在运用Multidrop技术的两个串接RBS2202里,若Master机架掉电(电池供电也中断),对Slave机架会有什么影响?()

A:传输中断,Slave机架不能正常工作 B:传输不中断,但Slave机架不能正常工作 C:传输不中断,且Slave机架照常工作 D:传输不中断,但Slave机架必须重新设置IDB才能正常工作

根据《SDH长途光缆传输系统工程验收规范》关于机架安装,下列说法错误的是()。

A:机架的安装位置应符合施工图设计要求 B:机架的安装应端正牢固,垂直偏差不应大于机架高度的1.5‰, C:列内机架应相互靠拢,机架间隙不得大于3mm,列内机面平齐,无明显参差不齐现象 D:机架应采用膨胀螺栓(对地加固).

根据《SDH长途光缆传输系统工程验收规范》关于机架安装,下列说法正确的是()。

A:机架的安装位置应符合施工图设计要求 B:机架的安装应端正牢固,垂直偏差不应大于机架高度的1‰, C:列内机架应相互靠拢,机架间隙不得大于3mm,列内机面平齐,无明显参差不齐现象 D:机架应采用膨胀螺栓(对地加固).

根据《SDH长途光缆传输系统工程验收规范》(YD/T5044—2005),机架安装应符合以下要求()。

A:机架垂直偏差不大于机架高度的1% B:列内机架相互靠拢,机架间隙不大于3mm C:ODF架上法兰盘的安装位置应正确、牢固、方向一致 D:机架安装位置应符合施工图设计要求

对RBS2202来说,扩展机架和Multidrop的Slave机架分别需不需要DXU设备()

A:扩展架和Multidrop机架都不需要DXU B:扩展架不需要DXU,而Multidrop机架需要DXU C:扩展架和Multidrop机架都需要DXU D:扩展架需要DXU,而Multidrop机架不需要DXU

在运用Multidrop技术的两令串接RBS2202里,若Master机架掉电,对Slave机架会有什么影响()

A:传输中断,Slave机架不能正常工作。 B:传输不中断,但Slave机架不能正常工作。 C:传输不中断,但Slave机架必须重新设置IDB才能正常工作。 D:传输不中断,但Slave机架照常工作。

在关中断的状态下,不能响应()。

A:软件中断 B:CPU 内部产生的中断 C:非屏蔽中断 D:可屏蔽中断

A Bluetooth device can be either a master or a slave and any of the devices within a ___30___can be the master. There is only one master and there can be up to ___31___ active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to ___32___.parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to ___33___ mode before it can become active. Within a network, all ___34___ communications are prohibited.

34()

A:master-to-master B:Master-to-slave C:slave-to-slave D:Slave-to-master

A Bluetooth device can be either a master or a slave and any of the devices within a (1) can be the master. There is only one master and there can be up to (2) active slave devices at a time within a single network. In addition, a device may be a standby slave or a parked slave. There can be up to (3) parked slaves. If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to (4) mode before it can become active. Within a network, all (5) communications are prohibited.

5()

A:master-to-master B:master-to-slave C:slave-to-slave D:slave-to-master

A Bluetooth device can be either a master or a slave and any of the devices within a (71) can be the master.There is only one master and there can be up to (72) active slave devices at a time within a single network.In addition, a device may be a standby slave or a parked slave.There can be up to (73) parked slaves.If there are already maximum number of active slaves, then a parked slave must wait until one of the active slaves switches to (74) mode before it can become active.Within a network, all (75) communications are prohibited.

空白处(75)应选择()

A:master-to-master B:master-to-slave C:slave-to-slave D:slave-to-master

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