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| Section | Objectives |
|---|---|
| Topic 1: Campus Network Fundamentals | - Typical campus network deployment models - Enterprise campus network architecture principles |
| Topic 2: Network Security Design | - Access control strategies - Campus security architecture considerations |
| Topic 3: Presales Solution Design | - Customer requirement analysis - Solution proposal and design methodology |
| Topic 4: Huawei Campus Network Solutions | - CloudCampus solution architecture - iMaster NCE-Campus management platform |
| Topic 5: Switching and Routing in Campus Networks | - VLAN and segmentation design - Layer 2 and Layer 3 design principles |
| Topic 6: WLAN Planning and Design | - Capacity and performance design considerations - Wireless coverage planning |
H19-404_V1.0学習教材を選択し、当社の製品を適切に使用する場合、H19-404_V1.0試験に合格し、H19-404_V1.0認定を取得することをお約束します。そうすれば、あなたは段階的に社会的影響力と成功の大きなレベルに前進するチャンスがたくさんあることに気付くでしょう。 H19-404_V1.0ガイド急流は、H19-404_V1.0試験問題を確認できるコンサートを除外するために、すべての受験者に無料デモを提供することもできます。 H19-404_V1.0学習ガイドがお気に召されると思います。
質問 # 55
Which 5G-Advanced capabilities does the AR5710-S8T1XWE-NRGL support?
正解：A、B、C、D
解説：
The AR5710-S8T1XWE-NRGL supports all four listed 5G-Advanced capabilities. Support for 3GPP Release
16 enables enhanced 5G New Radio functions and provides the standards foundation for improved mobile- WAN capacity, reliability, and service performance.
Carrier aggregation combines multiple component carriers to increase available throughput. Downlink 3CC allows three component carriers to be aggregated for received traffic, while uplink 2CC combines two carriers for transmitted traffic. This is valuable for high-bandwidth branch access, video backhaul, and mobile private- network scenarios.
Support for eight APNs permits multiple logically separated mobile services or provider profiles to be configured. Different APNs can represent enterprise services, management traffic, production systems, backup connectivity, or isolated customer networks. Global-frequency-band support improves deployment flexibility across countries and carrier networks, subject to local spectrum regulation and the supported modem variant.
Huawei SD-WAN can use 5G as a primary, secondary, or bypass link and supports combinations such as dual
5G and 5G plus wired connectivity for service assurance. Therefore, NR Release 16, carrier aggregation, eight APNs, and global frequency bands are all supported.
質問 # 56
Which of the following slicing modes are supported?
正解：A、B、C、D
解説：
All four listed classification dimensions are supported slicing approaches in the relevant campus and SD- WAN context. A slice can be created from traffic characteristics, including a 5-tuple or an identified application, so selected flows receive dedicated forwarding, bandwidth, security, or quality policies. Huawei supports customized application identification using URLs and IP 5-tuple information, as well as application- and 5-tuple-based traffic steering and QoS.
VPN- or VN-based slicing provides logical Layer 3 isolation. Huawei's SD-WAN design maps each VN to an independent VPN instance or VRF and permits different overlay topologies, routing configurations, and policies. User-group-based slicing associates network treatment with identity or security-group membership rather than a permanently assigned IP address, supporting free mobility and consistent policy when users move. Huawei's campus architecture applies different permissions to different user groups inside a VN.
VLAN- or port-based slicing classifies traffic by the local access attachment and is useful for fixed terminals or environments without identity authentication. Therefore, A, B, C, and D are all correct.
質問 # 57
A label stack is an ordered set of labels. MPLS supports a maximum of three layers of nested labels.
正解：B
解説：
The statement is false. An MPLS label stack is an ordered sequence of label-stack entries, with the top label processed first and the bottom identified by the Bottom-of-Stack bit. However, the MPLS architecture does not define a universal maximum of three nested labels. An MPLS forwarding operation may replace the top label, remove it, or push one or more additional labels onto the stack.
Practical label depth is constrained by device implementation, forwarding ASIC capabilities, packet size, and the number of network functions being encoded. A conventional MPLS VPN may use two labels: a transport label and a VPN label. More advanced deployments can add labels for traffic engineering, segment routing, entropy, service chaining, or hierarchical transport. This can produce stacks deeper than three entries.
Therefore, "three layers" may describe a limitation of a particular platform, software version, or deployment design, but it is not an MPLS protocol maximum. RFC 3032 defines the stack as a sequence of four-byte entries and explicitly allows one or more entries to be pushed without specifying a three-label ceiling.
質問 # 58
Which of the following statements are true about predefined security zones on a firewall?
正解：A、B、C
解説：
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.
質問 # 59
What is the function of the PROFINET DCP?
正解：C
解説：
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.
質問 # 60
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