Building Secure WAN Optimization: GB0-390 Exam

"Building Secure WAN Optimization", also known as GB0-390 exam, is a H3C Certification. With the complete collection of questions and answers, UpdateDumps has assembled to take you through 420 Q&As to your GB0-390 Exam preparation. In the GB0-390 exam resources, you will cover every field and category in HCSE Certification Certification helping to ready you for your successful H3C Certification.

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  • Updated on: Aug 23, 2026
  • No. of Questions: 420 Questions & Answers

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  • Updated on: Aug 23, 2026
  • No. of Questions: 420 Questions & Answers

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H3C GB0-390 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: WAN Optimization & Maintenance5%- Common WAN fault diagnosis
- Performance optimization and monitoring
Topic 2: Network Security Enhancement20%- Firewall and access control in WAN
- WAN security risks and protection strategies
- Security policy deployment and maintenance
Topic 3: Remote Access & Broadband Technologies20%- WAN connection requirements and technologies
- ADSL / ADSL2/2+ principles, configuration and troubleshooting
Topic 4: Quality of Service (QoS)15%- Congestion management and scheduling
- Traffic classification, marking and policing
- QoS models and mechanisms
Topic 5: VPN Technologies30%- Traditional VPN fundamentals
- GRE over IPsec and advanced VPN combinations
- IPsec VPN principles and deployment
- SSL VPN architecture and configuration
Topic 6: VoIP & Multimedia Basics10%- H.323 and SIP protocol fundamentals
- VoIP system architecture and call flow
- Bandwidth and delay optimization for voice

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