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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: Jul 27, 2026

Q & A: 468 Questions and Answers

GB0-391 Free Demo download:

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GB0-391 PDF Price: $129.00  $59.99


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H3C GB0-391 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Traditional VPN Technologies20%- GRE VPN principle and configuration
- VPN basic concepts and classification
- L2TP VPN principle and configuration
Topic 2: BGP/MPLS VPN15%- MPLS basic concepts and label operation
- BGP/MPLS VPN architecture and deployment
- MPLS LDP protocol
Topic 3: Secure VPN Technologies25%- IPSec VPN architecture, principle and configuration
- SSL VPN architecture and application scenarios
- Data security fundamentals: encryption, integrity, PKI
Topic 4: Overview of Secure and Optimized WAN10%- Key technologies for secure and optimized WAN
- Remote network connection requirements
Topic 5: WAN Optimization and QoS15%- QoS models and service classification
- Congestion management and avoidance
- Traffic policing and shaping
Topic 6: Broadband Access Technologies15%- ADSL/ADSL2+ access technology
- EPON/GPON technology and deployment
- PPPoE principle and configuration

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. Configure the following commands on the MSR router:
qos cql 1 queue 1 serving 1000
qos cql 1 queue 2 serving 2000
qos cql 1 queue 3 serving 500
qos cql 1 queue 4 serving 1500
qos cql 1 protocol ip tcp ftp-data queue 2
qos cql 1 protocol ip udp tftp queue 3
qos cql 1 protocol ip pop3 queue 4
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
duplex full
speed 10
qos cq pql 1
From G0 / 1 forward traffic packets including the Telnet , ftpdata , the TFTP and POP3 flow amounts are 4Mbps , port no other traffic, the TFTP the Data broadband packet can be used is approximately

A) 10%
B) 30%
C) 40%
D) feature set error
E) 20%


2. Among the control messages defined by the MPCP protocol, the one sent by the OLT is ______ .( Choose one or more )

A) Register
B) Report
C) GATE
D) Register_Req
E) Register_Ack


3. PPP link ? Case of compression can reduce the amount of data transmitted, thus indirectly increasing the link throughput

A) portions partial change of header information laws
B) Department of sub-header information remains unchanged
C) contained a large amount of charge in the repeating string that


4. Which of the following descriptions about H.323 terminals is correct is ____ .

A) P pass H.323 terminals may not support the video feature
B) even connected to the PSTN telephone network fax machine is a standard H.323 terminal equipment
C) P through PSTN telephone is a standard H.323 terminal
D) & Poor pass H.323 terminal may not support fax functionality


5. Common VPI/VCI values in ADSL applications include ____ .( Choose one or more )

A) 0/35
B) 0/16
C) 0/32
D) 0/30


Solutions:

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

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