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H3C GB0-391 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Enhanced Network Security | - Network security management methods - Threats and secure network best practices |
| Secure Optimized WAN Overview | - Enterprise secure WAN fundamental concepts - WAN architecture and requirements |
| Broadband Access Technologies | - Broadband access principles (IPoE, EPON etc.) - WAN access configuration methods |
| Conventional VPN Technologies | - L2TP VPN concepts and applications - GRE VPN principles and configuration |
| Secure VPN Technologies | - SSL VPN principles and configuration basics - IPSec VPN architecture and security basics |
| Quality of Service (QoS) | - Traffic policing, shaping and congestion techniques - Link efficiency and compression technologies |
| BGP/MPLS VPN | - MPLS core concepts and label forwarding - BGP/MPLS VPN implementation and troubleshooting |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
1. Among the broadband access transmission media, the highest achievable transmission rate is ____ .
A) no radio waves
B) optical fiber
C) electric power line
D) Copper quality UTP
E) same coaxial cable
2. Which of the following descriptions of the traditional telephone system is correct is ______ .
A) electrically telephone ringing tone by the remote PBX providing a voltage or central office switches completed, the dial tone is provided by the telephone set voltage accomplished.
B) electrical telephones and facsimile machines belong to the FXS ordinary telephone devices can be connected to a central office switch via an ordinary telephone line FXO interface.
C) electrically telephone subscriber loop access through the PBX or central office switches, are connected to the telephone subscriber loop and the PBX a line between the pair comprising TiP and Ring , wherein TiP ground, Ring then PBX negative electrode.
3. and IKE wild pretty model compared to, IKE main mode which has the following characteristics ?
A) IKE main mode is more secure than aggressive mode
B) In the case where both parties can know the IP address of the initiator in advance and need to use the pre-shared key, only the main mode can be used
C) adopted by IKE main mode negotiation can improve speed
D) IKE main mode can provide authentication
4. In L2TP VPN in, the LAC ( the L2TP Access Concentrator , the L2TP Access Concentrator ) received from the remote system transmitted to the server side lP after the data packet, that the packet will be sent to the respective packages L the NS ( the L2TP the Network Server , L2TP network server ) , the encapsulation format of the data packet transmitted between LAC and LNS is
A) Private network data packet L2TP header PPP header UDP header Public network lP header
B) Private network data packet PPP header UDP header Public network lP header L2TP header
C) Private network data packet PPP header L2TP header UDP header Public network lP header
D) Private network data packet PPP header UDP header L2TP header Public network lP header
5. In the L2TP networking, configure the command to force the CHAP verification between the LNS and the client to be ____ .
A) In the L2TP-group view, configure the command mandator-chap
B) In the L2TP-group view, configure the authentication-mode mandator-chap command
C) In the L2TP-group view, configure the command mandator chap
D) In the global view, configure the command mandator-chap
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: C | Question # 3 Answer: A,D | Question # 4 Answer: C | Question # 5 Answer: A |








