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H3C GB0-392 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: High Availability and Reliability Technologies	10% - 15%	- Network redundancy design 1. Link-level redundancy 2. Device-level redundancy - Fast convergence and recovery mechanisms 1. BFD detection 2. GR/NSR/NSF
Topic 2: Network Security Architecture and Optimization	20% - 25%	- Security threat analysis and defense 1. Common attack types and mitigation 2. Security policy design - Security deployment and optimization 1. Firewall and IPS integration 2. Access control and identity management
Topic 3: IPv6 Transition and Optimization	10% - 15%	- IPv6 network security and performance - Transition technologies 1. Dual-stack 2. Tunnel technologies
Topic 4: Secure Optimized WAN Overview	10% - 15%	- Enterprise network architecture models 1. IToIP architecture 2. Hierarchical network structure 3. SOA-based network design - H3C enterprise network framework
Topic 5: Network Service Optimization	15% - 20%	- Performance monitoring and analysis 1. Fault diagnosis and location 2. Key performance indicators - Service optimization strategies 1. Bandwidth utilization improvement 2. Delay and jitter optimization
Topic 6: Quality of Service Optimization	15% - 20%	- QoS models and mechanisms 1. Integrated Services 2. Differentiated Services - Traffic classification, marking and policing - Queue scheduling and congestion management

H3CSE-RS-NSO Sample Questions:

1. 在下列光纤接入方式中,光纤化程度最高的是

A) FTTC
B) FTTH
C) FTTA
D) FTTB

2. 普通电话机、 PBX 等设备之间的互联都有统一的接口标准 , 包括模拟接口和数字接口。
下列属于数字语音接口的是。

A) FXS
B) POS
C) T1
D) E1

3. 如图所示, HostA 访问 HostB 时,哪一台设备是最下游设备 ?

A) LSR1
B) LSR2
C) LSR3
D) 不确定

4. 在一个典型的 PPPoE 组网中, PPPoE Server 和 PPPoE Client 均为 MSR 路由器,如果希望 PPPoE 会话
空闲 3 分钟后自动断线,需要进行以下哪些配置（选则一项或多项)。

A) PPPoE Server 上配置: [RTA-Ethernet0/0] pppoe-client dial-bundle-number l idle-timeout 180
B) PPPoE Server 上配置: [RTA-Virtual--Template1] pppoe-client dial-bundle-number l idle-timeout 180
C) PPPoE-Server 上配置: [RTA-Virttual-Template1] pppoe-client dial-bundle-number l idle-timeout 3
D) PPPoE Client 上配置: [HG-Dialerl] pppoe-client dial-bundle-number l idle-timeout 3
E) PPPoE-Client 上配置: [HG-Dialerl] pppoe-client dial-bundle-number l idle-timeout 3
F) PPPoE Client 上配置: [HG-Ethernet0/0] pppoe-client dial-bundle-number l idle-timeout 180

5. 根据对报文的封装形式, IPSec 工作模式分为。

A) 隧道模式
B) 主模式
C) 野蛮模式
D) 传输模式

Solutions:

Question # 1
Answer: B

Question # 2
Answer: C,D

Question # 3
Answer: C

Question # 4
Answer: F

Question # 5
Answer: A,D