . Redundancy requires BGP， OSPF， EIGRP， or IS-IS C . Redundancy provides fast supervisor switchover for all Cisco Catalyst 6500 series switches D . Switchover can be caused by clock synchronization failure between supervisor

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• You issue the following RMAN command to set a retention policy on a database：       RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of the above command？（）

  A .  After two days， the backup will be marked obsolete. B .  After two days， the backup will be deleted from the media. C .  If the RMAN repository has records of two or more recent backups of a file， then the older backup will be deleted from the media. D .  If the RMAN repository has records of two or more recent backups of a file， then the older backup will be marked obsolete.

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• You are operating a multi-vendor network and are considering adding redundancy at the access level. Which routing redundancy solution should you implement?（）

  A . Both Gateway Load Balancing Protocoland Hot Stand by Router Protocol B . Gateway Load Balancing Protocol C . Virtual Router Redundancy Protocol D . Hot Stand by Router Protocol

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• You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy: CONFIGURE RETENTION POLICY TO REDUNDANCY 3; Which statement is true?（）

  A . The command fails because you cannot configure a redundancy-based retention policy when backup optimization is enabled B . Backup optimization is performed, but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up C . Backup optimization is permanently disabled D . Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

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• HLR Redundancy解决方案中，备份HLR的SSN是（）。B表分析的输出信息D值的作用是：1）（）；2）（）；

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• Which two characteristics apply to Cisco Catalyst 6500 Series Switch supervisor redundancy  using NSF？（）

  A .  independent of SSO B .  NSF combined with SSO enables supervisor engine load balancing C .  supported by RIPv2， OSPF， IS-IS， and EIGRP D .  supports IPv4 and IPv6 multicast E .  prevents route flapping F .  dependent on FIB table

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• You need to design router redundancy on the Company network.  Which three protocols could be  chosen for IP routing redundancy to protect against first-hop router failure？（）

  A .  GLBP B .  ICMP C .  MSTP D .  HSRP E .  VRRP F .  NHRP

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• 遗传丰余（genetic redundancy）

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• You have enabled backup optimization in RMAN. You issue the following RMAN command to configure a redundancy-based retention policy：   CONFIGURE RETENTION POLICY TO REDUNDANCY 3；   Which statement is true？（）  

  A .  The command fails because you cannot configure a redundancy-based retention policy when backup  optimization is enabled B .  Backup optimization is performed， but RMAN considers the redundancy-based retention policy when it determines which datafiles should be backed up C .  Backup optimization is permanently disabled D .  Backup optimization is temporarily disabled because a redundancy-based retention policy is specified

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• Which router redundancy protocol cannot be configured for interface tracking？（）

  A . HSRP B . GLBP C . VRRP D . SLB E . RPR F . RPR+

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• What will happen if you issue the redundancy force-switchover command on a Catalyst 6500Series Switch with redundant supervisor modules?（）

  A . reset of the primary supervisor B . manual switchover from standby to active supervisor C . manual switchover from active to standby supervisor D . automatic switchover from active to standby on primary supervisor failure

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• When is a first-hop redundancy protocol needed in the distribution layer？（）

  A .  when the design implements Layer 2 between the access arid distribution blocks B .  when multiple vendor devices need to be supported C .  when preempt tuning of the default gateway is needed D .  when a robust method of backing up the default gateway is needed E .  when the design implements Layer 2 between the access switch and the distribution blocks F .  when the design implements Layer 2 between the access and distribution block

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• You issue the following RMAN command to set a retention policy on a database：   RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2；   What will be the outcome of issuing this command？（）  

  A .  After two days，a backup will be marked obsolete B .  After two days，a backup will be deleted from the media C .  If the RMAN repository has records of two or more recent backups of a file，then older backups will be deleted from the media. D .  If the RMAN repository has records of two or more recent backups of a file then older backups will be marked obsolete.

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• When is a first-hop redundancy protocol needed in the distribution layer?（）

  A . when HSRP is not supported by the design B . when multiple vendor devices need to be supported C . when preempt tuning of the default gateway is needed D . when a robust method of backing up the default gateway is needed E . when the design implements Layer 2 between the access switch and the distribution switch F . when the design implements Layer 3 between the access switch and the distribution switch

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• 多重性[多重度，冗余度] redundancy

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• 以下哪条指令用来启用HLR Redundancy功能？（）

  A . HGNSI B . HGRFI C . HGRNC D . HGPAI

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• Which one of the statements below correctly describes the Virtual Router Redundancy Protocol  （VRRP），  which is being used in the Company network to provide redundancy？（）

  A .  A VRRP group has one active and one or more standby virtual routers. B .  A VRRP group has one master and one or more backup virtual routers. C .  A VRRP group has one master and one redundant virtual router. D .  None of the other alternatives apply

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• Which of the following commands may indicate hardware redundancy protection of a PV（）

  A . lsattr B . lspv C . lsvg D . lsresource

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• Which of the following is a situation where dual （redundant） HMCs are recommended（）？ 

  A . When managing more than four VIO servers. B . When installed with Power 570 and larger hardware. C . When hosting both Linux and AIX on the same physical hardware. D . When unexpected outage on a single HMC would prove an untenable risk for the hosted LPARs.

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• You issue the following RMAN command to set a retention policy on a database: RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2; What will be the outcome of issuing this command? （）

  A . After two days, a backup will be marked obsolete B . After two days, a backup will be deleted from the media C . If the RMAN repository has records of two or more recent backups of a file, then older backups will be deleted from the media. D . If the RMAN repository has records of two or more recent backups of a file, then older backups will be marked obsolete.

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• This sentence is redundant. In my opinion, I think it is going to rain.

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• VRRP （Virtual Router Redundancy Protocol) 虚拟路由冗余协议 名词解释

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• Refer to the exhibit. Which Virtual Router Redundancy Protocol （）

  A．RouterAisthemastervirtualrouter，andRouterBisthebackupvirtualrouter．WhenRouterAfails，RouterBwillbecomethemastervirtualrouter．WhenRouterArecovers，RouterBwillmaintaintheroleofmastervirtualrouter． B．RouterAisthemastervirtualrouter，andRouterBisthebackupvirtualrouter．WhenRouterAfails，RouterBwillbecomethemastervirtualrouter．WhenRouterArecovers，itwillregainthemastervirtualrouterrol E． C．RouterBisthemastervirtualrouter，andRouterAisthebackupvirtualrouter．WhenRouterBfails，RouterAwillbecomethemastervirtualrouter．WhenRouterBrecovers，RouterAwillmaintaintheroleofmastervirtualrouter． D．RouterBisthemastervirtualrouter，andRouterAisthebackupvirtualrouter．WhenRouterBfails，RouterAwillbecomethemastervirtualrouter．WhenRouterBrecovers，itwillregainthemastervirtualrouterrol E．

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• You are the network administrator for your company. All network servers run Windows Server 2003.One of your servers contains a RAID-5 volume. Routine monitoring reveals a failed disk in the set. Theserver is running and users are connecting to shared folders on the RAID-5 volume.You shut down the server and replace the failed disk.Now you need to ensure that the RAID-5 volume is redundant.What should you do？ （）

  A. Initialize the new disk. Select the failed region and then select the Repair Volume option. B. Import the foreign disk. Select the failed region and then select the Repair Volume option. C. Initialize the new disk. Select the failed region and then select the Reactivate Disk option. D. Import the foreign disk. Select the failed region and then select the Reactivate Disk option.

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