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H3C GB0-391 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Overview of Secure and Optimized WAN | 10% | - Remote network connection requirements - Key technologies for secure and optimized WAN |
| Topic 2: Traditional VPN Technologies | 20% | - GRE VPN principle and configuration - VPN basic concepts and classification - L2TP VPN principle and configuration |
| Topic 3: BGP/MPLS VPN | 15% | - MPLS LDP protocol - BGP/MPLS VPN architecture and deployment - MPLS basic concepts and label operation |
| Topic 4: Broadband Access Technologies | 15% | - PPPoE principle and configuration - ADSL/ADSL2+ access technology - EPON/GPON technology and deployment |
| Topic 5: WAN Optimization and QoS | 15% | - Traffic policing and shaping - QoS models and service classification - Congestion management and avoidance |
| Topic 6: Secure VPN Technologies | 25% | - IPSec VPN architecture, principle and configuration - Data security fundamentals: encryption, integrity, PKI - SSL VPN architecture and application scenarios |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
Which of the following statements about IPSec and IKE is correct is ____ .( Choose one or more )
- A. IKE is only responsible for providing security keys for IPSec establishment and does not participate in IPSec SA negotiation
- B. After IPSec SA is established, data forwarding has nothing to do with IKE
- C. IPSec can only establish a security association through cooperation with IKE
- D. IKE only with IPSec in conjunction
Correct Answer: B 🗳️
There are ______ methods for user authentication and authorization when logging in to network equipment .
- A. CA certification and authorization
- B. RADIUS authentication and authorization
- C. This authenticated authorization
- D. HWTACAC authentication and authorization
Correct Answer: B,C,D 🗳️
In the SIP network, which of the following devices belong to UA?
- A. connected to a common voice on the gateway PSTN phone
- B. language voice gateway
- C. SIP server
- D. IP phone
Correct Answer: B,D 🗳️
On what device in the MPLS network does the MPLS forwarding medium voltage label ( PUSH ) operation occur ?
- A. The packet enters the MPLS network at the LER on device
- B. On all LSR devices in the middle of the MPLS network
- C. On all devices of the MPLS network
- D. The packet leaves the MPLS network address LER on device
Correct Answer: A 🗳️
In the H.323 call flow, if two terminals registered to the same gatekeeper adopt 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
Correct Answer: A,C 🗳️
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