[2025] Practice with these H19-315 dumps Certification Sample Questions
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Huawei H19-315 exam is a certification test for professionals who are looking to specialize in transmission and access in the IT industry. HCSA-Presales-Transmission & Access certification is offered by Huawei, a leading global provider of information and communications technology (ICT) infrastructure and smart devices. The H19-315 exam is specifically designed to test the candidate's knowledge and skills in the field of transmission and access, including the technologies, solutions, and products offered by Huawei.
Huawei H19-315-ENU exam covers a range of topics related to transmission and access technologies, including but not limited to: optical fiber transmission, microwave transmission, WDM, OTN, and DSL. H19-315 exam is made up of multiple-choice questions and is designed to test a candidate's understanding of the various technologies, as well as their ability to apply that knowledge in a pre-sales context. Passing the exam requires a thorough understanding of Huawei's products and solutions, as well as a strong grasp of the underlying technologies that power them.
NEW QUESTION # 48
OSN 1800 supports OTN ASON.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 49
Which of the following is not the advantage of the enhanced MSTP built-in PCM solution over the traditional solution?
- A. End-to-end business management, easy operation and maintenance
- B. Improve signal transmission quality
- C. Save computer room space
- D. Reduce the number of network failure points and improve network reliability
Answer: B
NEW QUESTION # 50
WDM system, noise is mainly introduced by EDFA amplifier.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 51
EG8040F4 is an ONT product with 4 Gigabit Ethernet interfaces.
- A. False
- B. True
Answer: B
Explanation:
TheEG8040F4is a Huawei Optical Network Terminal (ONT) designed for Fiber-to-the-Home (FTTH) deployments. It featuresfour Gigabit Ethernet interfaces, making it suitable for high-speed internet access in residential and small office environments. These interfaces allow users to connect multiple devices, such as computers, smart TVs, and gaming consoles, to the network simultaneously.
In addition to Gigabit Ethernet ports, the EG8040F4 may also include other features like Wi-Fi support, VoIP ports, and USB connectivity, depending on the specific model.
References:
* Huawei EG8040F4 Product Datasheet
* Huawei FTTH Solution Guide
NEW QUESTION # 52
Huawei's OptiXtrans DC908 product is designed for the DCI application.
- A. False
- B. True
Answer: B
Explanation:
TheOptiXtrans DC908is specifically designed forData Center Interconnect (DCI)applications. Its key features align perfectly with the requirements of modern DCI scenarios:
* High Capacity:Supports up to 800G per wavelength, enabling ultra-high-speed connectivity between data centers.
* Compact Design:The 2U form factor makes it ideal for space-constrained environments.
* Low Latency:Optimized for minimal delays, critical for applications like cloud computing and disaster recovery.
* Simplified Deployment:Plug-and-play functionality reduces operational complexity.
While other Huawei products (e.g., OptiXtrans E9600) are designed for backbone or metro networks, the DC908 is tailored exclusively for DCI.
References:
* Huawei OptiXtrans DC908 Product Documentation
* Huawei DCI Solution Guide
NEW QUESTION # 53
What are the methods of financial disaster recovery data center? (Multiple choice)
- A. Intra-city dual-active
- B. Main and standby in the same city
- C. Local disk backup
- D. Cloud Disaster Preparedness
- E. Live more in the same city
- F. Three centers in two places
Answer: A,B,D,E,F
NEW QUESTION # 54
OptiXtrans DC908 has 8 slots, each slot is 5U wide.
- A. False
- B. True
Answer: A
Explanation:
The statement isFalse. TheOptiXtrans DC908does not have8 slots, nor are the slots5U wide. Instead, the DC908 is acompact 2U devicewith a fixed configuration, meaning it does not use modular slots like some other optical transport platforms.
Key characteristics of the DC908 include:
* Fixed Configuration:The DC908 is designed as an all-in-one device, integrating optical modules, amplifiers, and control units into a single chassis.
* Compact Design:Its2U heightand shallow depth (compatible with 600mm racks) make it ideal for space-constrained environments.
* High Capacity:Despite its small size, the DC908 supports up to8Tbps per fiber pair, leveraging advanced technologies like 400G wavelengths.
The confusion may arise from other devices in the OptiXtrans series that use modular designs, but the DC908 itself is not slot-based.
NEW QUESTION # 55
In the current RPR ring network model in the subway field, a reverse double-ring structure is adopted. What is the bandwidth of the double-ring?
- A. 622M
- B. 2.5G
- C. 1.25G
- D. 10G
Answer: B
NEW QUESTION # 56
Which of the following are the components for the FTTH network?
