2026 Authoritative H19-404_V1.0 Valid Vce Dumps | H19-404_V1.0 100% Free New Exam Pdf

Published on October 30, 2026

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Huawei HCSE-Presales-Campus Network Planning and Design V1.0 Sample Questions (Q16-Q21):

NEW QUESTION # 16\ If multiple Internet links are available, these links cannot be prioritized and can only be load-balanced.

A. True
[B. False]{style="COLOR: red"}

Answer: B

Explanation:\ The statement is false because Huawei SD-WAN supports both priority-based link selection and load balancing. Multiple Internet or WAN links do not have to be treated equally. An administrator can define a preferred or primary link and designate another link as secondary or backup according to application requirements, link quality, cost, bandwidth, or operational policy.\ For delay- and packet-loss-sensitive services such as voice and video, a higher-quality link can be configured as the primary path and another link as the backup. If the primary link no longer satisfies the configured SLA thresholds, traffic can be dynamically switched to a better path. Huawei\'s material explicitly describes primary and secondary link selection based on SLA and also presents load-balancing-based steering as a separate option.\ Load balancing is useful when an enterprise wants to utilize the bandwidth of multiple links concurrently.\ Priority-based active/standby forwarding is preferable when one provider offers better quality or when one circuit should be reserved for critical services. Intelligent traffic steering can additionally consider application priority and current bandwidth utilization. Therefore, multiple links can be prioritized, load-balanced, or used in a policy-controlled combination, making option B correct.

NEW QUESTION # 17\ Which of the following can be determined through a survey of the terminal types on a customer\'s network?

A. Network architecture
B. Network access solution
C. Network O & M solution
[D. Network admission control solution]{style="COLOR: red"}

Answer: D

Explanation:\ A terminal-type survey primarily determines the appropriate network admission control solution. Different terminal categories have different authentication capabilities and security requirements. Corporate laptops may support 802.1X authentication, guests may require Portal authentication, and printers, cameras, sensors, and other dumb terminals commonly require MAC-address authentication or automatic terminal identification.\ Huawei recommends selecting authentication technologies according to the terminal type and usage scenario.\ For example, access switches can serve as authentication points for wired dumb terminals, while APs or other access devices can perform authentication for wireless users. After terminal identification is enabled, iMaster NCE-Campus can automatically assign VLANs, ACLs, security groups, QoS parameters, and other authorization policies according to terminal category.\ The survey therefore establishes which endpoints support interactive authentication, which require non- interactive admission, and which must receive special isolation or compliance policies. It does not independently determine the complete physical network architecture or the overall O & M platform.\ Consequently, the terminal survey is used to formulate the network admission control solution, making option C correct.

NEW QUESTION # 18\ Which of the following statements is false about the energy-saving function of the digital map?

A. It automatically recommends energy-saving periods.
B. It displays the energy consumption of network-wide devices.
C. It automatically powers off some wireless APs during energy-saving periods.
[D. It automatically powers off switches.]{style="COLOR: red"}

Answer: D

Explanation:\ Option C is false. The digital-map energy-saving function provides network-wide energy visibility, identifies periods of low wireless demand, and recommends appropriate energy-saving time windows. During an approved energy-saving period, selected wireless APs or radio resources can be placed into an energy-saving state after the system evaluates coverage, traffic, and capacity requirements.\ Automatically powering off switches is not the intended function. Campus switches may carry essential wired services, provide uplinks for other network devices, and supply PoE power to APs, cameras, phones, sensors, and access-control systems. Automatically shutting down a complete switch could therefore interrupt many unrelated services and potentially disconnect downstream network segments.\ Huawei identifies low-carbon and energy-saving operation as a characteristic of cloud campus networks and combines this objective with AI-based intelligent O & M and proactive optimization. Its intelligent O & M architecture analyzes AP load trends and performs predictive wireless-network optimization, providing the analytical foundation for selecting safe energy-saving periods and resources.\ Therefore, A, B, and D describe supported digital-map energy-saving capabilities. Automatic switch power- off is the false statement, making C correct.

NEW QUESTION # 19\ Which of the following statements is false?

A. Traditional QoS technologies can provide differentiated services to meet the requirements of voice, video, and data services.
B. Traditional QoS schedules traffic based on interface bandwidth, allowing services to be differentiated by service level. However, it is difficult to differentiate services by user. Therefore, traditional QoS is typically applied at the core layer rather than the access layer.
[C. Traditional QoS can manage or schedule traffic of multiple services for multiple users simultaneously.]{style="COLOR: red"}
D. Hierarchical Quality of Service (HQoS) uses queue-based hierarchical scheduling to provide fine- grained quality assurance for services of different users.

Answer: C

Explanation:\ Option C is false. Traditional QoS can classify traffic and provide differentiated treatment for service categories such as voice, video, and ordinary data. It normally performs classification, marking, policing, shaping, congestion avoidance, and queue scheduling on an interface. This provides service-level differentiation but does not deliver sufficiently refined simultaneous management across multiple users and multiple applications.\ Huawei\'s material explicitly states that traditional QoS schedules traffic based on port bandwidth and can differentiate traffic according to service levels, but it is difficult to distinguish traffic by user. It also states that traditional QoS cannot manage and schedule traffic from multiple services and multiple users simultaneously.\ HQoS addresses this limitation through hierarchical, multi-level queues. For example, a parent level can allocate bandwidth to departments, VPNs, sites, or users, while child queues prioritize applications such as voice, video, email, and best-effort traffic. Huawei describes HQoS as hierarchical scheduling that differentiates both services and users. Therefore, statements A, B, and D are correct, while statement C incorrectly attributes an HQoS capability to traditional QoS.

NEW QUESTION # 20\ Which of the following statements is true about MACsec?

[A. It commonly uses hardware-based encryption.]{style="COLOR: red"}
B. All of the above.
C. It removes the requirement for Layer 2 connectivity between MACsec peers.
D. It always requires complex manual configuration.

Answer: A

Explanation:\ Hardware-based encryption is the unambiguously correct statement. MACsec protects Ethernet frames at Layer 2 using AES-GCM-based authenticated encryption. On enterprise switches and routers, the encryption and integrity operations are commonly implemented in forwarding ASICs or dedicated hardware so that frames can be protected at high throughput with low latency.\ Option A is incorrect because complex manual configuration is not an inherent requirement. MACsec can use manually configured connectivity-association keys, but IEEE 802.1X MACsec Key Agreement can automate peer authentication, secure-channel establishment, key distribution, and rekeying. The operational complexity therefore depends on the deployment model and management platform.\ Option C is also inaccurate. MACsec is media-independent, meaning it can operate over supported copper or fiber Ethernet; however, it does not eliminate the requirement for appropriate Layer 2 connectivity between participating MACsec entities. Standard hop-by-hop MACsec protects Ethernet links or LAN connectivity between peers and is not a general Layer 3 tunneling mechanism.\ MACsec supplies Layer 2 confidentiality, integrity, origin authentication, and replay protection. Its encryption can be performed directly in network-device hardware, enabling substantially better forwarding performance than software-only encryption implementations.

NEW QUESTION # 21\ ......

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