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单选题
设置主接口由Up转Down后延迟30秒切换到备份接口，主接口由Down转Up后60秒钟切换回主接口的配置为（）
A
backup 3060
B
backup delay3060
C
backup delay6030
D
backup delay enable-delay 30 disable-delay 60
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命令Backup state-down3表示______。A．第三种备份down状态B．主备份接口切换只能进行3次C．当主接口down状态持续3秒后，切换到备份接口D．当主接口逻辑通道时，如果呼叫3次未成功，则认为主逻辑通道处于down状态
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下列关于备份中心的说法正确的是()。A.运用备份中心时，从备份接口切换回主接口的延迟时间是可以配置的B.运用备份中心时，从主接口切换到备份接口的延迟的时间是可以配置的C.运用备份中心时，一旦主接口上的线路发生故障，就会立即切换到备份接口D.运用备份中心时，当主接口上的线路恢复正常后，并不会立即切换回主接口，而是延迟一段时间才切换回主接口
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设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为()。A.backupstate-down8state-up60B.backupstate-down60;backupstate-up8C.backupstate-down8;backupstate-up60D.backupstate-down8;backupstate-uptime60
考题
下面哪种说法正确? ()A、当主接口由up 转为down 后,立即切换到备份接口。B、当主接口由down 转为up 后,立即切换回主接口。C、当主接口由up 转为down 后,等待一定时间后,若主接口状态仍为down,才切换到备份接口。D、当主接口由down 转为up 后,等待一定时间后,若主接口状态仍为up,才切换回主接口。
考题
根据以下的配置，请判断当主接口serial0出故障后，哪一个备份接口最先被启用。（）Quidway（config-if-Serial0）backup interfaceserial130Quidway（config-if-Serial0）backup interfaceserial240Quidway（config-if-Serial0）backup logic-channel350Quidway（config-if-Serial0）backup logic-channel235A.serial1B.serial2C.logic-channel2D.logic-channel3
考题
下面当主接口由up转为down后哪种说法正确?()
A.当主接口由up转为down后，立即切换到备份接口。B.当主接口由down转为up后，立即切换回主接口。C.当主接口由up转为down后，等待一定时间后，若主接口状态仍为down，才切换到备份接口。D.当主接口由down转为up后，等待一定时间后，若主接口状态仍为up，才切换回主接口。
考题
以下设置配置在串口0的逻辑通道8down判定条件的命令正确的是哪一个?()
A.Quidway（config-if-s0）#backup state-down10B.Quidway（config-logic-channel8）#backup state-down10C.Quidway（config-logic-channel8）#backup delay1010D.Quidway（config-int-s0）#backup delay1010E.Quidway（config-int-s0）#backup state-down1010
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命令Backupstate－down5表示()
A.第5种备份down状态B.主备份接口切换只能进行5次C.当主接口down状态持续5秒后，切换到备份接口D.当主接口逻辑通道时，如果呼叫5次未成功，则认为主逻辑通道处于down状态
考题
设置主接口由up转down后延迟30秒切换到备份接口，主接口由down转up后60秒钟切换回主接口的配置为（）。A、standby timer 30 60B、standby timer 60 30C、standby timer enable-delay 60 disable-delay 30D、standby timer enable-delay 30 disable-delay 60
考题
下面当主接口由up转为down后哪种说法正确？（）A、当主接口由up转为down后，立即切换到备份接口。B、当主接口由down转为up后，立即切换回主接口。C、当主接口由up转为down后，等待一定时间后，若主接口状态仍为down，才切换到备份接口。D、当主接口由down转为up后，等待一定时间后，若主接口状态仍为up，才切换回主接口。
考题
设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为（）A、backup state-down 8 state-up 60B、backup state-down 60；backup state-up 8C、backup state-down 8；backup state-up 60D、backup state-down 8；backup state-up time 60
考题
设置主接口由Up转Down后延迟30秒切换到备份接口，主接口由Down转Up后60秒钟切换回主接口的配置为（）A、backup 30 60B、backup delay 30 60C、backup delay 60 30D、backup delay enable-delay 30 disable-delay 60
考题
命令Backup state-down 5表示（）A、第5种备份down状态B、主备份接口切换只能进行5次C、当主接口down状态持续5秒后，切换到备份接口D、当主接口逻辑通道时，如果呼叫5次未成功，则认为主逻辑通道处于down状态
考题
根据以下的配置，请判断当主接口serial0出故障后，哪一个备份接口最先被启用。（） Quidway（config-if-Serial0）#backup interfaceserial130 Quidway（config-if-Serial0）#backup interfaceserial240 Quidway（config-if-Serial0）#backup logic-channel350 Quidway（config-if-Serial0）#backup logic-channel235A、serial1B、serial2C、logic-channel2D、logic-channel3
考题
命令Backupstate-down5表示（）A、第5种备份down状态B、主备份接口切换只能进行5次C、当主接口down状态持续5秒后，切换到备份接口D、当主接口逻辑通道时，如果呼叫5次未成功，则认为主逻辑通道处于down状态
考题
