Constructing Secure optimized WANs v2.0: GB0-391 Exam
"Constructing Secure optimized WANs v2.0", also known as GB0-391 exam, is a H3C Certification. With the complete collection of questions and answers, PrepPDF has assembled to take you through 468 Q&As to your GB0-391 Exam preparation. In the GB0-391 exam resources, you will cover every field and category in H3CSE-Routing & Switching Certification helping to ready you for your successful H3C Certification.
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- Exam Code: GB0-391
- Exam Name: Constructing Secure optimized WANs v2.0
- Certification Provider: H3C
- Corresponding Certification: H3CSE-Routing & Switching
- Updated: Sep 23, 2026
- No. of Questions: 468 Questions & Answers with Testing Engine
- Download Limit: Unlimited
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H3C GB0-391 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Enterprise WAN Deployment and Management | - Monitoring and troubleshooting WAN networks - WAN deployment models |
| Secure WAN Construction | - VPN technologies and encryption basics - WAN security policies and access control |
| WAN Optimization Technologies | - Traffic optimization and QoS principles - Application acceleration techniques |
| WAN Fundamentals and Architecture | - WAN technologies overview - Enterprise WAN design principles |
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
The following means to ensure data integrity are _____ .
- A. Number of digital signature
- B. for said encrypted
- C. Number of word summary
- D. Non symmetric encryption
Correct Answer: A,C 🗳️
Configure the following commands on the MSR router:
qos rtpq start port 16384end-port 32767bandwidth1000cbs25000
Then what is incorrect in the following statement is
- A. start-por and end-port are configured with TCP port numbers
- B. provided apparatus applied RTPQ queue
- C. its configured start-port port number as the source port number, End Port- port number and destination port number
- D. start-por and end-port are configured with UDP port numbers
Correct Answer: A,C 🗳️
Which of the following descriptions of the traditional telephone system is correct is ______ .
- A. pass the real machine is FXS ordinary telephone devices can be connected to the central office switch via an ordinary telephone line FXO interface.
- B. Electric as telephone ringing tone dial tone, is a pair of end PBX to provide voltage and central office switches completed.
- C. electrically telephone subscriber loop access through the PBX or central office switches, are connected to the telephone subscriber loop and the PBX a line between the pair comprising TiP and Ring , wherein Ring ground, TiP then PBX negative electrode.
Correct Answer: B 🗳️
Based on SOA network architecture to enterprise IT systems into which of the following levels ? ( Select one or more )
- A. should application layer
- B. will then layer
- C. mesh network layer
- D. base infrastructure layer
Correct Answer: A,D 🗳️
The interconnection between ordinary telephones , PBXs and other devices has a unified interface standard, including analog interfaces and digital interfaces.The following belong to the digital voice interface is ______ .
- A. T1
- B. FXS
- C. FXO
- D. E1
Correct Answer: B,C 🗳️
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