H3C GB0-391 - Constructing Secure optimized WANs v2.0
- Exam Code: GB0-391
- Exam Name: Constructing Secure optimized WANs v2.0
- Updated: Sep 21, 2026
- Q & A: 468 Questions and Answers
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| Certification Vendor: | H3C |
|---|---|
| Exam Name: | Constructing Secure optimized WANs v2.0 |
| Exam Number: | GB0-391 |
| Related Certifications: | GB0-381 H3C Large-Scale Network Routing Technology v2.0 GB0-371 Building H3C High-Performance Campus Network v2.0 |
| Real Exam Qty: | 50 |
| Available Languages: | English, Simplified Chinese |
| Certificate Validity Period: | 3 years |
| Exam Duration: | 60 minutes |
| Exam Price: | $135 USD |
| Passing Score: | 600/1000 |
| Exam Format: | Multiple Choice, Fill-in-the-blank, Single Choice |
| Recommended Training: | Constructing Secure Optimized WANs v2.0 Official Training |
| Exam Registration: | Prometric Registration |
| 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/ |
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: BGP/MPLS VPN | 15% | - BGP/MPLS VPN architecture and deployment - MPLS LDP protocol - MPLS basic concepts and label operation |
| Topic 2: Traditional VPN Technologies | 20% | - VPN basic concepts and classification - GRE VPN principle and configuration - L2TP VPN principle and configuration |
| Topic 3: WAN Optimization and QoS | 15% | - Traffic policing and shaping - QoS models and service classification - Congestion management and avoidance |
| Topic 4: Overview of Secure and Optimized WAN | 10% | - Remote network connection requirements - Key technologies for secure and optimized WAN |
| Topic 5: Secure VPN Technologies | 25% | - IPSec VPN architecture, principle and configuration - SSL VPN architecture and application scenarios - Data security fundamentals: encryption, integrity, PKI |
| Topic 6: Broadband Access Technologies | 15% | - ADSL/ADSL2+ access technology - PPPoE principle and configuration - EPON/GPON technology and deployment |
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As of the latest information, the passing score for the GB0-391 exam is 600/1000 and the fee is $135 USD. H3C can revise both, so confirm the current figures on the official site before registering.
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H3C recommends these official training options:
Pick the course matching your experience, then reinforce it with regular question practice.
H3C lists the following prerequisites for the H3C Constructing Secure optimized WANs v2.0: Valid H3CNE-RS certification recommended.
Confirm the details on the official certification page before you book.
Per current exam information, the GB0-391 exam includes 50 questions and allows 60 minutes minutes. Timed practice beforehand makes the format feel routine on the day.
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The following options belong to the co- side equipment is ____ .
Correct Answer: C,D,E 🗳️
During the SIP UA calling the called party through the proxy server,
Correct Answer: A 🗳️
In the VoIP network, the bandwidth saved by VAD technology has nothing to do with which of the following solid elements
Correct Answer: A,C 🗳️
Which of the following access methods does SSL VPN provide ?
Correct Answer: B,C,D 🗳️
To get the best of VoIP voice quality, _____ coding best choice.
Correct Answer: C 🗳️
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