Real SU0-123 exam answers
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Exam Number/Code: SU0-123
Questions and Answers:498 Q&As
Updated Time: 2009-09-30
Register for Exam: Prometric/Pearson VUE
Exam Name:Huawei Cert Datacom Pro.-Building IP Telecom Network
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Exam : Huawei SU0-123
Title : Huawei Certified Datacom Professional-Building IP Telecom Network
1. MPLS BGP VPN中，当MPLS VPN用户路由转换为VPNv4路由传递时，携带哪种Route Target？
A. Export RT
B. Implied RT
C. Import RT
D. Extended RT
Answer: A
2. 在VRP5中LDP环路检测的路径向量
A. 缺省值为16
B. 缺省值为15
C. 缺省值为32
D. 缺省值为32
Answer: C
3. 以下哪个状态是LDP Session成功建立的标志
A. INITIALIZED
B. OPENREC
C. OPENSENT
D. OPERATIONAL
Answer: D
4. 一个OSPF进程可以属于多个VPN-instance。
A. True
B. False
Answer: B
5. 以下哪条命令用于Egress节点向倒数第二跳分配显式空标签，值为0 ?
A. label advertise explicit-null
B. label advertise implicit-null
C. label advertise non-null
D. label advertise total
Answer: A
6. 以下关于基于接口的标签空间描述不正确的是
A. LSR为一个目的地址只分配一个标签
B. 一台LSR的入标签不可能相同
C. 和基于平台的标签空间相比，具有更高的安全性
D. 当LSR收到带标签的报文，只检查入标签进行转发而并不检查入接口
Answer: ABD
7. LDP PDU头部的长度为（）个字节
A. 10
B. 20
C. 40
D. 10～40
Answer: A
8. 传统IP转发在流量工程方面的描述正确的有
A. 考虑了带宽、链路属性等因素
B. 基于IGP面向目的地址的转发
C. 可以根据来源进行控制流量转发
D. 是面向连接的，可以实现显式路径
Answer: B
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