题目内容
（请给出正确答案）
[单选题]
In PTN wrapping ring network protection, when a node detects network failure, through
A.MPLS
B.OAM
C.APM
D.APS
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题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
A.MPLS
B.OAM
C.APM
D.APS
如果结果不匹配，请 联系老师 获取答案
更多“In PTN wrapping ring network p…”相关的问题
port another ring network protection mode: ().
A.Steering保护与Wrapping保护相比，APS协议处理和倒换处理较为简单
B.环网上有大量隧道业务时，采用Wrappin环网保护方式能减小OAM开销，节省带宽，减轻设备负荷
C.环网保护主要是用于当发生汇聚环和接入环异测断纤时，能够对线性工作隧道进行保护
D.环网保护分为Wrapping和Steering两种
A.LSP1：1、LSP1+1、故障相邻的节点
B.LSP1+1、LSP1：1、故障相邻的节点
C.LSP1+1、LSP1：1、上下话业务节点
D.LSP1：1、LSP1+ 1、上下话业务节点
A.10GE ring EMS VLAN: VLAN ID starts from 4093 and each link is assigned a VLAN. VLAN IDs are in descending order.
B. GE ring EMS VLAN: VLAN ID starts from 3001 and each access ring is assigned a VLAN. VLAN IDs are in ascending order.
C. GE ring service encapsulation VLAN: VLAN ID starts from 101 and each access ring is assigned a VLAN. VLAN IDs are in descending order.
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Advertising has its origins in ______.
A．shop window displays and the wrapping of goods
B．face to face contact between sellers and buyers
C．the communicative abilities of a trained sales person
D．articles in newspapers and magazines
