Free H19-315 Practice Test

The correct answer isN402. TheN402 boardis specifically designed to support400G per wavelengthtransmission, making it ideal for high-capacity optical networks. Key features of the N402 board include: High-Speed Transmission:Supports data rates up to 400G per wavelength, enabling efficient traffic aggregation in backbone and core networks. Advanced Modulation:Uses modulation schemes like DP-16QAM (Dual Polarization 16 Quadrature Amplitude Modulation) to achieve high spectral efficiency. Flexibility:Compatible with various network architectures, including OTN, WDM, and SDH. Scalability:Can be integrated into existing networks to boost capacity without requiring a complete overhaul. Other options: N220:Typically supports lower data rates (e.g., 100G). N502:Designed for mid-range applications, not 400G. N602:Focuses on access networks rather than high-speed backbone transmission.
Reference: Huawei N402 Board Specifications ITU-T G.709 Standards for OTN

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.
Reference: Huawei ONT/ONU Product Portfolio Huawei FTTR Solution Documentation

TheOptiXtrans DC908is a highly compact and efficient data center interconnect (DCI) solution. To deploy an8x200G (2x100GE)WDM system, only1 chassisis required. Key reasons: High Integration:The DC908 supports up to 800G per wavelength and integrates multiple functions into a single 2U chassis. Scalability:A single chassis can handle the specified capacity (8x200G or 2x100GE) without requiring additional hardware. Plug-and-Play Design:Simplifies deployment and reduces the need for multiple chassis. Using more than one chassis would be unnecessary for this configuration, making1 chassisthe correct answer.
Reference: Huawei OptiXtrans DC908 Deployment Guide Huawei DCI Solution Best Practices

The correct answer is38.4T. TheOptiXtrans DC908supports a maximum single-fiber capacity of38.4 Tbps, making it one of the most advanced solutions for high-capacity optical transport. Here’s how the DC908 achieves this capacity: WDM Technology:Combines multiple wavelengths on a single fiber, each carrying data at speeds up to400G. Advanced Modulation:Uses modulation schemes like DP-16QAM to maximize spectral efficiency, enabling higher data rates within the same fiber spectrum. High Density:Supports up to96 wavelengths per fiber, resulting in a total capacity of38.4 Tbps(96 x 400G). Future-Proofing:Designed to accommodate emerging technologies like 800G wavelengths, ensuring scalability for future demands. This level of capacity is critical for applications like data center interconnects, where large volumes of data need to be transmitted over long distances without bottlenecks.
Reference: Huawei OptiXtrans DC908 Product Documentation ITU-T G.698 Standards for WDM

TheMS-OTN (Multi-Service Optical Transport Network)is a versatile technology designed to support multiple types of services and protocols. Here’s an analysis of each statement:
Statement A:Not all models in the OSN 1800 series (e.g., OSN 1800 I) fully support MS-OTN. Only higher-end models like the OSN 1800V and OSN 1800 II provide comprehensive MS-OTN capabilities.
Statement B:MS-OTN supportsODUk (Optical Channel Data Unit)cross-connections, enabling efficient grooming and transport of traffic at various granularities.
Statement C:MS-OTN integratesSDH,PKT (Packet), andOTNservices into a singleplatform, making it ideal for converged networks.
Statement D:MS-OTN stands forMulti-Service Optical Transport Network, highlighting its ability to handle diverse traffic types. Thus, statements B, C, and D are correct.
Reference: ITU-T G.709 Standard - OTN Specifications Huawei MS-OTN Solution Guide

The statement isTrue. TheOptiXtrans DC908is primarily designed forbackbone long-distance networks, where high capacity, low latency, and reliability are critical. Here’s why the DC908 is well-suited for backbone networks: High Capacity:The DC908 supports up to38.4 Tbps per fiber pair, making it ideal for transporting massive volumes of data over long distances. Long-Distance Transmission:Leveraging advanced technologies likeEDFA (Erbium-Doped Fiber Amplifier)andRaman amplification, the DC908 can transmit data over distances exceeding1,000 kmwithout regeneration. Low Latency:Designed for ultra-low latency, the DC908 ensures minimal delay for mission-critical applications like cloud computing, AI, and big data analytics. Reliability:Features likeoptical protection switchingandhard pipe isolationensure uninterrupted service even in the event of failures. While the DC908 can also be used for shorter distances (e.g., metro or regional networks), its primary application is inlong-haul backbone networksthat connect major cities, data centers, and international gateways.
Reference: Huawei OptiXtrans DC908 Product Documentation ITU-T G.698 Standards for WDM

TheCampus OptiX (POL)solution is primarily deployed in scenarios where fiber-to-the-premises (FTTP) is required for high-speed connectivity. The main sale scenarios include: Room-like Scenarios:POL is widely used in education (classrooms, dormitories), hotels (guest rooms), hospitals (patient rooms), and apartments, where individual units require dedicated connectivity. Video Backhaul Scenarios:POL supports video surveillance and backhaul applications in safe city projects, parks, and industrial zones, ensuring reliable and high-quality video transmission. While POL can technically support office and Wi-Fi backhaul scenarios, these are not its primary focus. Instead, these scenarios are better addressed by other Huawei solutions like Wi-Fi 6 or enterprise switches.
Reference: Huawei Campus OptiX Solution Guide POL Deployment Scenarios

TheFlex-PON boardsupports multiple PON technologies, including: GPON:Gigabit Passive Optical Network, widely used for residential and small business applications. XG-PON:10G Asymmetric Passive Optical Network, offering higher upstream and downstream bandwidths. XGS-PON:10G Symmetric Passive Optical Network, providing equal upstream and downstream speeds. Combo PON:Combines GPON and XG(S)-PON on the same port, enabling seamless upgrades from GPON to XG(S)-PON without replacing hardware. The only option not supported by Flex-PON isXG-PON Combo, as "Combo" typically refers to the integration of GPON and XG(S)-PON, not just XG-PON alone.
Reference: Huawei Flex-PON Technology White Paper ITU-T G.984.x and G.988 Standards for PON

TheNetwork Doctorfeature is designed to providereal-time network quality monitoring,pre-warning, andoptimization of link deterioration. It uses AI-driven analytics to: Continuously monitor network performance metrics such as latency, jitter, and packet loss. Identify potential issues before they impact services, enabling proactive maintenance. Optimize link performance by recommending adjustments to routing, bandwidth allocation, or other parameters. Other options like "Service Doctor" focus on service-level diagnostics, while "Optical Doctor" and"Fiber Doctor" are specific to optical and fiber-level monitoring, respectively.
Reference: Huawei NCE-FAN Product Documentation Huawei Network Quality Monitoring Best Practices

The statement isTrue. TheOptiXtrans E9605is a compact and modular optical transmission device, often deployed inOLA (Optical Line Amplifier)stations. Key characteristics of the OptiXtrans E9605 include: Small Form Factor:Its compact design makes it ideal for space-constrained environments, such as OLA stations where only amplification is required. Amplification Capability:Equipped with optical amplifiers (e.g., EDFA), it boosts optical signals to compensate for attenuation over long distances. Simplified Deployment:The device is easy to install and maintain, reducing operational complexity in OLA applications. OLA stations are intermediate points in optical networks where signals are amplified without being regenerated or processed electrically. The OptiXtrans E9605 is specifically optimized for such scenarios.
Reference: Huawei OptiXtrans E9600 Series Product Documentation ITU-T G.694 Standards for Optical Amplifiers