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| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Scenario-based Campus Network Design | 25% | - Small and medium-sized campus network design - Cloud-managed and virtualized campus network design - Large campus and multi-branch interconnection design |
| Topic 2: Huawei Campus Network Solutions and Products | 20% | - iMaster NCE-Campus management platform - Switches, WLAN products and AR routers - Xinghe Intelligent Campus Solution overview |
| Topic 3: Solution Promotion and Project Implementation | 15% | - Solution value analysis and competitive differentiation - Deployment guidance and acceptance criteria |
| Topic 4: Campus Network Planning and Design Fundamentals | 15% | - Network design principles and methodologies - Campus network architecture and evolution - Service requirements and demand analysis |
| Topic 5: Campus Network Technology Design | 25% | - VLAN, IP addressing and routing design - WLAN planning, coverage and roaming design - QoS, security and high availability design |
>> New H19-404_V1.0 Test Notes <<
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NEW QUESTION # 54
Which of the following SM-series cryptographic algorithms is supported?
Answer: C
Explanation:
SM4 is the supported SM-series cryptographic algorithm intended by this question. SM4 is a standardized symmetric block cipher that uses a 128-bit block size and a 128-bit key. It is suitable for high-volume data encryption because symmetric cryptography can process service traffic efficiently compared with public-key algorithms.
Within an SD-WAN or IPsec context, the bulk traffic carried through secure data channels requires a symmetric encryption algorithm. SM4 can therefore be used as the encryption component of an approved cryptographic suite where compliance with Chinese commercial cryptography requirements is necessary.
SM2 is an asymmetric public-key cryptographic suite used for functions such as digital signatures, key exchange, and public-key encryption. It is not the bulk data-encryption algorithm requested in this item. SM1 is a restricted proprietary algorithm whose implementation details are not publicly standardized in the same manner, while SM5 is not the supported option represented by the Huawei course question.
Huawei's SD-WAN architecture uses IPsec to protect site-to-site services and supports secure GRE-over- IPsec data channels between edge devices. In the SM-series selection presented here, the correct supported traffic-encryption algorithm is SM4.
NEW QUESTION # 55
What is the function of the PROFINET DCP?
Answer: D
Explanation:
PROFINET DCP, meaning Discovery and Basic Configuration Protocol, is used during device discovery and initial network configuration. It operates at the data-link layer and enables an engineering station or PROFINET IO controller to locate devices on the local Ethernet segment, identify them by MAC address or station name, assign a PROFINET device name, and configure IP parameters such as the IP address, subnet mask, and default gateway.
DCP is therefore not responsible for normal cyclic process-data exchange. Real-time PROFINET communication performs that function after the controller and I/O device have been configured and an application relationship has been established. Alarm exchange and acyclic parameterization are also handled through other PROFINET communication relationships and services.
The distinction matters during commissioning. A new I/O device may initially have no usable IP configuration. DCP allows the controller or engineering tool to discover it at Layer 2 and provision the identity and addressing information required before higher-layer communication can begin. PROFINET documentation identifies DCP as mandatory for assigning IP addresses and configuring station names on the local network.
NEW QUESTION # 56
Which of the following WLAN networking solutions is recommended when there are 15,000 wireless terminals on the customer network?
Answer: C
Explanation:
A network serving 15,000 wireless terminals is a large-scale WLAN and should use a standalone WAC solution. A dedicated WAC provides independent controller resources, scalable AP and user management, centralized WLAN policy control, and the ability to deploy controller redundancy without tying wireless- control capacity directly to a specific core-switch service card.
Huawei recommends a standalone WAC when the wireless network scale is large or when the wireless network is deployed independently over an existing wired campus. The WAC is typically connected to the aggregation or core layer in off-path mode, and VRRP hot standby can be used to improve reliability.
Native WAC solutions are valuable for unified wired and wireless management, authentication, forwarding, and policy enforcement. However, for a very large number of wireless terminals, the controller platform must be selected according to user, AP, traffic, and forwarding-capacity specifications. A standalone WAC allows the wireless control plane to be sized and expanded independently.
Option C provides the dedicated WAC together with the required core and aggregation or access infrastructure. Therefore, it is the recommended architecture for 15,000 wireless terminals.
NEW QUESTION # 57
If multiple Internet links are available, these links cannot be prioritized and can only be load-balanced.
Answer: A
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 # 58
Which of the following statements are true about predefined security zones on a firewall?
Answer: A,B,D
Explanation:
Huawei firewalls provide four commonly predefined security zones: Local, Trust, DMZ, and Untrust. The Local zone represents the firewall itself, including traffic generated by or destined for the device, and has the highest default security priority of 100. The Trust zone normally represents an organization's protected internal network and has a default priority of 85, not 95. Therefore, option C is false.
The DMZ typically hosts public-facing or semi-trusted resources, such as web, email, and application servers.
Its default priority is 50, placing it between the trusted internal network and the external untrusted network.
The Untrust zone normally represents the Internet or another uncontrolled network and has the lowest predefined priority of 5.
Zone priority expresses the relative security level used to classify inbound and outbound traffic direction; it does not independently permit traffic. Security policies still determine whether matched traffic is allowed or denied. Huawei's SD-WAN design uses Trust and Untrust zones on CPEs, and iMaster NCE can orchestrate the corresponding zones and firewall policies for Internet-access protection.
NEW QUESTION # 59
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