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[主观题]

About PTN device's alarm report function in EMS, which of the following are correc

t？()

A.To display current alarm of device correctly, the device needs to report current alarm to EMS actively. Therefore, necessary configuration for the device to actively report alarms must be correctly set.

B. Protection switching event alarm occurs at the instant when protection group switching happens, so it is not durative alarm. Therefore, after the alarm occurs, it is immediately saved in locking alarm. You can check it only in the locking alarms.

C. If EMS server timezone is different from PTN device timezone, alarm occurrence time on PTN device will be different from that on EMS. Therefore, during commissioning of PTN, you should set PTN timezone to be consistent with EMS timezone, usually local timezone.

D. None of the above

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更多“About PTN device's alarm repor…”相关的问题

第1题

If PTN device is found not reporting alarms to EMS, you can execute()on the device to

If PTN device is found not reporting alarms to EMS, you can execute（)on the device to

check if there are any alarms. If there are, failure to report may result from the problematic initialization of script.

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第2题

Command for PTN device to implement master/slave main board switching is().

Command for PTN device to implement master/slave main board switching is（).

点击查看答案

第3题

Which of the following should be done before device power-on during PTN commissioning

A.check whether system version is correct

B.check whether subrack is firmly mounted

C.check whether boards are correctly plugged

D.check whether cables are laid as required

E. Check whether physical link is set up

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第4题

It's a pity that the device used ____________ counting money doesn't work now

A.at

B.by

C.for

D.to

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第5题

About PTN service encapsulation VLAN and IP planning principles, which of the followi

ng are correct？()

A. Two adjacent ports of a link on 10GE ring belong to one VLAN domain and one IP network section.

B.All PTN devices should be enabled with service loopback address as NE ID in service forwarding plane. This loopback must be unique globally.

C.Service encapsulation VLAN ID is in range of 17～3000 and it is suggested to start from 101

D.VLAN IDs of nonadjacent link segments can be the same

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第6题

According to PTN's power-down specification, first turn off power switch of(), the

According to PTN's power-down specification, first turn off power switch of（), the

n power switch of(), and finally power switch of()。

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第7题

About transport of monitoring packets in the network, which of the following is wrong？

()

A.PTN62006300 can implement exchange of monitoring packets through gateway board and MSTP device.

B.Monitoring packets of PTN network are forwarded through layer 3 routes, without tunnel/PW encapsulation and decapsulation.

C.PTN devices, defined by distinct protocol standards G.8114 and Y.1731, cannot exchange monitoring packets with each other.

D.A PTN6100 can learn 150 mac addresses per second.

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第8题

Who's one the biggest challenges in designing a spacesuit for Mars（)？

A、It has be heavy to prevent astronauts from floating away

B、It must also work as a SCUBA device

C、It needs to double as a hovercraft

D、It must be lightweight and easy to mover in

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第9题

下面关于DCN的说法错误的是（)

A.DCN域过大，可能会导致网元脱管

B.PTN支持全网关DCN方案

C.ETH链路的DCN带宽最大是2048Kbits/s

D.DCN域内的PTN设备，其网元IP的掩码可以随意更改

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第10题

About ZXCTN equipment MCC monitoring, which of the following descriptions are correct

？()

A.Each line side interface (NNI) of ZXCTN equipment should be configured with EMS VLAN, and each VLAN should be configured with proper EMS IP;

B.ZXCTN6300/6200 support L3 routing protocol (e.g. OSPF). In 10GE ring, EMS info is forwarded through L3, and two adjacent ports on one link belong to one VLAN domain and one IP network segment;

C.After ZXCTN6100 device is upgraded into agent version, it is recommended to use L3 monitoring mode.

D.EMS VLAN ID range is in 3001～4093, and these VLAN values are automatically shielded on T31 to prevent collision between EMS VLAN and encapsulation VLAN;

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第11题

关于我司PTN设备监控报文在网络内传递的描述，以下说法错误的是：（)

A.PTN62006300设备可以通过网关板和MSTP设备做到监控报文的互通

B.PTN网络监控报文通过三层路由在设备内进行转发，无隧道/伪线的封装及解封装过程

C.PTN设备若根据G.8114及Y.1731协议标准进行区分，两种大版本的设备无法进行监控报文的互通

D.PTN6100设备的mac地址学习速度可以达到150个/s

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