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H3C GB0-391 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Traditional VPN Technologies | 20% | - VPN basic concepts and classification - GRE VPN principle and configuration - L2TP VPN principle and configuration |
| Topic 2: Broadband Access Technologies | 15% | - ADSL/ADSL2+ access technology - EPON/GPON technology and deployment - PPPoE principle and configuration |
| Topic 3: BGP/MPLS VPN | 15% | - BGP/MPLS VPN architecture and deployment - MPLS LDP protocol - MPLS basic concepts and label operation |
| Topic 4: WAN Optimization and QoS | 15% | - Congestion management and avoidance - Traffic policing and shaping - QoS models and service classification |
| Topic 5: Secure VPN Technologies | 25% | - IPSec VPN architecture, principle and configuration - SSL VPN architecture and application scenarios - Data security fundamentals: encryption, integrity, PKI |
| Topic 6: Overview of Secure and Optimized WAN | 10% | - Key technologies for secure and optimized WAN - Remote network connection requirements |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
Congestion occurs in the outbound direction of a certain interface of a certain device.It is observed that the traffic of all its TCP connections continues to oscillate at the same frequency, and the average utilization of bandwidth is greatly reduced.In order to solve the problem of low bandwidth utilization, ______ technology can be used .
- A. RED
- B. Tail discard
- C. LR
- D. WRED
Correct Answer: A,D 🗳️
Which of the following descriptions of MPLS lsr-id is correct is _______ .
- A. lsr-id is unique in MPLS network
- B. lsr-id must be configured to be the same as the Router ID of the LSR
- C. The format of lsr-id is the same as the IP address
- D. lsr-id is used to identify an LSR device in the MPLS network
Correct Answer: A,C,D 🗳️
XZ company requires to build its network based on the modular enterprise network architecture. Z company in Shenzhen and Xi'an each 1 R & D base ; save Beijing and Shanghai have an office building ; save 23 provincial capital cities with more than 50 people in the office ; the 200 has no more than smaller cities 8 small office person ; At any given time, there are usually more than 200 marketing and technical personnel on business trips, and some of them are often located in areas lacking Internet access and can only dial in to the headquarters through the telephone network.Due to environmental and cost issues, some offices cannot access the headquarters through dedicated lines or packet-switched wide area network connections.According to these circumstances, the network module that Z company should have is _____ .
- A. Dial Number Access
- B. VPN access
- C. large type branch network
- D. An all-authentication
Correct Answer: A,B 🗳️
The means of business isolation in the local area network are ______ .
- A. VLAN
- B. mixed together port
- C. PVP
- D. Super VPN
Correct Answer: A,B,C,D 🗳️
The following options belong to CPE are
- A. access the server
- B. DSLAM
- C. machine top box
- D. cable modem
- E. access into the switch
- F. Wide Router
Correct Answer: A,B,E 🗳️
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