Exam Name: Constructing Secure optimized WANs v2.0
Certification Provider: H3C
Corresponding Certification: H3CSE-Routing & Switching
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Instant Download GB0-391 Exam Dumps : Constructing Secure optimized WANs v2.0
Updated: Sep 21, 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 |
| Related Certifications: | GB0-381 H3C Large-Scale Network Routing Technology v2.0 GB0-371 Building H3C High-Performance Campus Network v2.0 |
| Passing Score: | 600/1000 |
| Exam Price: | $135 USD |
| Certificate Validity Period: | 3 years |
| Real Exam Qty: | 50 |
| Exam Format: | Single Choice, Multiple Choice, Fill-in-the-blank |
| Exam Duration: | 60 minutes |
| Available Languages: | English, Simplified Chinese |
| Recommended Training: | Constructing Secure Optimized WANs v2.0 Official Training |
| Exam Registration: | Prometric Registration |
| Sample Questions: | DOWNLOAD DEMO |
| 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 |
|---|---|---|
| WAN Optimization and QoS | 15% | - Traffic policing and shaping - Congestion management and avoidance - QoS models and service classification |
| BGP/MPLS VPN | 15% | - MPLS LDP protocol - BGP/MPLS VPN architecture and deployment - MPLS basic concepts and label operation |
| Secure VPN Technologies | 25% | - SSL VPN architecture and application scenarios - IPSec VPN architecture, principle and configuration - Data security fundamentals: encryption, integrity, PKI |
| Traditional VPN Technologies | 20% | - L2TP VPN principle and configuration - VPN basic concepts and classification - GRE VPN principle and configuration |
| Broadband Access Technologies | 15% | - PPPoE principle and configuration - ADSL/ADSL2+ access technology - EPON/GPON technology and deployment |
| Overview of Secure and Optimized WAN | 10% | - Remote network connection requirements - Key technologies for secure and optimized WAN |
Questions About the H3C Constructing Secure optimized WANs v2.0 Exam, Answered
The official H3C Constructing Secure optimized WANs v2.0 outline defines 6 domains. The leading three are Overview of Secure and Optimized WAN (10%), WAN Optimization and QoS (15%), and Broadband Access Technologies (15%). The full list is in the topics section above, and PassLeaderVCE's 468 practice questions cover each one.
The GB0-391 exam is a H3C certification exam validating the H3C Constructing Secure optimized WANs v2.0 syllabus shown above. It belongs to these credential paths: GB0-371 Building H3C High-Performance Campus Network v2.0, GB0-381 H3C Large-Scale Network Routing Technology v2.0. In a crowded 2026 job market, the credential demonstrates ability visibly — and PassLeaderVCE prepares candidates with 468 practice questions in PDF, Desktop Test Engine, and Online Test Engine formats.
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The H3C Constructing Secure optimized WANs v2.0 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 PassLeaderVCE engines before booking is the cheaper option.
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 468 practice questions are identical across versions. Every purchase includes 365 days of free updates — pushed to you automatically whenever the bank is revised — plus a 50% renewal discount afterward and unlimited computer installations.
The H3C Constructing Secure optimized WANs v2.0 exam contains 50 to complete within 60 minutes. Timed simulation in the PassLeaderVCE Desktop Test Engine teaches that rhythm before exam day does.
H3C recommends these training resources for the H3C Constructing Secure optimized WANs v2.0 exam:
Follow the training with steady self-testing — the 468 practice questions from PassLeaderVCE help you apply theory and fill any gaps the training leaves.
Valid H3CNE-RS certification recommended Since requirements change over time, confirm the latest on the official H3C exam page before scheduling.
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
In the PPPoE application of ADSL , when the CPE side uses MSR router + ADSL Modem for networking, and the CO side DSLAM uses ATM for uplink, which interfaces need to be configured on the router on the CPE side ?
- A. DSL interface
- B. Virtua l-Template
- C. dial number Interface
- D. Yi Tai Ethernet port
- E. Virtual-Ethernet
Correct Answer: C,D 🗳️
The encapsulation format of the voice data transmitted in the VoIP network is
- A. IP the I the I the RTP speech sound data
- B. IP the I the I RTCP UDP the I the I the RTP speech sound data
- C. IP UDP the I the I the I the RTP speech sound data
- D. IP TCP the I the I the I the RTP speech sound data
Correct Answer: C 🗳️
In the BGP MPLS VPN network, which of the following functions should the PE equipment support ?
- A. MPLS LDP
- B. Road multiple instances of the protocol
- C. MPLS
- D. MP-BGP
Correct Answer: A,B,C,D 🗳️
The following commands are configured on the S3610 switch:
qos map-table dot1p-lp
import 1 export 5
interface Ethernet1/0/8
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos trust dot1p
interface Ethernet1/0/7
port link-mode bridge
port link-tpe trunk
port trunk permit vlan 1 to 2
qos gts queue 5 cir 1950 cbs 2000000
Then when the flow rate is 10Mbps the vlan id is 2 and 802.1p preferred priority of 1 is the packet from the port E1 / 0/6 enters only port E1 / 0/7 when forwarding.
Then the following statement is correct
- A. E1 / 0 /.9 outgoing packets 802.1p preferred precedence 5
- B. 10Mbps packets are forwarded normally
- C. Packet traffic shaping is 1950kbps for forwarding
- D. portions partial misconfigured
- E. E1 / 0 /.9 outbound message packets 802.1p Priority Level 1
Correct Answer: B,E 🗳️
When SIP UA calls the called party through the redirect server, ____ .
- A. heavy directional server to help eligible post called UA rear position, the main port called UA directly to the called UA initiates a call
- B. to the not right
- C. Lord called UA All messages are forwarded by redirecting server
- D. In addition to the external location request message, a calling LA other messages do not need to be forwarded by the redirection server
Correct Answer: A,D 🗳️
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