设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为（）A、backup state-down8 state-up60B、backup state-down60；backup state-up8C、backup state-down8；backup state-up60D、backup state-down8；backup state-uptime60
考题
下列关于备份中心的说法哪些是正确的（）。A、运用备份中心时，一旦主接口上的线路发生故障，就立即切换到备份接口B、运用备份中心时，当主接口上的线路恢复正常后，并不会立即切换回主接口，而是延迟一段时间才切换回主接口C、运用备份中心时，从主接口切换到备份接口的延迟时间是可以配置的D、运用备份中心时，从备份接口切换回主接口的延迟时间是可以配置的
考题
设置主接口由Up转Down后延迟30秒切换到备份接口，主接口由Down转Up后60秒钟切换回主接口的配置为（）A、backup 3060B、backup delay3060C、backup delay6030D、backup delay enable-delay 30 disable-delay 60
考题
Your database is in NOARCHIVELOG mode. You start to do a backup， but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you？（） A、 Put the database in hot backup mode and perform an online backup，including backing up the archived redo logs.B、 Just back up the database datafiles without shutting down the database.C、 You will have to wait until you can shut down the database to perform the backup.D、 Mark each datafile as backup in progress， back them up individually，and then mark them as backup not in progress. No archived redo logs will need to be backed up.E、 Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing，you can shut down the database and back up the datafiles the user changed during the course of the remaining backup
考题
单选题以下设置配置在串口0的逻辑通道8down判定条件的命令正确的是哪一个？（）A
Quidway（config-if-s0）#backup state-down10B
Quidway（config-logic-channel8）#backup state-down10C
Quidway（config-logic-channel8）#backup delay1010D
Quidway（config-int-s0）#backup delay1010E
Quidway（config-int-s0）#backup state-down1010
考题
单选题根据以下的配置，请判断当主接口serial0出故障后，哪一个备份接口最先被启用。（） Quidway（config-if-Serial0）#backup interfaceserial130 Quidway（config-if-Serial0）#backup interfaceserial240 Quidway（config-if-Serial0）#backup logic-channel350 Quidway（config-if-Serial0）#backup logic-channel235A
serial1B
serial2C
logic-channel2D
logic-channel3
考题
单选题设置主接口由up转down后延迟30秒切换到备份接口，主接口由down转up后60秒钟切换回主接口的配置为（）。A
standby timer 30 60B
standby timer 60 30C
standby timer enable-delay 60 disable-delay 30D
standby timer enable-delay 30 disable-delay 60
考题
单选题命令Backupstate-down5表示（）A
第5种备份down状态B
主备份接口切换只能进行5次C
当主接口down状态持续5秒后，切换到备份接口D
当主接口逻辑通道时，如果呼叫5次未成功，则认为主逻辑通道处于down状态
考题
单选题Your database is in NOARCHIVELOG mode. You start to do a backup， but your users complain that they dont want you to shut down the database to perform the backup. What options are available to you？（）A
Put the database in hot backup mode and perform an online backup，including backing up the archived redo logs.B
Just back up the database datafiles without shutting down the database.C
You will have to wait until you can shut down the database to perform the backup.D
Mark each datafile as backup in progress， back them up individually，and then mark them as backup not in progress. No archived redo logs will need to be backed up.E
Only back up the datafiles that the user will not be touching. Once the user has finished what they were doing，you can shut down the database and back up the datafiles the user changed during the course of the remaining backup
考题
单选题设置作为主接口的逻辑通道呼叫8次仍未成功为切换到备份接口，每隔60秒检查一次主逻辑通道是否恢复Up，这样的配置应为（）A
backup state-down8 state-up60B
backup state-down60；backup state-up8C
backup state-down8；backup state-up60D
backup state-down8；backup state-uptime60
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