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H3C GB0-392 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Routing and Switching Service Analysis | 20% - 25% | - Switching Performance Analysis - Routing Protocol Optimization - Convergence Optimization |
| High Availability and Reliability | 10% - 15% | - Network Resilience Design - Fast Recovery Mechanisms - Redundancy Technologies |
| Network Service Optimization Fundamentals | 10% - 15% | - Service Optimization Principles - Network Performance Indicators - NSO Concepts |
| Network Monitoring and Troubleshooting | 20% - 25% | - Performance Monitoring Tools - Root Cause Analysis - Traffic Analysis - Fault Detection |
| Quality of Service Optimization | 15% - 20% | - QoS Models - Traffic Classification - Congestion Management - Bandwidth Optimization |
| Security and Service Assurance | 10% - 15% | - Service Availability Assurance - Risk Identification and Mitigation - Network Security Optimization |
H3CSE-RS-NSO Sample Questions:
在 MSR 路由器配置如下命令:
Qos pql 1 protocol-ip-tcp1000 queue-top
Qos pql 1 protocol-ip-tcp1001 queue-middle
Qos pql 1 protocol-ip-tcp1002queue-normal
Qos pql 1 protocol-ip-tcp1003 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
Qos rtpq start-port 16384 end-port 32767 bandwidth 1000 cbs 25000
则当目的端口分别为 1000 、 1001 、 1002 和 1003 的 TCP 报文及匹配 RTPQ 的流量各以 4Mbps 的速度进入 MSR ,并从端口 G0/1 转发时,以下说法中正确的是
- A. 目的端口为 1001 的 TCP 报文转发速率为 4Mbps
- B. 目的端口为 1000 的 TCP 报文转发速率为 3Mbps
- C. RTPQ 流量报文转发速率约为 1Mbps
- D. 目的端口为 1002 的 TCP 报文转发速率为 2.4Mbps
- E. 目的端口为 1003 的 TCP 报文转发速率为 0
Correct Answer: A,C,E 🗳️
主叫 UA 和被叫 UA 间如何协商双方支持的媒体类型及编码方式 ?
- A. 双方通过交换消息体内 SDP 标明的 UAC/UAS 所支持的媒体类型及编码方式
- B. 双方通过交换消息头内 capabilit 域标明的 UAC/UAS 所支持的媒体类型及编码方式
- C. UA 向注册服务器注册时会将自身的能力注册到服务器,主被叫双方通过查询服务器得知对方的能力集
- D. 以上答案都不对
Correct Answer: A 🗳️
PPP 协议如何标识其承载的上层报文为 MPLS 报文 ?
- A. 在 PPP 头的 PPP Protocol field 字段填写 884.7
- B. 在 PPP 协议 LCP 协商阶段对端设备完成协商
- C. 在 PPP 协议 NCP 协商阶段对端设备完成协商
- D. 在 PPP 头的 PPP Protocol field 字段填写 028.1
Correct Answer: D 🗳️
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
Correct Answer: A,B,C,D 🗳️
关于 DOS 攻击的说法正确的有。
- A. 对于 DOS 攻击,可以通过在网络设备上配置相应的访问控制列表来进行防御
- B. DOS 攻击以降低被攻击系统服务提供能力为目的
- C. 对于 DOS 攻击中的 FTP FLOOD 攻击,可以采取限制每秒的连接数来进行防御
- D. 对于 DOS 攻击中的 TCP FLOOD 攻击,可以采用 TCP 代理机制来进行防御
Correct Answer: B,C,D 🗳️
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