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Updated: Jul 30, 2026
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H3C GB0-391 Exam Overview:
| Certification Vendor: | H3C |
| Exam Name: | Constructing Secure optimized WANs v2.0 |
| Exam Number: | GB0-391 |
| Real Exam Qty: | 50 |
| Related Certifications: | GB0-371 Building H3C High-Performance Campus Network v2.0 GB0-381 H3C Large-Scale Network Routing Technology v2.0 |
| Passing Score: | 600/1000 |
| Exam Format: | Multiple Choice, Single Choice, Fill-in-the-blank |
| Available Languages: | English, Simplified Chinese |
| Exam Price: | $135 USD |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 60 minutes |
| Recommended Training: | Constructing Secure Optimized WANs v2.0 Official Training |
| Exam Registration: | Prometric Registration |
| Sample Questions: | H3C GB0-391 Sample Questions |
| Exam Way: | Online proctored or onsite testing center |
| Pre Condition: | Valid H3CNE-RS certification recommended |
| Official Syllabus URL: | https://www.h3c.com/en/Training_Certification/ |
H3C GB0-391 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Broadband Access Technologies | 15% | - EPON/GPON technology and deployment - ADSL/ADSL2+ access technology - PPPoE principle and configuration |
| Topic 2: Overview of Secure and Optimized WAN | 10% | - Key technologies for secure and optimized WAN - Remote network connection requirements |
| Topic 3: WAN Optimization and QoS | 15% | - QoS models and service classification - Congestion management and avoidance - Traffic policing and shaping |
| Topic 4: BGP/MPLS VPN | 15% | - BGP/MPLS VPN architecture and deployment - MPLS LDP protocol - MPLS basic concepts and label operation |
| Topic 5: Secure VPN Technologies | 25% | - SSL VPN architecture and application scenarios - IPSec VPN architecture, principle and configuration - Data security fundamentals: encryption, integrity, PKI |
| Topic 6: Traditional VPN Technologies | 20% | - VPN basic concepts and classification - L2TP VPN principle and configuration - GRE VPN principle and configuration |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
1. The private network label corresponding to the remote user's private network route learned by the PE equipment is assigned by which of the following equipment _______ .
A) This end of PE is provided apparatus
B) the travel P device
C) for end PE device
D) of the end CE device
2. Which of the following statements about PKI workflow is correct is ____ .
A) solid body status reviewed by the CA to complete
B) permit book application made by the entity
C) Certificate book by the RA issued
D) solid body needs to revoke the certificate CA application
3. When establishing a BGP MPLS VPN network, which of the following parameters need to be planned by the user and configured on the device ?
A) VPN name
B) RT properties
C) RD value
D) VPN private network label value
4. According to the industry standard of the People's Republic of China G/T 106-1999 "Technical Specifications for Cable TV Broadcasting Systems", the _____ frequency band is used to transmit traditional analog TV programs, digital TV programs and VOD .
A) 87MHz ～ 108MHz
B) 0 ～ 30MHz
C) 5 ～ 65MHz
D) 110MHz ～ 1000 MHz
5. Congestion occurs in the outbound direction of a certain interface of a certain device.It is observed that the traffic of all its TCP connections continues to oscillate at the same frequency, and the average utilization of bandwidth is greatly reduced.In order to solve the problem of low bandwidth utilization, ______ technology can be used .
A) LR
B) Tail discard
C) RED
D) WRED
Solutions:
| Question # 1 Answer: C | Question # 2 Answer: B,D | Question # 3 Answer: A,B,C | Question # 4 Answer: D | Question # 5 Answer: C,D |
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