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H3C GB0-391 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: BGP/MPLS VPN | 15% | - BGP/MPLS VPN architecture and deployment - MPLS basic concepts and label operation - MPLS LDP protocol |
| Topic 2: WAN Optimization and QoS | 15% | - Traffic policing and shaping - Congestion management and avoidance - QoS models and service classification |
| Topic 3: Secure VPN Technologies | 25% | - IPSec VPN architecture, principle and configuration - SSL VPN architecture and application scenarios - Data security fundamentals: encryption, integrity, PKI |
| Topic 4: Overview of Secure and Optimized WAN | 10% | - Remote network connection requirements - Key technologies for secure and optimized WAN |
| Topic 5: Broadband Access Technologies | 15% | - PPPoE principle and configuration - EPON/GPON technology and deployment - ADSL/ADSL2+ access technology |
| Topic 6: Traditional VPN Technologies | 20% | - VPN basic concepts and classification - GRE VPN principle and configuration - L2TP VPN principle and configuration |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
When the label distribution method is ______ , the downstream device needs to wait for the label distribution application from the upstream device to distribute the label.
- A. There order mode ( Odered )
- B. DOD ( DOWNstream On Demand ) downstream on demand
- C. Since the embodiment ( Liberal Retention MODE )
- D. independent stand mode ( work of the Independent )
- E. DU ( DOWNstream Unsolicited ) downstream autonomous
Correct Answer: B 🗳️
Which of the following VPN technologies are suitable for corporate employees on business trips to remotely access the corporate network through the Internet ?
- A. GRE VPN
- B. SSL VPN
- C. BGP/MPLS VPN
- D. VLL
Correct Answer: B 🗳️
According to Nquist 's theorem, the telephone system samples human voices every second to satisfy the complete representation of the characteristics of the voice signal.
- A. 2000
- B. 8000
- C. 4000
- D. 6000
Correct Answer: B 🗳️
Which of the following are signaling _____ .
- A. by the user when using the phone, pick up the telephone handset, the handset came from the dial tone.
- B. by the user using the phone, pick up the telephone handset called number, outgoing echo from handset bell
- C. by the user using the phone, pressing the number keys to PBX transmits the called number representing a range of low frequency tones and high frequency due.
- D. by the user using the phone, pick up the telephone handset called number, the called telephone ringing
Correct Answer: A,B,D 🗳️
Which of the following descriptions about AH ( Authentication Head ) and ESP ( Encapsulating Security Payload ) are correct?
- A. two who can provide data origin authentication and optional anti-replay service
- B. AH cannot provide data integrity protection
- C. two can be used simultaneously
- D. two who can provide confidentiality protection
Correct Answer: A,B,C 🗳️






