Huawei HCSA-Presales-Transmission & Access H19-315 Exam Questions

Answer : A, B, C, D, E

TheFTTH (Fiber-to-the-Home)network consists of several key components that work together todeliver high-speed connectivity to end-users:

ONU/ONT (Optical Network Unit/Terminal):Customer-side device that converts optical signals into electrical signals for end-user devices.

OLT (Optical Line Terminal):Central device located at the service provider's premises, managing communication with multiple ONUs.

Splitter:Passive optical device that divides the signal from the OLT into multiple paths for distribution to ONUs.

NMS (Network Management System):Software platform (e.g., eSight) for centralized monitoring and management of the FTTH network.

ODF (Optical Distribution Frame):Infrastructure component used for organizing and connecting optical fibers.

Each of these components plays a critical role in ensuring efficient and reliable FTTH deployments.

ITU-T G.984 Standard - FTTH Architecture

Huawei FTTH Solution Guide

Answer : C

TheOSN 902is specifically designed for deployment inoutdoor cabinets, making it ideal for remote and harsh environments. Key features include:

Compact form factor and ruggedized design to withstand extreme temperatures and weather conditions.

Low power consumption and passive cooling, eliminating the need for air conditioning in outdoor cabinets.

Support for long-distance fiber connectivity, making it suitable for edge and access networks.

Other options likeOSN 9800,OSN 8800, andOSN 1800are typically deployed in indoor environments such as data centers or telecom rooms.

Huawei OSN 902 Product Datasheet

Huawei Outdoor Deployment Best Practices

Answer : A, C, D

TheNCE-T (Network Cloud Engine - Transport)is a modular platform that supports multiple functional modules for managing optical transport networks. Here's an analysis of each option:

Analysis Module:Provides AI-driven analytics for network performance monitoring, fault prediction, and optimization.

Forwarding Module:The NCE-T does not include a forwarding module, as this function is handled by the underlying network devices (e.g., routers, switches).

Management Module:Handles device configuration, fault monitoring, and performance management.

Control Module:Provides centralized control over network resources, enabling features like automatic service provisioning and policy enforcement.

Thus, the correct answers areA (Analysis module), C (Management module), and D (Control module).

Huawei NCE-T Product Documentation

Huawei Optical Transport Network Solution Guide

Answer : B

The correct answer isEG8080P. Afaceplate ONUis a compact Optical Network Unit designed to be mounted on a wall or faceplate, typically used in Fiber-to-the-Room (FTTR) or Fiber-to-the-Desk (FTTD) scenarios. TheEG8080Pis specifically designed for such applications, providing high-speed internet, voice, and video services in a small form factor.

Other options:

EG8240P:A standard home gateway ONU, not a faceplate model.

EG8145V5:A residential gateway ONU, not suitable for faceplate mounting.

EG8020P:A business-class ONU, but not a faceplate model.

Huawei ONT/ONU Product Portfolio

Huawei FTTR Solution Documentation

Answer : A

TheEA5800-X2is a compact Optical Line Terminal (OLT) designed for small and medium-sized networks. One of its key features is the support fordual AC input interfaces, which enhances power redundancy and reliability. This ensures uninterrupted operation even if one power source fails, making it suitable for critical network environments.

Dual AC input is particularly important in scenarios where high availability is required, such as enterprise campuses, hospitals, and remote areas.

Huawei EA5800-X2 Product Datasheet

Huawei OLT Deployment Guide

Answer : A

Huawei is a global leader in telecommunications and networking technologies, and it has consistently rankedNo. 1 in ITU patent contributions. The International Telecommunication Union (ITU) is a specialized agency of the United Nations responsible for standardizing global telecommunications technologies. Huawei's significant contributions to ITU standards, particularly in areas like 5G, optical transport, and PON technologies, reflect its commitment to innovation and leadership in the industry.

These contributions not only demonstrate Huawei's technical expertise but also ensure that its products are aligned with the latest global standards, providing customers with cutting-edge solutions.

ITU Patent Contribution Reports

Huawei Annual Innovation Report

Answer : D

TheOSN 1800 Vis a compact device designed for outdoor and edge deployments. Unlike other models in the OSN 1800 series, itcannot be mounted in a standard 19-inch cabinetdue to its unique form factor and intended use case.

Here's an analysis of the other options:

OSN 1800 I:Can be mounted in a 19-inch cabinet and is commonly used in small-scale deployments.

OSN 9800 U32:A high-end platform designed for core networks, typically deployed in data centers or telecom rooms with 19-inch racks.

OSN 1800 II:Supports 19-inch cabinet mounting and is used in metro and regional networks.

Thus, theOSN 1800 Vis the correct answer.

Huawei OSN 1800 Series Product Documentation

Huawei Cabinet Mounting Guidelines