Huawei H19-102_V2.0 HCSA-Sales-Transmission & Access V2.0 Exam Practice Test

DCI is critical for industries with high data transfer needs, per HCSA-Sales-Transmission & Access:

Finance (A): Requires low-latency, secure interconnects.

Large Enterprise (D): Needs scalable data center links.

ISP (E): Manages massive traffic between data centers.

Government (B) and Education (C): Less focus on DCI; more on campus or access networks.

Thus, A, D, and E are correct.

A Passive Optical LAN (POL) network, as per HCSA-Sales-Transmission & Access, consists of:

OLT (Optical Line Terminal): The central device managing the network.

ODN (Optical Distribution Network): Passive infrastructure (e.g., fibers, splitters) connecting OLT to ONUs.

ONU (Optical Network Unit): The endpoint device at customer premises.

These are the core components of Huawei’s POL (e.g., Campus OptiX), making the statement TRUE.

Financial customers, particularly in Data Center Interconnect (DCI) scenarios, face specific challenges that Huawei’s solutions like the OptiXtrans DC908 address. According to HCSA-Sales-Transmission & Access documentation, key pain points for financial customers include:

Financial disaster recovery (B): Financial institutions require robust disaster recovery mechanisms to ensure data integrity and business continuity, a critical need in DCI scenarios.

Financial network attacks (C): Cybersecurity is a major concern due to the sensitive nature offinancial data, making network security a top priority.

Increased leased line prices (D): Rising costs of leased lines push financial customers toward cost-effective self-built networks, a pain point Huawei addresses with solutions like DC908.

Frequent stock transactions (A): While important, this is a business requirement rather than a technical pain point related to transmission or access infrastructure. It’s not listed as a primary concern in the context of DCI or POL solutions for financial customers.

Thus, B, C, and D are the verified pain points.

The WebGUI (Web-based Graphical User Interface) for Huawei solutions like the OptiXtrans DC908 is designed for user-friendly management, including single-device scenarios. HCSA-Sales-Transmission & Access confirms that WebGUI can configure and monitor a standalone device (e.g., DC908), not just multi-device networks. The statement’s negation is incorrect, making it FALSE.

The Huawei OptiXtrans DC908 is a high-performance Data Center Interconnect (DCI) solution designed specifically for DCI applications.

✅High-capacity transmission – Supports 800G per wavelength to handle large-scale data centertraffic.✅Simplified deployment – Uses intelligent management tools for plug-and-play operations.✅High reliability – Supports multi-layer protection and low latency for critical data center connectivity.

Thus, the correct answer is TRUE.

Huawei is a leading provider of networking solutions, offering a broad portfolio that includes both Ethernet-based switches and Passive Optical Network (PON)-based POL products. According to HCSA-Sales-Transmission & Access documentation, Huawei’s Ethernet switches (e.g., CloudEngine series) cater to traditional IP networks, while its POL series (e.g., Campus OptiX with OLTs and ONUs) leverages PON technology for all-optical enterprise LANs. This dual capability allows Huawei to address diverse customer needs, from traditional LANs to modern optical deployments, making the statement TRUE.

In the hotel scenario, Huawei’s Campus OptiX (POL-based) offers tailored advantages, as per HCSA-Sales-Transmission & Access:

Best TCO (B): POL reduces cabling, power, and maintenance costs, delivering the best Total Cost of Ownership compared to traditional LANs.

1 Fiber for 1 Room (C): The solution supports a fiber-to-the-room architecture, providing high bandwidth and scalability for guest rooms.

Wi-Fi "0" Interrupt (A): While POL supports excellent Wi-Fi (e.g., via ONUs with Wi-Fi 6), "zero interrupt" is not a specifically highlighted advantage in hotel scenarios; it’s more emphasized in office roaming contexts.

Thus, B and C are the verified advantages.

DC908 simplifies DCI deployment with WebGUI and rapid commissioning, but it doesn’t shift from mainframes to blade servers (an IT architecture change), per HCSA-Sales-Transmission & Access. It’s designed for optical interconnect, making the statement FALSE.

Huawei’s Network-Level WebGUI offers key features that improve network management efficiency:

✅Simple and Efficient – Provides an easy-to-use graphical interface that simplifies network configuration and monitoring.

✅Whole Network Perspective – Offers a real-time view of all network devices and connections, enabling faster troubleshooting.

✅Network Dimension O&M – Integrates O&M (Operations & Maintenance) functionalities for proactive fault detection and network optimization.

Thus, the correct answers are A, B, and C.

Campus networks today face several key challenges:

✅Hard to expand/upgrade cabling system – Traditional Ethernet-based campus networks require extensive copper cabling, which is difficult to expand and upgrade, leading to higher costs and complexity.

✅Chimney networks hard to maintain – Many legacy campus networks operate in a chimney-style architecture (vertical silos of network systems), making it difficult to manage and integrate different services.

❌Restriction of 100m makes network complex – While Ethernet has a 100m distance limit, modern fiber-based Passive Optical LAN (POL) solutions overcome this restriction, making this less of a challenge today.

❌Devices are too large – Modern networking equipment is compact and modular, making device size less of a concern in today’s campus networks.

Thus, the correct answers are A and D.

