Free H19-301_V3.0: HCSA-Presales-IP Network Certification V3.0 Exam Questions and Answers
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Last updated: September 19, 2026
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Question #1
Typical transport layer protocols include TCP and UDP. Which of the following is not a characteristic of TCP?
Please select an optionIncorrectCorrect answer: A
TCP (Transmission Control Protocol) is a connection-oriented protocol with several key characteristics: Connectionless : This is not a characteristic of TCP. TCP establishes a connection before transmitting data using a three-way handshake. Flow control and window mechanism : TCP uses flow control and sliding window mechanisms to manage data transmission rates and prevent buffer overflow. Connection-oriented : TCP establishes, maintains, and terminates connections between endpoints. Reliable transmission : TCP ensures reliable delivery of data through acknowledgments, retransmissions, and error detection. UDP, not TCP, is a connectionless protocol. Therefore, the correct answer is A . References: Huawei Transport Layer Protocols Overview, HCSA-Presales-IP Network Documentation.
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Which of the following Huawei products is best suited to defend against application-layer DDoS attacks?
Please select an optionIncorrectCorrect answer: C
AntiDDoS is Huawei's dedicated product for detecting and mitigating DDoS attacks, including application-layer floods. USG6000E is a next-generation firewall, FireHunter is a sandbox, and HiSec Insight is a security analytics platform, so the correct answer is C.
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Huawei iMaster NCE is a network automation and intelligence platform. Except for AI, which functions does Huawei iMaster NCE integrate?
Select 3 answers.
Please select an optionIncorrectCorrect answer: A, C, D
Huawei iMaster NCE integrates management, control and analysis (plus AI) capabilities in one platform. Routing itself is performed by network devices, not by iMaster NCE.
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Which of the following statements are TRUE about Huawei's wireless backhaul solution for rail transportation?
Select 3 answers.
Please select an optionIncorrectCorrect answer: A, B, D
Comprehensive and Detailed in Depth Explanation: Huawei's wireless backhaul solution for rail transportation is designed to provide high reliability and low latency for mission-critical applications such as train control systems. Option A: The handover delay in Huawei's solution can indeed be as low as 30 ms. This ensures seamless connectivity during transitions between base stations, which is crucial for real-time applications like train control signaling. Option B: The solution supports carrying train control signal systems, ensuring safe and efficient operations. Option C: This statement is incorrect. Huawei's wireless backhaul solution supports high- speed mobility, including trains traveling at speeds up to 160 km/h or higher, without losing connectivity. Option D: Active-active links are a key feature of the solution, providing redundancy and ensuring high reliability even in challenging environments. References: Huawei HCSA-Presales-IP Network Documentation: Wireless Backhaul Solutions for Rail Transportation Huawei Case Studies: Rail Transportation Networks
Was this answer correct?Question #5
The SD-WAN multi-fed and selective receiving technology applies only to 5G links.
Please select an optionIncorrectCorrect answer: B
Huawei's SD-WAN multi-fed and selective receiving technology is not limited to 5G links; it can be applied to MPLS, Internet, LTE and 5G links to improve reliability by sending packets over multiple links and receiving the first copy that arrives.
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The Adaptive Security Engine (ASE) is used to dynamically allocate CPU resources to service modules, maximizing resource utilization. In addition, component- based function delivery is available.
Please select an optionIncorrectCorrect answer: A
The Adaptive Security Engine (ASE) in Huawei firewalls dynamically allocates CPU resources to service modules based on real-time demand, maximizing resource utilization, and supports component-based function delivery. The statement is TRUE.
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What are the three types of resources connected to the data center network?
Select 3 answers.
Please select an optionIncorrectCorrect answer: A, B, C
A data center network connects three types of resources: storage, high-performance computing and general-purpose computing.
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As one of the important advantages of Huawei L3 autonomous driving solution, quick intelligent O&M improves network performance. Which options are the capability of Huawei intelligent O&M to improve network performance?
Select 3 answers.
Please select an optionIncorrectCorrect answer: A, B, C
Huawei's L3 autonomous driving network solution improves network performance through intelligent O&M: precise fault analysis, intelligent network optimization and real-time experience visualization.
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Which of the following are involved in the evolution phases for a typical data center?
Select 4 answers.
Please select an optionIncorrectCorrect answer: A, B, C, D
Typical data centers evolved through centralized, distributed, virtualization and multi-site/multi-cloud phases, so all four options are evolution phases.
Was this answer correct?Question #10
Which of the following switches does not support two power modules?
Please select an optionIncorrectCorrect answer: A
Power Module Support in Huawei Switches: Many Huawei switches are designed with dual power module slots to ensure redundancy and reliability. However, some lower-end models may not support this feature. Analysis of Each Switch: S5736-S24T4XC:This switch supports dual power modules for redundancy. S5732-H:This switch also supports dual power modules. S5731-S24P4X:This switch supports dual power modules. S5735-L:This switch is a lower-end model anddoes not support dual power modules, making it less suitable for environments requiring high reliability. Conclusion:The S5735-L series switch does not support two power modules. References: HCSA-Presales-IP Network V3.0 Training Material, Chapter 6: Switch Product Portfolio. Huawei Campus Switch Product Documentation.
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Other Huawei certifications
- H19-301: Huawei Certified Pre-sales Associate-IP Network(Datacom)-ENU (opens in a new tab)
- H12-831: HCIP-Datacom-Advanced Routing & Switching Technology (opens in a new tab)
- H12-211: HCIA Routing&Switching (opens in a new tab)
- H13-611: HCNA-Storage-BSSN (Huawei Certified Network Associate - Building the Structure of Storage Network) (opens in a new tab)
- H12-891: HCIE-Datacom (opens in a new tab)
- H12-711: HCNA-Security-CBSN (Huawei Certified Network Associate - Constructing Basic Security Network) (opens in a new tab)
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