H3C GB0-391 Q&A - in .pdf

  • Exam Code: GB0-391
  • Exam Name: Constructing Secure optimized WANs v2.0
  • Updated: Sep 02, 2026
  • Q & A: 468 Questions and Answers
  • PDF Price: $59.99
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H3C GB0-391 Q&A - Testing Engine

  • Exam Code: GB0-391
  • Exam Name: Constructing Secure optimized WANs v2.0
  • Updated: Sep 02, 2026
  • Q & A: 468 Questions and Answers
  • Install on multiple computers for self-paced, at-your-convenience training.
  • PC Test Engine Price: $59.99
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H3C GB0-391 Exam Syllabus Topics:

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

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

Question 1

In the MSR router configuration commands as follows:
qos pql 1 queue top queue-length 1024
qos pql 1 inbound-interface GigabitEthernet0/0 queue top
qos pql 1 protocol ip tcp 1000 queue top
qos pql 1 protocol ip tcp 1001 queue middle
qos pql 1 protocol ip tcp 1002 queue normal
qos pql 1 protocol ip tcp 1003 queue bottom
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos lr outbound cir 10000 cbs 625000 ebs 0
qos pq pql 1
From the interface G0 / 0 into the only access port G0 / 1 forwarding traffic directed include the destination port, respectively 1000 , 1001 , 1002 and 1003 of the TCP packet flow rates of 5Mbps , the other port no flow, then the following statements is correct is ______ ( Choose one or more )

A. destination port of 1002 of 5Mbps TCP packets into the Top queue forward portion
B. destination port of 1002 of 5Mbps TCP packets enter Normal queues are discarded
C. Head of port 1001 of 5Mbps TCP packets into the Middle queues are forwarded
D. feature set is incorrect
E. Head of port 1000 of 5Mbps TCP packets into the Top queues are forwarded
F. destination port of 1003 of 5Mbps TCP packets into the Top queue forward portion
G. destination port of 1003 of 5Mbps TCP packets enter Bottom queues are discarded


Question 2

If the device is employed with a double rate burst single token bucket algorithm for traffic measurement, assume that a moment about a 400 -byte packet arrives, then CBS so that the number of tokens in the token bucket is 300 bytes , The number in the PBS token bucket is 500 bytes, and the message will be marked as

A. exceed the committed rate
B. exceed the peak rate
C. peaks in the rate of value
D. Cheng Connaught the rate


Question 3

The configuration commands on the MSR router are as follows:
acl number 2003
rule 0 permit source 192.168.0.0 0.0.0.255
#
traffic classifier 1operator or
if-match acl 2003
#
traffic behavior 1
filter den
#
qos polic 1
classifier 1behavior 1
#
interface GigabitEthernet0/1
port link-mode route
ip address 192.168.1.1 255.255.255.0
qos appl polic 2 outbound
Then when the source address are 192.168.2.2 , 192.168.0.2 the packets from the port G0 / 1 forwarding outwardly, the following statement is correct ______

A. Forwarding of packets with the source address of 192.168.0.2 is blocked
B. Packets with the source address of 192.168.0.2 are forwarded normally
C. Forwarding of packets with the source address of 192.168.0.2 is blocked
D. Packets with the source address of 192.168.2.2 are forwarded normally


Question 4

In the basic configuration of L2TP in independent LAC mode , the description of the tunnel verification function is correct.

A. tunnel channel request can be verified by the LNS initiated
B. tunnel track verification request only by LAC initiated
C. lack of provincial cases, tunnel authentication is enabled.
D. lack of provincial cases, tunnel authentication is disabled


Question 5

When the user uses the phone, after picking up the phone handle and inputting the called number, which of the following signaling does the ringing of the called phone belong to ______ .

A. monitoring tube signaling
B. to address signaling
C. letter information signaling
D. Call call signaling


Solutions:

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

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