What you study for the H3C Building Secure WAN Optimization exam does not stay in the exam room. The knowledge applies to the job itself — which is why ExamCost builds its 420 practice questions around real, testable skill rather than trivia.
H3C GB0-390 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Remote Access & Broadband Technologies | 20% | - WAN connection requirements and technologies - ADSL / ADSL2/2+ principles, configuration and troubleshooting |
| Topic 2: Quality of Service (QoS) | 15% | - Traffic classification, marking and policing - QoS models and mechanisms - Congestion management and scheduling |
| Topic 3: WAN Optimization & Maintenance | 5% | - Performance optimization and monitoring - Common WAN fault diagnosis |
| Topic 4: VPN Technologies | 30% | - GRE over IPsec and advanced VPN combinations - SSL VPN architecture and configuration - Traditional VPN fundamentals - IPsec VPN principles and deployment |
| Topic 5: VoIP & Multimedia Basics | 10% | - VoIP system architecture and call flow - H.323 and SIP protocol fundamentals - Bandwidth and delay optimization for voice |
| Topic 6: Network Security Enhancement | 20% | - Security policy deployment and maintenance - WAN security risks and protection strategies - Firewall and access control in WAN |
H3C Building Secure WAN Optimization Exam: Questions Candidates Actually Ask
Onsite proctored at authorized test centers (Prometric, ATAC) Register for the H3C Building Secure WAN Optimization exam through these official channels:
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ExamCost issues a full refund if you take the H3C Building Secure WAN Optimization exam within 60 days of purchase and do not pass. The policy does not apply if the exam is taken within 3 days of purchase, if the exam was never actually taken, or to free materials or expired orders, and the candidate name must match the payer name. Submit a scan of your enrollment slip and the official Score Report PDF within 2 days of the exam; claims are processed within 7 days. Alternatively, exchange for two free exam products of equal value and keep your original update service. Orders arrive by email within 1 minute — contact support if nothing arrives within 2 hours.
The H3C Building Secure WAN Optimization exam requires 600 / 1000 to pass, and registration costs $135 USD. A failed attempt means paying the same fee again — a readiness check with the ExamCost engines before booking is the cheaper option.
The official H3C Building Secure WAN Optimization outline defines 6 domains. The leading three are WAN Optimization & Maintenance (5%), Quality of Service (QoS) (15%), and VPN Technologies (30%). The full list is in the topics section above, and ExamCost's 420 practice questions cover each one.
The H3C Building Secure WAN Optimization exam contains 50 to complete within 60 minutes. Timed simulation in the ExamCost Desktop Test Engine teaches that rhythm before exam day does.
Recommended to hold valid H3CNE-RS+ or equivalent entry-level certification; no strict mandatory requirement Since requirements change over time, confirm the latest on the official H3C exam page before scheduling.
Three versions of the same study materials: a printable, expert-prepared PDF with free demo download and instant access; a Desktop Test Engine for Windows that simulates the real exam with two practice modes and works offline; and an Online Test Engine for any browser on Windows, Mac, Android, and iOS with test history and performance review. All 420 practice questions are identical across versions. Every purchase includes 365 days of free updates, a 50% renewal discount afterward, and unlimited computer installations.
The GB0-390 exam is a H3C certification exam validating the H3C Building Secure WAN Optimization syllabus shown above. It belongs to these credential paths: H3CNE-RS+, H3CSE-RS, H3CIE-RS+. Earning it in 2026 demonstrates ability in a form employers recognize — and ExamCost prepares candidates with 420 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
H3C recommends these training resources for the H3C Building Secure WAN Optimization exam:
Follow the training with steady self-testing — the 420 practice questions from ExamCost help you apply theory and fill any gaps the training leaves.
