GB0-391 dumps materials - exam dumps for GB0-391: Constructing Secure optimized WANs v2.0

H3C Constructing Secure optimized WANs v2.0 - GB0-391 certification

Exam Code: GB0-391

Exam Name: Constructing Secure optimized WANs v2.0

Updated: Aug 15, 2026

Q & A: 468 Questions and Answers

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H3C GB0-391 Exam Syllabus Topics:

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

H3C Constructing Secure optimized WANs v2.0 Sample Questions:

1. If each of the teams it corresponds to a type of packets, the transmission ratio of the amount of each queue is sequentially increased, both 1: 2: 3: ...: most large number of queues, assume that the application speed of the schedule port If it is 100Mbps , then when each queue corresponds to a message that is forwarded at a speed of 20Mbps after the port is congested.Of 7 broadband packet queue corresponds may be used about as ______

A) 5.26%
B) 5.14%
C) 4.61%
D) 5.88%


2. 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 3Mbps , other background traffic 4Mbps , other interfaces no flow, then the following claims The correct one is ______ ( choose one or more
Item )

A) Head of port 1000 of TCP packet forwarding rate of 3Mbps
B) with opposing bad
C) Head of the port 1002 of TCP packet forwarding rate of 3Mbps
D) back background traffic packets into the Bottom queue, forward speed of about 0.5Mbps
E) Head of port 1001 of TCP packet forwarding rate of 3Mbps
F) Head of port 1003 of TCP packet forwarding rate of 1Mbps


3. There are ______ methods for user authentication and authorization when logging in to network equipment .

A) RADIUS authentication and authorization
B) This authenticated authorization
C) CA certification and authorization
D) HWTACAC authentication and authorization


4. and IKE wild pretty model compared to, IKE main mode which has the following characteristics ?

A) IKE main mode can provide authentication
B) IKE main mode is more secure than aggressive mode
C) In the case where both parties can know the IP address of the initiator in advance and need to use the pre-shared key, only the main mode can be used
D) adopted by IKE main mode negotiation can improve speed


5. The correct statement about malformed message defense is ______ .

A) abnormal shaped TCP packet attack by TCP attacks flag is set to a specific value of the packets
B) The ping of death attack uses oversized packets to attack
C) To defend against malformed message attacks, it is necessary to conduct targeted defense against the characteristics of each attack
D) Teardrop attacks use the loopholes of overlapping movement during UDP packet reassembly to attack


Solutions:

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

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