About G.8114 OAM packet format, which of the following are correct?()

A.T-MPLS OAM private label has 4 bytes, and each byte consists of label, MEL, S, and TTL.

B.Label: 20 bits, with value of 13.

C.MEL: 3 bits, with value in range of 0_7, indicating MEG layer.

D.S: 1 bit, with value of 1, indicating packets processed by OAM module. TTL: 8 bits, indicating packet hop-count.

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更多“About G.8114 OAM packet format…”相关的问题

第1题

Compared with OAM packets based on G.8114, OAM packets based on Y.1731 has changed lab

el value from ()to().

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第2题

以Y.1731为标准的OAM报文与G.8114最大的区别在于把原来相应的标签值从()改为了()另外对于TMC-OAM的报文格式改动较大。

以Y.1731为标准的OAM报文与G.8114最大的区别在于把原来相应的标签值从（)改为了（)另外对于TMC-OAM的报文格式改动较大。

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第3题

关于G.8114 OAM报文格式，以下说法正确的是（)

A.T-MPLS OAM专用标签共4个字节，分别由Label、MEL、S、TTL字段组成

B.Label：20位比特，值为13

C.MEL：3位比特，值表示MEG层次，范围为0-7

D.S：1位比特，值总是为1，表示由OAM模块来处理的报文;TTL：8位比特TTL值，表示报文的跳数(hop-count)

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第4题

About usage of OAM in PTN device, which of the following is wrong?()

A. When AIS function is enabled and this site detects connection failure, it will insert FDI packet into customer layer in reverse direction of peer MEP site. Forwarding priority of FDI packets can be configured.

B.To test SSF alarm function, AIS function needs to be enabled.

C.When on-demand LM function is enabled, you can set local LM or peer LM function and parameters like packet forwarding priority, sending interval, report interval and test time.

D.Forwarding priority of CV packet can be set randomly.

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第5题

弥散功能障碍最常出现：（)。

A.PaC上升Pa正常

B.PaC上升Pa下降

C.PaC正常Pa正常

D.PaC下降Pa正常

E.PaC正常Pa下降

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第6题

PAC是硫酸铝净化剂的代号。（)