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H3C H3CSE-Routing & Switching GB0-391

GB0-391

Exam Code: GB0-391

Exam Name: Constructing Secure optimized WANs v2.0

Updated: Aug 06, 2026

Q & A: 468 Questions and Answers

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H3C GB0-391 Exam Syllabus Topics:

SectionObjectives
Topic 1: WAN Fundamentals and Architecture- WAN technologies overview
- Enterprise WAN design principles
Topic 2: Enterprise WAN Deployment and Management- Monitoring and troubleshooting WAN networks
- WAN deployment models
Topic 3: WAN Optimization Technologies- Application acceleration techniques
- Traffic optimization and QoS principles
Topic 4: Secure WAN Construction- WAN security policies and access control
- VPN technologies and encryption basics

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. In the H.323 call flow, if two terminals registered to the same gatekeeper adopt the direct call mode, then

A) to the answers are right
B) Messages such as ARQ and ACF are directly exchanged between the two terminals
C) H.245 capability negotiation is completed directly between two terminals
D) Messages such as Setup and Connect are directly exchanged between the two terminals


2. To clear ike to establish a secure tunnel, which of the following commands should be used ?

A) reset ike sa
B) reset ike tunnel
C) reset ike
D) reset ipsec sa


3. Which statement about WFQ is correct?

A) can use WRED congestion avoidance control
B) feature set WFQ function can be arranged as required command in system view QoS wfq dscp queue-length 64 queue -number 64
C) with the same group only depending on the IP precedence or DSCP different priority queues assigned
D) phase only according to the same group of different IP priorities are assigned different queues
E) phase only according to the same group of different DSCP priority assigned different queues


4. IP header ToS field provides a ______ one IP Precedence priority.

A) 32
B) 8
C) 64
D) 16


5. SSL ( Securit Sockets Laer , Secure Sockets Layer ) protocol handshake layer which includes several of the following protocol modules ?

A) will then maintenance agreement
B) secret key change protocol
C) shake hands Agreement
D) told police protocol


Solutions:

Question # 1
Answer: C,D
Question # 2
Answer: A
Question # 3
Answer: B,D,E
Question # 4
Answer: B
Question # 5
Answer: B,C,D

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