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H3C GB0-392 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Routing and Switching Service Analysis | 20% - 25% | - Convergence Optimization - Routing Protocol Optimization - Switching Performance Analysis |
| Topic 2: Security and Service Assurance | 10% - 15% | - Network Security Optimization - Risk Identification and Mitigation - Service Availability Assurance |
| Topic 3: Quality of Service Optimization | 15% - 20% | - QoS Models - Bandwidth Optimization - Congestion Management - Traffic Classification |
| Topic 4: Network Monitoring and Troubleshooting | 20% - 25% | - Fault Detection - Performance Monitoring Tools - Root Cause Analysis - Traffic Analysis |
| Topic 5: High Availability and Reliability | 10% - 15% | - Redundancy Technologies - Fast Recovery Mechanisms - Network Resilience Design |
| Topic 6: Network Service Optimization Fundamentals | 10% - 15% | - Service Optimization Principles - Network Performance Indicators - NSO Concepts |
H3CSE-RS-NSO Sample Questions:
1. LDP 会话建立的过程是
A) 邻居发现 > 建立 TCP 连接 > 建立会话 > 会话维护
B) 邻居发现 > 建立会话 > 建立 TCP 连接 > 会话维护
C) 建立会话 > 邻居发现 > 建立 TCP 连接 > 会话维护
D) 建立 TCP 连接邻居发现 > 建立会话 > 会话维护
2. 关于 CBQ 说法不正确的
A) 包含 1 个缺省队列,用来支撑 BE 业务,使用 WFQ 队列调度
B) 包含 1 个 LLQ ,用来支撑 EF 业务,被绝对优先发送,保证时延
C) 包含 1 个 BQ ,用来支撑 AF 业务,保证队列的宽带及可控的时延
D) 是一种 QoS 策略实现的拥塞管理技术
3. 用户使用电话时,室起电话手柄输入被叫号码后,被叫电话机的振铃属于下列哪种信令。
A) 呼叫信令
B) 地址信令
C) 信息信令
D) 监管信令
4. 四台路由器 R1 、 R2 、 R3 和 R4 顺序相连, R1 和 R4 上创建 Loopback0 接口,接口地址分别为 1.1.1.1 和 4444 ,四台设备分别配置动态路由协议,保证 R1 和 R4 的 Loopback0 地址路由可达, R1 和 R4 间建立 GRE Tunnel ,查看 R1 上 Tunnel 接口信息如下:
[R1] displa interface Tunnel 0
Tunnelo current state: UP
Line protocol current state: UP
Description: Tunnelo Interface
The Maximum Transmit Unit is 1476
Internet Address is 10.0.0.1/30 Primar
Encapsulation is TUNNEL, aggregation ID not set
Tunnel source l.1.1.1, destination 4.4.4.4
Tunnel keepalive disable
Tunnel protocol/transport GRE/IP
GRE ke disabled
Check summing of GRE packets disabled
Last 300 seconds input: 2 btes/sec, 0 packets/sec
Last 300 seconds output: 2 btes/sec, 0 packets/sec
15packets input, 840 btes
0 input error
27packets output, 1248 btes
00utput error
此时,若中断 R2 和 R3 之间链路,则下列说法正确的是。
A) R4 的 Tunnel 接口 IP 地址应为 10.0.0.2
B) R1 上的 Tunnel 接口状态 DOWN
C) R4 的 Tunnel 接口的源 IP 为 1.1.1.1 ,目的 IP 为 4.4.4.4
D) R1 上的 Tunnel 接口保持 UP 状态
5. IPv6 报文头的哪个字段可以用于 QoS?
A) Next Header
B) Traffic Class
C) Payload Length
D) Version
Solutions:
| Question # 1 Answer: A | Question # 2 Answer: A,C | Question # 3 Answer: D | Question # 4 Answer: A,B | Question # 5 Answer: B |






