H3C : GB0-391 Questions & Answers
Updated: Sep 26, 2026
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H3C GB0-391 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Secure Optimized WAN Overview | - Enterprise secure WAN fundamental concepts - WAN architecture and requirements |
| Topic 2: BGP/MPLS VPN | - MPLS core concepts and label forwarding - BGP/MPLS VPN implementation and troubleshooting |
| Topic 3: Broadband Access Technologies | - Broadband access principles (IPoE, EPON etc.) - WAN access configuration methods |
| Topic 4: Enhanced Network Security | - Threats and secure network best practices - Network security management methods |
| Topic 5: Conventional VPN Technologies | - GRE VPN principles and configuration - L2TP VPN concepts and applications |
| Topic 6: Secure VPN Technologies | - IPSec VPN architecture and security basics - SSL VPN principles and configuration basics |
| Topic 7: Quality of Service (QoS) | - Traffic policing, shaping and congestion techniques - Link efficiency and compression technologies |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
In a typical PPPoE networking, PPPoE Server and PPPoE Client are for the MSR router, if you want PPPoE session idle 3 minutes after the automatic disconnection, which requires the following configuration ( choose the one or more ) .
- A. Configure on PPPoE Client : [HG-Dialerl] pppoe-client dial-bundle-number l idle-timeout 3
- B. Configure on PPPoE-Server : [RTA-Virttual-Template1] pppoe-client dial-bundle-number l idle-timeout 3
- C. Configure on PPPoE Server : [RTA-Ethernet0/0] pppoe-client dial-bundle-number l idle -timeout 180
- D. Configure on PPPoE-Client : [HG-Dialerl] pppoe -client dial-bundle-number l idle-timeout 3
- E. Configure on PPPoE Client : [HG-Ethernet 0/0]pppoe-client dial-bundle-number l idle-timeout 180
- F. Configure on PPPoE Server : [RTA-Virtual--Template1] pppoe-client dial-bundle-number l idle -timeout 180
Correct Answer: E 🗳️
In BGP MPLS VPN in the network, the two PE respectively connected the two branches of the same private network user, is required between visits two divisions, and the BGP MPLS VPN is not part of the network Agency BGP reflector, then the two sets of PE between devices will necessarily need to establish which of the following neighbor relationship ?
- A. MP-BGP neighbor
- B. OSPF neighbor
- C. OSPF multi-instance neighbor
- D. MPLS LDP neighbor
Correct Answer: A 🗳️
The following options belong to the co- side equipment is ____ .
- A. cable modem
- B. machine top box
- C. access the server
- D. DSLAM
- E. access into the switch
Correct Answer: C,D,E 🗳️
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. Virtua l-Template
- B. DSL interface
- C. Virtual-Ethernet
- D. Yi Tai Ethernet port
- E. dial number Interface
Correct Answer: D,E 🗳️
In the BGP MPLS VPN network, which of the following functions need to be supported by the P device ?
- A. MPLS LDP
- B. MPLS
- C. MP -BGP
- D. Road multiple instances of the protocol
Correct Answer: A,B 🗳️
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