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H3C GB0-392 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Security Architecture and Optimization | 20% - 25% | - Security threat analysis and defense
|
| Topic 2: High Availability and Reliability Technologies | 10% - 15% | - Fast convergence and recovery mechanisms
|
| Topic 3: Quality of Service Optimization | 15% - 20% | - Queue scheduling and congestion management - QoS models and mechanisms
|
| Topic 4: Secure Optimized WAN Overview | 10% - 15% | - Enterprise network architecture models
|
| Topic 5: IPv6 Transition and Optimization | 10% - 15% | - Transition technologies
|
| Topic 6: Network Service Optimization | 15% - 20% | - Performance monitoring and analysis
|
H3CSE-RS-NSO Sample Questions:
1. 在 MSR 路由器配置如下命令:
Qos pql 1 queue top queue-length 1024
Qos pql 1 inbound-interface GigabitEthernet0/0 queue top
Qos pql 1 protocol ip tcp 1000 queue top
Qos pql 1 protocol ip tcp 1001 queue middle
Qos pql 1 protocol ip tcp 1002 queue normal
Qos pql 1 protocol ip tcp 1003 queue bottom
#
Interface GigabitEthernet0/1
Port link-mode route
Ip address 192.168.1.1 255.255.255.0
Qos lr outbound cir 10000 cbs 625000 ebs 0
Qos pq pql 1
从接口 G0/0 进入,才接口 G0/1 转发的流量包括目的端口分别为 1000 、 1001 、 1002 和 1003 的 TCP 报文流量各 3Mbps ,其它背景流量 4Mbps ,其它接口无流量,则以下说法中不正确的是项)
A) 目的端口为 1003 的 TCP 报文转发速度 1Mbps
B) 目的端口为 1000 的 TCP 报文转发速度 3.Mbps
C) 背景流量报文进入 Bottom 队列,转发速度约为 0.5Mbps
D) 目的端口为 1001 的 TCP 报文转发速度 3Mbps
E) 目的端口为 1002 的 TCP 报文转发速度 3Mbps
2. 下列隧道技术中本身不具备数据加密功能的是。
A) L2TP
B) IPSec 隧道
C) GRE
D) MPLS-VPN
3. 在 PPPoE 的 PPP Session 价段, PPPoE client 和 PPPoE server 之间交换的以太网数据帧中,其目的 MAC 地址可以是。
A) 广播 MAC 地址
B) PPPoE server 的 MAC 地址
C) 组播 MAC 地址
D) PPPoE client 的 MAC 地址
4. 相对于普通数据流,语音流对时延和抖动更加敏感,为了保证语音数据得到优先转发,可以采用如下的队列调度技术
5. 在 L2TP VPN 中, LAC ( LATP Access Concentrator , L2TP 访问集中器)接收到从远程系统向服务器方发送的 IP 数据包,需要对数据包进行相应的封装后发给 LNS ( L2TP Network Server , L2TP 网络服务器), LAC 和 LNS 间传送的数据包的封装格式为
A) 私网数据包 →PPP 头 →L2TPT 头 →UDP 头 → 公网 IP 头
B) 私网数据包 →PPP 头 →UDP 头 →L2TPT 头 → 公网 IP 头
C) 私网数据包 →L2TPT 头 →PPP 头 →UDP 头 → 公网 IP 头
D) 私网数据包 →PPP 头 →UDP 头 → 公网 IP 头 →L2TPT 头
Solutions:
| Question # 1 Answer: A,C,E | Question # 2 Answer: A,C,D | Question # 3 Answer: B,D | Question # 4 Answer: Only visible for members | Question # 5 Answer: A |








