题目内容（请给出正确答案）

[主观题]

ZXCTN product port level protection is mainly realized by LAG, which is then classifie

d according to different standards. So which of the following LAG protection groups can be implemented in our devices？()

A.Master/slave LAG

B.1：N LAG

C.Load sharing LAG

D.Channel LAG

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更多“ZXCTN product port level prote…”相关的问题

第1题

About ZXCTN product MCC monitoring planning and configuration, which of the following

is incorrect？ ()

A.One equipment can be configured with multiple VLANs, each with an IP address, and these IPs can locate in one network segment;

B.Qx interface of ZXCTN6263V1.0 is not available, so when the equipment acts as access NE, some port of its GE line card is used as a substitution to connect with T3 server.

C.MCC management VLAN value range should be in 3001-4093. On T3, these VLAN values are automatically shielded to prevent collison between management VLAN and service VLAN;

D.When ZXCTN6200/6300/9000 connects with an access ring in the downstream, it is recommended that the access ring form. a closed loop physically to realize MCC monitoring protection;

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第2题

During ZXCTN product emergency fault handling, make sure to follow the rule of restore

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第3题

Working modes of PTP port on ZXCTN equipment include:（)。

A.nmanual mode

B.nSSM protocol mode

C.nautomatic selection mode

D.n1588 optimal master clock

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第4题

Linear protection switching of tunnel on ZXCTN products depends on whether port is DOW

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第5题

For ZXCTN products, which of the following states of port ordinary clock and boundary

A.Grandpa

B.Passive

C.Slave

D.Master

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第6题

In OAM detection of ZXCTN product, CC is mainly used to detect connectivity. When the

connectivity is abnormal, the following types of alarms will occur, LOC, ()，()，()。

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第7题

For packets larger than 1642 bytes to pass UNI port, enable()function of the port on

For packets larger than 1642 bytes to pass UNI port, enable（)function of the port on

ZXCTN equipment.

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第8题

CES service clock function of ZXCTN product includes working modes of transmitting/re

A.nAuto

B.nprimary reference clock

C.nloopback clock

D.nsystem clock

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第9题

Starting from B14 version of ZXCTN 9000 product, we can use command()in hidden mode t

Starting from B14 version of ZXCTN 9000 product, we can use command（)in hidden mode t

o synchronize MAC addresses of master/slave main boards to avoid serious results from inconsistent master/slave MAC addresses.

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第10题

In EMS clock configuration interface, the lower the BMC priority value of ZXCTN equipm

ent is, the()the time state priority on this NE will be.

A.higher

B.lower

C.BMC priority value is relevant to time state priority

D.Whether BMC priority value is relevant to time state priority or not depends on actual port configuration.

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第11题

About ZXCTN equipment's protection switching, which of the following are correct？

A.nSignal failure switching of tunnel depends on whether port is dow

B.nSignal failure switching of tunnel depends on whether CC packets are lost

C.n1:1 switching of tunnel depends on APS protocol and is bidirectional switching

D.n1+1 switching of tunnel depends on APS protocol and is unidirectional switching

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