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H3C GB0-392 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Network Service Optimization Fundamentals	10% - 15%	- Network Performance Indicators - Service Optimization Principles - NSO Concepts
Topic 2: Routing and Switching Service Analysis	20% - 25%	- Routing Protocol Optimization - Switching Performance Analysis - Convergence Optimization
Topic 3: Security and Service Assurance	10% - 15%	- Service Availability Assurance - Risk Identification and Mitigation - Network Security Optimization
Topic 4: High Availability and Reliability	10% - 15%	- Fast Recovery Mechanisms - Redundancy Technologies - Network Resilience Design
Topic 5: Quality of Service Optimization	15% - 20%	- QoS Models - Traffic Classification - Bandwidth Optimization - Congestion Management
Topic 6: Network Monitoring and Troubleshooting	20% - 25%	- Traffic Analysis - Performance Monitoring Tools - Fault Detection - Root Cause Analysis

H3CSE-RS-NSO Sample Questions:

Question 1

SIP UA 通过重定向服务器呼叫被叫的过程中 , 。

A. 主叫 UA 所有消息都通过重定向服务器进行转发
B. 重定向服务器帮助获职被叫 UA 位置后,主口叫 UA 直接向被叫 UA 发起呼叫
C. 除了位置请求消息外,主叫 LA 的其它消息都不需要通过重定向服务器转发
D. 以上都不对

Question 2

以下对 GRE VPN 和 BGP/MPLS VPN 描述正确的有。

A. GRE VPN 能够分隔地址空间, BGP/MPLS VPN 不能分隔地址空间
B. 都是点对点的隧道
C. GRE VPN 不能分隔地址空间, BGP/MPLS VPN 能分隔地址空间
D. 都可以分隔地址空间

Question 3

以下关于 WFQ 的说法不正确的是

A. 相同组内只能根据不同 IP 优先级或 DSCP 优先级分配不同队列
B. 相同组内只能根据不同 IP 优先级分配不同队列
C. 相同组内只能根据不同 DSCP 优先级分配不同队列
D. 可以使用 WRED 进行拥塞避免的控制
E. 配置 WFQ 功能需在系统视图下配置如下命令 QoS wfq dscp queue-length 64 queue-number 64

Question 4

在 BGP MPLS VPN 网络中, PE 设备需要支持下列哪些功能 ?

A. MP-BGP
B. MPLS LDP
C. 路由协议多实例
D. MPLS

Question 5

在 Router1 和 Router3 之间创建 GRE 隧道,三台路由器配置分别为:
Router1:
[Router1] interface Serial 0/2/0
[Router1-Serial0/2/O] ip address 10.1.1.1 24
[Router1] interface loopback 0
[Router1-LoopBackO] ip address l.1.1.1 32
[Router1] interface Tunnel 0
[Router1-TunnelO] source 10.1.1.1
[Router1-TunnelO] destination 20.1.1.2
[Router1-TunnelO] ip address 100.1.1.1 24
[Router1] ospf
[Router1-ospf-l] area 0
[Router1-ospf-l-area-0.0.0.0] network 10.1.1.1 0.0.0.255
[Router1-ospf-l-area-0.0.0.0] network l.1.1.1 0.0.0.0
Router2:
[Router2] interface Serial 0/2/0
[Router2-Serial0/2/O] ip address 10.1.1.2 24
[Router2] interface Serial 0/2/1
[Router2-Serial0/2/1] ip address 20.1.1.1 24
[Router2] ospf
[Router2-ospf-l] area 0
[Router2-ospf-l-area-0.0.0.0] network 10.1.1.2 0.0.0.255
[Router2-ospf-l-area-0.0.0.0] network 20.1.1.1 0.0.0.255
Router3 :
[Router3] interface Serial 0/2/0
[Router3-Serial0/2/O] ip address 20.1.1.2 24
[Router3-Serial0/2/O] quit
[Router3] interface loopback 0
[Router3-Loop Back0] ip address 3.3.3.3 32
[Router3] interface Tunnel 0
[Router3-Tunnel0] source 20.1.1.2
[Router3-Tunnel0] destination 10.1.1.1
[Router3-Tunnel0] ip address 100.1.1.2
[Router3] ospf
[Router3-ospf-l] area 0
[Router3-ospf-l-area-0.0.0.0] network 20.1.1.2 0.0.0.255
[Router3-ospf-l-area-0.0.0.0] network 3.3.3.30.0.0.0
在 Router 上使用命令 ping-a 1.1.1.1 3.3.3.3 ,检查连通性, l00% 收到 icmp 回包。
上进过程中,以下对各路由器对数据包的处理过程酌描述,正确的是。（选择一项或多项)