H3C GB0-391 Questions & Answers - in .pdf
- Total Q&A: 468
- Update: Aug 09, 2026
- Price: $59.99
- Vendor: H3C
- Exam Code: GB0-391
- Exam Name: Constructing Secure optimized WANs v2.0
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H3C GB0-391 Q&A - Testing Engine
- Total Q&A: 468
- Update: Aug 09, 2026
- Price: $59.99
- Vendor: H3C
- Exam Code: GB0-391
- Exam Name: Constructing Secure optimized WANs v2.0
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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: 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 basic concepts and label operation
- MPLS LDP protocol
|
| Topic 4: WAN Optimization and QoS | 15% | - Traffic policing and shaping
- Congestion management and avoidance
- QoS models and service classification
|
| Topic 5: Traditional VPN Technologies | 20% | - VPN basic concepts and classification
- GRE VPN principle and configuration
- L2TP VPN principle and configuration
|
| Topic 6: Secure VPN Technologies | 25% | - SSL VPN architecture and application scenarios
- IPSec VPN architecture, principle and configuration
- Data security fundamentals: encryption, integrity, PKI
|
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
1. Use the displa ike peer command to display the following information on the device, and you can know from this information ____ .
KE Peer: 123
exchange mode: aggressive on phase 1
pre-shared-ke simple 123
peer id tpe: name
peer ip address: 10.2.1.1
local ip address:
peer name: aaa
nat traversal: enable
dpd:
A) is not configured for the local security gateway lP address, IKE local gateway negotiation lP address of the interface will use the security policy of the main lP address
B) During the first phase of IKE negotiation, the initiator sends its name to the peer to identify its identity
C) The name of the local security gateway during IKE negotiation is aaa
D) In the IKE negotiation negotiation mode in phase master mode
2. Which of the following messages are used to indicate that the calling party the called call direction request is being processed, no longer receives the call request another call setup signaling message ?
A) Progress
B) Call-proceeding
C) Connecting
D) Alerting
3. Among the following tunneling technologies that do not have the function of data encryption are ______ .
A) IPSec tunnel
B) GRE
C) MPLS-VPN
D) L2TP
4. The ZLB ( Zero-Length Bod ) message is a control message with only an L2TP header, and its function is to serve as an explicit response to ensure reliable delivery of the control message.
In the following four cases, LNS does not send ZLB message to LAC as a response: ____ .
A) After the LNS receives the Hello control message sent by the LAC
B) the LNS received LAC transmit the CDN ( Call-Disconnect- Notif , call disconnection notification ) after the message
C) LNS receives StopCCN ( scop-Control-Connection-Notiflcation ) sent by LAC ; after the message
D) After LNs receive the ICCN ( Incoming-Call-Connectea , call connected ) message sent by LAC
5. In the H.323 protocol, which of the following protocols is used to negotiate the capabilities of both parties ?
A) H.245
B) H.225.0
C) to the answers are right
D) RAS
Solutions:
Question # 1
Answer: A,B | Question # 2
Answer: B | Question # 3
Answer: B,C,D | Question # 4
Answer: A | Question # 5
Answer: A |
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