GoShikenのサイトでは、あなたがHuaweiのH19-404_V1.0認定試験を気楽に準備することができますし、普通なミスを避けるのもできます。GoShikenのHuaweiのH19-404_V1.0試験トレーニング資料は高度に認証されたIT領域の専門家の経験と創造を含めているものです。それは正確性が高くて、権威性も高いです。GoShikenは君にとって、ベストなチョイスだといっても良いです。
| Section | Objectives |
|---|---|
| Topic 1: Industry Scenario Solution Design | - Industry-Oriented Campus Solutions
|
| Topic 2: Campus Network Solution Architecture and Design | - Enterprise Campus Network Architecture
|
| Topic 3: Campus Network Security Design | - Security Planning
|
| Topic 4: Campus SD-WAN Planning and Design | - SD-WAN Solutions
|
| Topic 5: Huawei Campus Network Products and Solutions | - Campus Network Product Portfolio
|
| Topic 6: CloudCampus and Intelligent Campus Solutions | - CloudCampus Architecture
|
| Topic 7: Pre-sales Methodology and Solution Presentation | - Pre-sales Skills
|
| Topic 8: Campus WLAN Planning and Design | - WLAN Technologies
|
IT業界で仕事している皆さんはIT認定試験の資格の重要性をよく知っていているでしょう。IT認定試験には多くの種類があります。現在最も人気がある試験もいろいろあります。例えばH19-404_V1.0認定試験などです。その中の試験、どちらを受験しましたか。もし一つの認証資格を持っていないなら、IT認定試験を申し込んで試験の資格を取得する必要があります。試験を受ける予定があれば、急いでGoShikenへ来て必要な情報を見つけましょう。GoShikenはあなたがH19-404_V1.0認定試験に合格する保障ですから。
質問 # 55
Huawei provides an innovative technology that can maintain smooth video when traffic packet loss between enterprise branches reaches up to 20%. Which technology provides this capability?
正解：C
解説：
A-FEC, or Adaptive Forward Error Correction, is the correct technology. It protects delay-sensitive traffic by adding calculated redundant packets to the original packet stream. If some original packets are lost during WAN transmission, the receiving edge device can reconstruct them using the surviving original and redundant packets rather than waiting for end-to-end retransmission.
The key distinction between ordinary FEC and A-FEC is adaptation. With A-FEC, the receiving device reports real-time packet-loss and continuous-loss information to the transmitting device through FEC acknowledgement messages. The transmitting edge then dynamically increases or decreases the redundancy ratio according to actual network conditions. This provides stronger recovery during severe loss while avoiding unnecessary bandwidth overhead when link quality improves. Huawei describes this feedback- controlled adjustment as a mechanism that can alleviate or eliminate the impact of packet loss.
IFIT and IPCA are primarily measurement and service-quality analysis technologies; they do not reconstruct lost video packets. Fixed FEC does not adapt its redundancy level as effectively to changing loss conditions.
Therefore, the technology intended for smooth video under packet loss of up to 20% is A-FEC.
質問 # 56
On which public cloud can the AR6700V-L running R024C10 not be deployed?
正解：D
解説：
For the R024C10 software release specified in the question, the AR6700V-L cannot be deployed on Google Cloud Platform. The supported environments represented by this release and question are Amazon Web Services, Oracle Cloud, and Microsoft Azure.
Public-cloud support for a virtual CPE is release-specific. A virtual router requires more than generic virtual- machine compatibility. Huawei must provide or validate the appropriate cloud image, virtual network- interface drivers, deployment template, bootstrap mechanism, licensing integration, resource specifications, and controller-registration process for each cloud platform. Therefore, support for one KVM- or VMware- based environment does not automatically mean that every public-cloud provider is supported.
A cloud-hosted virtual CPE enables branches to establish overlay connectivity directly with cloud workloads and allows the controller to provide unified management and policy orchestration for physical and virtual edge devices. Huawei describes this model as deploying a virtual SD-WAN router on a public cloud to implement branch-to-cloud interconnection and unified policy orchestration. Under the R024C10 compatibility matrix tested by this question, GCP is excluded. Therefore, option B is correct.
質問 # 57
What is the maximum number of access units supported by a central switch on a passive Ethernet network (PEN)?
正解：A
解説：
A central switch in the relevant passive Ethernet network architecture supports a maximum of 48 access units.
The architecture replaces a conventional multi-layer access design with a centralized switch and distributed remote or access units. The access units function as extensions of the central switch's ports, simplifying device management, configuration, and topology maintenance.
Huawei's CloudEngine S5731-H fixed central-switch specification provides models with 24 or 48 hybrid optical-electrical downlink ports. The 48-port model can therefore directly manage up to 48 associated access or remote units under the design limits represented by this question. The same hybrid links can provide data transmission and remote PoE power, enabling access units to be installed closer to terminals without requiring conventional active aggregation equipment at every location.
The central switch automatically discovers the topology, while remote units behave as extended ports rather than independently managed switches. This reduces management nodes and simplifies a traditional three- layer network into a two-layer architecture. The larger values of 64, 72, and 96 exceed the supported maximum for the specified central-switch implementation. Therefore, option C is correct.
質問 # 58
What is the function of the PROFINET DCP?
正解：D
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 # 59
Traffic can be forwarded directly between the two PRP ports of a PRP RedBox.
正解：B
解説：
The statement is false. In Parallel Redundancy Protocol, LAN A and LAN B must remain two separate, failure-independent networks. A PRP RedBox connects a singly attached node or conventional network to both parallel LANs and behaves toward the PRP network like a doubly attached node. It duplicates outgoing frames and transmits one copy through each PRP port. For incoming traffic, it accepts the first valid copy and discards the later duplicate before forwarding the frame through its interlink port.
The RedBox must not operate as a normal bridge that directly forwards frames from its LAN A port to its LAN B port. Doing so would connect the two redundant LANs, potentially creating loops, duplicate propagation, broadcast amplification, and a common failure path. That would defeat the fundamental PRP requirement that failure or disruption in one LAN must not affect the other.
The original video contains the typing error "PPR RedBox"; the correct term is PRP RedBox , meaning Parallel Redundancy Protocol Redundancy Box. PRP topology requires two separate networks with no direct links between them, while the RedBox provides controlled redundant attachment for non-PRP devices.
質問 # 60
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