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H3C GB0-391 Exam Overview:
| Certification Vendor: | H3C |
|---|---|
| Exam Name: | H3C Constructing Secure Optimized WANs v2.0 |
| Exam Number: | GB0-391 |
| Available Languages: | English |
| Recommended Training: | H3C Training Resources |
| Exam Registration: | H3C Certification Portal |
| Sample Questions: |  |
| Official Syllabus URL: | https://www.h3c.com/en/ |
H3C GB0-391 Exam Syllabus Topics:
| Section | Objectives |
|---|---|
| Topic 1: Enterprise WAN Deployment and Management | - Monitoring and troubleshooting WAN networks - WAN deployment models |
| 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 |
Common Questions About the H3C GB0-391 Exam
The GB0-391 exam, officially known as H3C Constructing Secure optimized WANs v2.0, is the H3C test that leads to the H3C Certified Network Engineer (HCNE) / WAN Security & Optimization Track certification. Passing it validates the skills employers expect from a certified professional.
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The official H3C Constructing Secure optimized WANs v2.0 outline is organized into 4 domains. The first three are:
- WAN Optimization Technologies
- Secure WAN Construction
- WAN Fundamentals and Architecture
See the complete exam topics section above for the full outline and the weighting of every domain.
H3C Constructing Secure optimized WANs v2.0 Sample Questions:
Regarding the echo in the VoIP telephone system, which of the following descriptions are correct ?
- A. back sound into electrical echo and acoustic echo, electrical echo conventional telephone systems is mainly due to two, four-wire transducer impedance mismatch caused by
- B. language voice gateway equipment itself does not bring new echo, but the IP network to bring network latency, increasing the echo time delay, leading to the original feel of the echo in VoIP become energy network The echo of being felt.
- C. In VoIP networks, echo is related to the choice of encoding.The greater the compression ratio, the greater the relative echo in the network.
- D. speech voice gateway device when performing analog to digital conversion may introduce echo, an echo suppression function but can be configured to reduce the impact on the voice gateway.
Which of the following descriptions about L2TP tunnel ( Tunnel ) and L2TP session ( Session ) are correct is ____ .( Choose one or more )
- A. L2TP session can be carried out before L2TP tunnel is established
- B. The L2TP session must be carried out after the L2TP tunnel is established
- C. with one pair of LNS and LAC can establish one or more between the L2TP tunnel
- D. with one pair of LNS and LAC can only be established between a L2TP tunnel
In the GRE Tunnel interface view, the complete command to configure the tunnel encapsulation mode to GRE is
- A. tunnel gre
- B. protocol gre
- C. t unnel-protocol gre
- D. tunnel protocol gre
According to Nquist 's theorem, the telephone system samples human voice ______ times per second in order to fully express the characteristics of the voice signal.( Fill in Arabic numerals )
8000
Which statements about the PKI workflow are correct?
- A. Certificate book by the CA issued
- B. permit book application made by the entity
- C. solid body identity reviewed by RA completed
- D. solid body needs to revoke the certificate RA application
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