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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: Secure Optimized WAN Overview | - Enterprise secure WAN fundamental concepts - WAN architecture and requirements |
| Topic 3: BGP/MPLS VPN | - BGP/MPLS VPN implementation and troubleshooting - MPLS core concepts and label forwarding |
| Topic 4: Quality of Service (QoS) | - Traffic policing, shaping and congestion techniques - Link efficiency and compression technologies |
| Topic 5: Secure VPN Technologies | - IPSec VPN architecture and security basics - SSL VPN principles and configuration basics |
| Topic 6: Conventional VPN Technologies | - GRE VPN principles and configuration - L2TP VPN concepts and applications |
| Topic 7: Enhanced Network Security | - Network security management methods - Threats and secure network best practices |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
1. Configure the following commands on the MSR router:
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 5Mbps , the other port no flow, then the following statements is not correct ______ ( Select one or more )
A) destination port of 1001 of 5Mbps TCP packets into the Middle queues are discarded
B) destination port of 1002 of 5Mbps TCP packets enter Normal queues are discarded
C) Head of port 1000 of 5Mbps TCP packets into the Top queues are forwarded
D) destination port of 1003 of 5Mbps TCP packets enter Bottom queues are discarded
E) destination port of 1002 of 5Mbps TCP packets into the Top queue forward portion
F) destination port of 1003 of 5Mbps TCP packets into the Top queue forward portion
2. 802.1p CoS divided the ______ Classes of Service.
A) 16
B) 64
C) 8
D) 32
3. AAA supports ______ authentication methods.
A) Direct access certification
B) This authenticated
C) HWTACACS authorization
D) RADIUS authorization
4. In the H.323 call flow, if two terminals registered to the same gatekeeper use the direct call mode, then
A) Messages such as Setup and Connect are directly exchanged between the two terminals
B) to the answers are right
C) H.245 capability negotiation is completed directly between two terminals
D) Messages such as ARQ and ACF are directly exchanged between the two terminals
5. In the PE on rub see a VPN private network table, can be found through the through MP-BGP routing protocol has learned the end VPN private network by a user, but this time to check the PE at even CE provided apparatus routing table, but It is found that the private network route cannot be learned .Which of the following reasons may be ____ ?
A) The MP-BGP neighbor establishment between PEs is abnormal
B) The interface between the PE and the CE is not bound to the VPN
C) The routing protocol between PE and CE is abnormal, and routing information cannot be exchanged normally
Solutions:
| Question # 1 Answer: A,B,C,D | Question # 2 Answer: C | Question # 3 Answer: A,B,C,D | Question # 4 Answer: A,C | Question # 5 Answer: B |
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