Passive Optical Networks (PON) use a Point-to-Multipoint (P2MP) topology where a single Optical Line Terminal (OLT) connects to multiple Optical Network Units (ONUs) or Optical Network Terminals (ONTs) using passive splitters.

✅Efficient Bandwidth Sharing – A single fiber from the OLT is split among multiple users, reducing fiber deployment costs.

✅Scalable and Cost-Effective – Supports higher user density with minimal fiber usage.

Since PON does not follow a Point-to-Point (P2P) model, the correct answer is P2MP.

Passive Optical LAN (POL) is Huawei’s all-optical solution for enterprise networks, replacing traditional copper-based LANs with fiber optics. HCSA-Sales-Transmission & Access materials confirm that POL, part of the Campus OptiX portfolio, is designed for enterprise environments and is widely applicable in scenarios such as:

Education (e.g., universities),

Healthcare (e.g., hospitals),

Airports,

Electric power, and

Smart cities.

Its benefits include simplified architecture, high bandwidth, and long-distance coverage (up to 40km), making the statement TRUE.

Campus OptiX supports GPON (2.5Gbps) and evolves to 10GPON (10Gbps) using the same OLT and ODN, per HCSA-Sales-Transmission & Access, ensuring future-proofing, making the statement TRUE.

This statement directly reflects a well-documented pain point in DCI scenarios as per HCSA-Sales-Transmission & Access materials. The rapid growth of DCI traffic (over 50% annually) is driven by increasing data demands from cloud services, video streaming, and enterprise applications. Meanwhile, bandwidth costs doubling every two years exacerbate the financial burden on customers, pushing them toward cost-efficient solutions like Huawei’s DC908, which offers a payback period within 1 year for self-built networks. The statement accurately captures this dynamic, making it TRUE.

POL stands for Passive Optical LAN in Huawei’s context, per HCSA-Sales-Transmission & Access. It applies PON technology to enterprise campuses, replacing traditional LANs with fiber-based, passive solutions. Other options (A, B, C) are unrelated, making D correct.

The highlights of "Ultra broadband & High Integration" pertain to Huawei’s advanced transmission solutions, such as the OptiXtrans DC908, designed for DCI scenarios. According to HCSA-Sales-Transmission & Access materials:

Hybrid photoelectric integration (B): This feature integrates optical and electrical components, reducing complexity and improving efficiency, a hallmark of Huawei’s high-integration designs.

9.6T/2U (C): The DC908 delivers an industry-leading capacity of 9.6 terabits per second in a compact 2U form factor, emphasizing ultra-broadband capability and space efficiency.

100G~800Gbit@per X (D): This refers to the flexible, scalable bandwidth per port (ranging from 100G to 800G), a key feature for ultra-broadband applications in DCI.

Hardware redundancy (A): While important for reliability, it is not specifically highlighted under "Ultra broadband & High Integration" but rather under stability or resilience features.

Thus, B, C, and D are the verified highlights.

POL in Campus OptiX supports Wi-Fi roaming, Network Access Control (NAC), free mobility, and Software-Defined Networking (SDN) via ONUs with Wi-Fi 6 and eSight management, per HCSA-Sales-Transmission & Access. This versatility suits various office scenarios, making the statement TRUE.

Technical-level customers (e.g., engineers) in DCI scenarios face high costs (bandwidth, equipment) and difficult O&M (complex planning, maintenance), as per HCSA-Sales-Transmission& Access. DC908 addresses these with low per-bit costs and simplified deployment, making the statement TRUE.

Huawei’s Campus OptiX solution consists of:

✅OLT (Optical Line Terminal) – Manages the network and distributes signals.✅ODN (Optical Distribution Network) – Passive fiber infrastructure for connectivity.✅ONU (Optical Network Unit) – Delivers services to end devices.✅eSight (Management Software) – Provides centralized monitoring and management of the Campus OptiX network.

Thus, the correct answer is B (OLT + ODN + ONU + eSight).

In Data Center Interconnect (DCI) scenarios, high-level customers—such as large enterprises, ISPs, and financial institutions—face significant challenges, as outlined in HCSA-Sales-Transmission & Access documentation. The two major pain points are:

High costs: DCI traffic grows rapidly (over 50% annually), and bandwidth costs often double every two years, making cost management a critical issue.

Difficult O&M (Operations & Maintenance): Traditional DCI setups involve complex network planning and maintenance, often requiring skilled engineers, which increases operational complexity.

Huawei’s OptiXtrans DC908 addresses these with lower per-bit costs (e.g., 88T/fiber capacity) and simplified O&M (e.g., one-click deployment). The statement aligns with documented customer pain points, making it TRUE.

Huawei’s Campus OptiX (POL) solution is widely used for video surveillance in several sub-scenarios:

✅Public safety – Used in city-wide security and smart policing for real-time surveillance.

✅Medium and large park monitoring – Supports security monitoring in industrial parks, university campuses, and commercial centers.

✅New track or airport terminal monitoring – Enables high-resolution surveillance for rail stations and airport terminals.

❌Home monitoring – Home surveillance typically uses Wi-Fi-based or smaller-scale solutions, not POL technology.

Thus, the correct answers are B, C, and D.

Fiber optic cables in POL and DCI solutions have a lifecycle of 30 years, per HCSA-Sales-Transmission & Access, due to their durability and passive nature, making B correct.