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H3C GB0-391 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Broadband Access Technologies | - Broadband access principles (IPoE, EPON etc.) - WAN access configuration methods |
| Topic 2: Conventional VPN Technologies | - GRE VPN principles and configuration - L2TP VPN concepts and applications |
| Topic 3: Secure Optimized WAN Overview | - WAN architecture and requirements - Enterprise secure WAN fundamental concepts |
| Topic 4: BGP/MPLS VPN | - MPLS core concepts and label forwarding - BGP/MPLS VPN implementation and troubleshooting |
| Topic 5: Secure VPN Technologies | - IPSec VPN architecture and security basics - SSL VPN principles and configuration basics |
| Topic 6: Enhanced Network Security | - Threats and secure network best practices - Network security management methods |
| Topic 7: Quality of Service (QoS) | - Link efficiency and compression technologies - Traffic policing, shaping and congestion techniques |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
1. Which description is correct about L2TP VPN and SSL VPN?
A) are based on UDP encapsulation
B) All support lP access mode
C) Both support Web access
D) All need to install and maintain the client
2. Configure the following commands on the MSR router:
qos cql 1 queue 1 serving 1000
qos cql 1 queue 2 serving 2000
qos cql 1 queue 3 serving 500
qos cql 1 queue 4 serving 1500
qos cql 1 protocol ip tcp ftp-data queue 2
qos cql 1 protocol ip udp tftp queue 3
qos cql 1 protocol ip pop3 queue 4
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
duplex full
speed 10
qos cq pql 1
From G0 / 1 forward traffic packets including the Telnet , ftpdata , TFTP , and POP3 flow amounts are 4Mbps , port no other traffic, the TFTP broadband packet can be used is approximately
A) 30%
B) 40%
C) feature set error
D) 20%
E) 10%
3. An employee of a company often travels on business.In order to facilitate access to company resources, which of the following L2TP access and authentication methods should he use____
A) passenger door LAC mode
B) LNS certification
C) LAC certification
D) alone stand L2TP mode
4. When a PPP frame is encapsulated by adding an L2TP header, it will be marked with the correct Tunnel ID and Session ID to identify its tunnel and session attributes.The Tunnel ID ( tunnel identifier ) in the L2TP header is assigned by ____ , and the Session ID ( session identifier ) is assigned by ____ .
A) to end the LNS , the local LAC
B) This end LAC , the local LAC
C) This end of the LAC , the peer LNS
D) The opposite end LNS , the opposite end LNS
5. The following options belong to the co- side equipment is ____ .
A) access into the switch
B) DSLAM
C) cable modem
D) machine top box
E) access the server
Solutions:
| Question # 1 Answer: B | Question # 2 Answer: E | Question # 3 Answer: A,B | Question # 4 Answer: D | Question # 5 Answer: A,B,E |







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