H3C GB0-391 : Constructing Secure optimized WANs v2.0

  • Exam Code: GB0-391
  • Exam Name: Constructing Secure optimized WANs v2.0
  • Updated: Nov 10, 2026
  • Q & A: 468 Questions and Answers

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About H3C GB0-391 Exam Questions

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H3C GB0-391 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: BGP/MPLS VPN15%- BGP/MPLS VPN architecture and deployment
- MPLS basic concepts and label operation
- MPLS LDP protocol
Topic 2: Broadband Access Technologies15%- ADSL/ADSL2+ access technology
- EPON/GPON technology and deployment
- PPPoE principle and configuration
Topic 3: Traditional VPN Technologies20%- VPN basic concepts and classification
- GRE VPN principle and configuration
- L2TP VPN principle and configuration
Topic 4: Secure VPN Technologies25%- SSL VPN architecture and application scenarios
- Data security fundamentals: encryption, integrity, PKI
- IPSec VPN architecture, principle and configuration
Topic 5: WAN Optimization and QoS15%- Traffic policing and shaping
- QoS models and service classification
- Congestion management and avoidance
Topic 6: Overview of Secure and Optimized WAN10%- Remote network connection requirements
- Key technologies for secure and optimized WAN

GB0-391 Exam FAQ: Study Options and Service

The GB0-391 exam is one of the hotter assessments from H3C, and it leads to the H3C Constructing Secure optimized WANs v2.0 certification — a credential many IT professionals are pursuing right now. Its popularity raises the stakes of preparation: choosing the right study material is a genuinely wise decision, and it is the one fully in your hands.

Automatically, and immediately. The moment a new version of the H3C Constructing Secure optimized WANs v2.0 bank is released, our system sends it straight to your email — your only job is to check your inbox. This update service is free for 365 days from your purchase date, and extending it afterward costs half price with the renewal discount. The GB0-391 exam materials never go stale on you.

Registration for the GB0-391 exam runs through these official channels:

Register when your spare-time practice sessions are producing consistently strong results.

Valid H3CNE-RS certification recommended

The official outline divides the GB0-391 exam into weighted domains, including:

  • WAN Optimization and QoS (15%)
  • Secure VPN Technologies (25%)
  • Broadband Access Technologies (15%)

The H3C Constructing Secure optimized WANs v2.0 bank at ValidVCE is created by IT experts and certified trainers around these same objectives, and updated daily against them.

Classes have fixed schedules, commutes, and course fees; self-paced preparation has none of those. With the H3C Constructing Secure optimized WANs v2.0 materials, you practice the GB0-391 exam questions in your spare time, on any device, reviewing only what your results say needs review — a structure that saves both time and money. The content is created by IT experts and certified trainers, so flexibility costs you nothing in quality.

H3C recommends these training resources for candidates:

Official training and self-paced practice answer different needs — many candidates use official resources for depth and our bank for daily exam readiness.

Passing the GB0-391 exam requires 600/1000, and registration costs $135 USD. Smart preparation is simply the strategy of protecting that fee with practice that mirrors the real thing.

The GB0-391 exam contains 50 questions with 60 minutes minutes to complete them. The online test engine recreates that atmosphere on any device, so the real exam feels like a repeat performance.

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

Question #1

802.1p CoS divided the ______ Classes of Service.

  • A. 32
  • B. 8
  • C. 16
  • D. 64
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #2

Execute the command on the MSR router and output the following information:
Execute the command on the MSR router and output the following information:
Interface: GigabitEthernet0/1
Output queue: (Urgent queuing: Size/Length/Discards ) 0/100/0
Output queue: (Protocol queuing: Size/Length/Discards ) 0/500/0
Output queue: (Priorit queuing: PQL 1 Size/Length/Discards)
Top: 3/20/42878 Middle: 10/40/0 Normal: 60/60/259195 Bottom: 80/80/344297
Then the correct statement is

  • A. PQ queue scheduling does not take effect , Top traffic has packet loss
  • B. PQ queue scheduling does not take effect , Top traffic has no packet loss
  • C. PQ queue scheduling does not take effect , and Middle traffic has no packet loss
  • D. PQ queue scheduling takes effect , and Top traffic has no packet loss
  • E. PQ queue scheduling takes effect , no packet loss for Top traffic
  • F. PQ queue scheduling takes effect , Top traffic has packet loss
Reveal Solution  Discussion  0

Correct Answer: C,F  🗳️

Question #3

There are ___ methods for user access authentication and authorization .

  • A. HWTACAC authentication and authorization
  • B. This authenticated authorization
  • C. RADIUS authentication and authorization
  • D. CA certification and authorization
Reveal Solution  Discussion  0

Correct Answer: A,B,C,D  🗳️

Question #4

If the user incorrectly configures the packet filtering policy and filters all TCP packets, what happens to the call in the H.323 network ?

  • A. that a call will be discontinued in RAS stage
  • B. that a call will be discontinued in Q.931 stage
  • C. that a call will be discontinued in H.245 stage
  • D. Does not affect calls between terminals
Reveal Solution  Discussion  0

Correct Answer: B  🗳️

Question #5

Which of the following options are legal SIP URIs?

Reveal Solution  Discussion  0

Correct Answer: B,C,D  🗳️

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