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H3C GB0-391 Exam Overview:
| Certification Vendor: | H3C |
|---|---|
| Exam Name: | Constructing Secure optimized WANs v2.0 |
| Exam Number: | GB0-391 |
| Real Exam Qty: | 50 |
| Exam Format: | Multiple Choice, Single Choice, Fill-in-the-blank |
| Passing Score: | 600/1000 |
| Related Certifications: | GB0-381 H3C Large-Scale Network Routing Technology v2.0 GB0-371 Building H3C High-Performance Campus Network v2.0 |
| Exam Duration: | 60 minutes |
| Exam Price: | $135 USD |
| Available Languages: | English, Simplified Chinese |
| Certificate Validity Period: | 3 years |
| 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/ |
H3C GB0-391 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Broadband Access Technologies | 15% | - ADSL/ADSL2+ access technology - PPPoE principle and configuration - EPON/GPON technology and deployment |
| Topic 2: Overview of Secure and Optimized WAN | 10% | - Key technologies for secure and optimized WAN - Remote network connection requirements |
| Topic 3: Traditional VPN Technologies | 20% | - L2TP VPN principle and configuration - VPN basic concepts and classification - GRE VPN principle and configuration |
| Topic 4: BGP/MPLS VPN | 15% | - BGP/MPLS VPN architecture and deployment - MPLS LDP protocol - MPLS basic concepts and label operation |
| Topic 5: WAN Optimization and QoS | 15% | - QoS models and service classification - Congestion management and avoidance - Traffic policing and shaping |
| Topic 6: Secure VPN Technologies | 25% | - Data security fundamentals: encryption, integrity, PKI - SSL VPN architecture and application scenarios - IPSec VPN architecture, principle and configuration |
GB0-391 Exam Questions Answered
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The H3C Constructing Secure optimized WANs v2.0 is delivered Online proctored or onsite testing center — select whichever arrangement suits you when booking.
The H3C Constructing Secure optimized WANs v2.0 blueprint spans 6 domains — including WAN Optimization and QoS (15%), Broadband Access Technologies (15%), Overview of Secure and Optimized WAN (10%). Let the weightings direct your spare-time review; the full outline above lists every subtopic.
Yes — download the free H3C Constructing Secure optimized WANs v2.0 demo and evaluate the material before paying. Purchases include 365 days of free updates, each new version emailed immediately upon release; renew afterward at 50% off.
Valid H3CNE-RS certification recommended Eligibility rules change periodically, so confirm the current requirements on the official page (official GB0-391 exam page) before registering.
Yes:
Courses give you the theory; the 468 practice questions for the H3C Constructing Secure optimized WANs v2.0 give you the rehearsal — every answer expert-verified.
The H3C Constructing Secure optimized WANs v2.0 is H3C's certification exam for H3C Certified Senior Engineer for Routing & Switching (H3CSE-RS), at the Professional level. It validates job-ready skills, and passing it marks you as a verified professional. Related credentials include GB0-371 Building H3C High-Performance Campus Network v2.0, GB0-381 H3C Large-Scale Network Routing Technology v2.0.
$135 USD per attempt, 600/1000 to pass. A retake costs the full fee again — effective preparation with the 468 practice questions for the GB0-391 exam is the economical path.
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
Use the command on the MSR router:
dis qos wfq interface GigabitEthernet 0/1
Get 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: ( Weighted Fair queuing: Size/Length/Discarcds ) 1023/1024/52719
Hashed b DSCP
Hashed queues 1/2/64 ( Active/Max active/Total )
Then the correct one in the following statement is ____ .
- A. When the number of queues is active before 2
- B. calendar history activated off the maximum number of queues is 2
- C. end port using the WFQ queues, the weight of type IP priority
- D. team column a maximum length of 1024 , the current data hold chamber, and packet loss
- E. end port using the WFQ queues, the weight type DSCP
Correct Answer: B,D,E 🗳️
Among the following broadband access transmission media, the ones that are more suitable for covering remote areas without traditional communication lines include
- A. same coaxial cable
- B. electric power line
- C. optical fiber
- D. no radio waves
- E. Copper quality UTP
Correct Answer: B,D 🗳️
In the MSR router configuration commands as follows:
qos pql 1 queue top queue-length 1024
qos pql 1 inbound-interface GigabitEthernet0/0 queue top
qos pql 1 protocol ip tcp 1000 queue top
qos pql 1 protocol ip tcp 1001 queue middle
qos pql 1 protocol ip tcp 1002 queue normal
qos pql 1 protocol ip tcp 1003 queue bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
From the interface G0 / 0 into the only access port G0 / 1 forwarding traffic directed include the destination port, respectively 1000 , 1001 , 1002 and 1003 of the TCP packet flow rates of 3Mbps , other background traffic 4Mbps , other interfaces no flow, then the following claims The correct one is ______ ( choose one or more
Item )
- A. Head of port 1003 of TCP packet forwarding rate of 1Mbps
- B. Head of port 1000 of TCP packet forwarding rate of 3Mbps
- C. with opposing bad
- D. Head of port 1001 of TCP packet forwarding rate of 3Mbps
- E. Head of the port 1002 of TCP packet forwarding rate of 3Mbps
- F. back background traffic packets into the Bottom queue, forward speed of about 0.5Mbps
Correct Answer: B,D 🗳️
In the Ethernet access application, the correct statement about the deployment of the access point AN and the aggregation equipment AGG at the edge of the operator's access network is ____ .
- A. When AN uses a three-layer switch, the maximum number of user terminals that an AGG device can connect to will no longer be limited by the number of its own MAC address table entries
- B. When AN adopts a three-layer switch, it is more helpful to control the scope of the broadcast domain than a two-layer switch
- C. When AN adopts a Layer 2 switch, it needs to support and deploy complex Layer 2 isolation and security features on AN and AGG
- D. the AN taken when a switcher, three switches can team with respect to the end-user access to a higher density to achieve
Correct Answer: A,B,C 🗳️
Configure the following commands in the MSR router:
dis qos wfq interface GigabitEthernet0/1
Get the following message:
interface GigabitEthernet0/1
Output queue (Urgabit queuing Size /discards): 0/100/0
Output queue (Urgabit queuing Size /discards): 0/100/0
Output queue (weighted fair queuing Size/length /discards): 1023/1024/52719
Hashed b DSCP
Hashed queues1/2/64(Active/max active/total)
Then what is incorrect in the following statement is ______
- A. When the number of queues is active before 2
- B. team column the maximum length of 1024.The current data congestion and packet loss
- C. calendar history activated off the maximum number of queues is 2
- D. end port using the WFQ queues, the weight type is IP type
- E. end port using the WFQ queues, the weight type DSCP
Correct Answer: A,D 🗳️
