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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Network Service Optimization Fundamentals | 10% - 15% | - Service Optimization Principles - Network Performance Indicators - NSO Concepts |
| Topic 2: Routing and Switching Service Analysis | 20% - 25% | - Convergence Optimization - Routing Protocol Optimization - Switching Performance Analysis |
| Topic 3: Network Monitoring and Troubleshooting | 20% - 25% | - Traffic Analysis - Performance Monitoring Tools - Root Cause Analysis - Fault Detection |
| Topic 4: High Availability and Reliability | 10% - 15% | - Fast Recovery Mechanisms - Redundancy Technologies - Network Resilience Design |
| Topic 5: Quality of Service Optimization | 15% - 20% | - Traffic Classification - Congestion Management - Bandwidth Optimization - QoS Models |
| Topic 6: Security and Service Assurance | 10% - 15% | - Risk Identification and Mitigation - Service Availability Assurance - Network Security Optimization |
1. 某一 VoIP 网络与 PSTN 网络互连,采用 H323 协议,要求除了能正常进行语音通话外,还必须能进行三房以上的电话会议,该 VoIP 网络必须包含的 H323 组件包括
A) 网关
B) 终端
C) MCU
D) 网守
2. 下列关于对称加密算法的是。
A) DES
B) RAS
C) AES
D) RC4
3. 如图所示, HostA 访问 HostB 时,哪一台设备是最下游设备 ?
A) 不确定
B) LSR1
C) LSR2
D) LSR3
4. 在 H323 协议中,通话双方的能力协商由下列哪个协议完成 ?
A) H245
B) H261
C) H225.0
D) H263
5. 下列哪种编码对宽带的要求最低 ?
A) G723
B) G726
C) G729
D) G711
Solutions:
| Question # 1 Answer: A,B,C | Question # 2 Answer: A,C,D | Question # 3 Answer: D | Question # 4 Answer: A | Question # 5 Answer: A |
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