- A. OLT
- B. ODF
- C. NMS
- D. Splitter
- E. ONU/ONT
Answer: A,B,C,D,E
Explanation:
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.
References:
* ITU-T G.984 Standard - FTTH Architecture
* Huawei FTTH Solution Guide
NEW QUESTION # 57
Which of the following are the advantages of an OSN 1800 used in the Grid industry?
- A. Isolation Hard Pipe
- B. MS-OTN
- C. High Secure Hard Pipe
- D. Built-in PCM
Answer: A,B,C,D
Explanation:
All the options are correct. TheHuawei OSN 1800offers several advantages when used in theGrid industry, making it an ideal solution for smart grid communications.
Here's how each advantage applies:
* High Secure Hard Pipe:Provides dedicated bandwidth for mission-critical applications like SCADA (Supervisory Control and Data Acquisition), ensuring secure and reliable communication.
* Isolation Hard Pipe:Ensures complete isolation between different services, preventing interference and enhancing security.
* Built-in PCM:Supports legacy analog and digital services, enabling seamless integration with existing grid infrastructure.
* MS-OTN (Multi-Service Optical Transport Network):Combines OTN, SDH, and Ethernet capabilities, offering a converged platform for diverse grid applications.
The OSN 1800's flexibility, security, and support for multiple technologies make it well-suited for the demanding requirements of the Grid industry.
NEW QUESTION # 58
Which of the following statements about OSN 1800 V is incorrect?
- A. Support for rich interfaces
- B. Unavailable in a 19-inch cabinet
- C. Support for AC/DC with 1+1 backup
- D. 700G OTN
Answer: B
Explanation:
TheOSN 1800 Vis a compact and versatile optical transport platform designed for metro and access networks.
Let's analyze each statement:
* Statement A:The OSN 1800 V supports700G OTNcapacity, making it suitable for high-bandwidth applications.
* Statement B:It providesrich interfaces, including Ethernet, SDH, and OTN, ensuring flexibility for diverse use cases.
* Statement C:The OSN 1800 Vis available in a 19-inch cabinet, making it easy to deploy in data centers or telecom rooms. This statement is incorrect.
* Statement D:It supports bothAC and DC power inputswith1+1 redundancy, ensuring high reliability.
Thus, the incorrect statement isC.
References:
* Huawei OSN 1800 V Product Datasheet
* Huawei Metro & Access WDM Solution Guide
NEW QUESTION # 59
The OLT model of the radio and television access central office is EA5800.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 60
EPON and GPON are the two main PON technologies at present. Compared with EPON, GPON has advantages in terms of bandwidth, optical splitting ratio, standard perfection, etc. The upstream and downstream bandwidth of GPON is twice that of EPON.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 61
NCE-T does NOT support virtualization deployment.
- A. False
- B. True
Answer: A
Explanation:
The statement isFalse. TheNCE-T (Network Cloud Engine for Transport) does support virtualization deployment, making it highly flexible and scalable for modern optical transportnetworks.
Key aspects of NCE-T's virtualization support include:
* Cloud-Native Design:NCE-T can be deployed on cloud platforms, leveraging virtual machines (VMs) or containers for scalability and resource optimization.
* Multi-Tenancy:Supports multiple tenants within a single instance, enabling service providers to offer customized solutions to different customers.
* Dynamic Scaling:Automatically adjusts resource allocation based on network demand, ensuring optimal performance during peak loads.
* Integration with NFV:Works seamlessly with Network Function Virtualization (NFV) frameworks, enabling convergence with other virtualized network functions.
Virtualization enhances NCE-T's capabilities, making it suitable for large-scale, carrier-grade deployments where flexibility and scalability are critical.
NEW QUESTION # 62
The voltage level of the substation not covered by the power transmission and transformation communication network is ( ).
- A. 110kv
- B. 10kv
- C. 35kv
- D. 220kv
Answer: B
NEW QUESTION # 63
What is the minimum number of chassis to deploy an 8x200G (2x100GE) WDM system with DC908?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: C
Explanation:
The correct answer is1. TheOptiXtrans DC908is designed to support high-density configurations, allowing an
8x200G (2x100GE)WDM system to be deployed using justone chassis.
Here's a breakdown of how this is achieved:
* High Integration:The DC908 integrates multiple components, such as optical modules, amplifiers, and control units, into a single compact2U chassis. This eliminates the need for additional hardware or external devices.
* Scalability:The DC908 supports up to8 wavelengths per fiber pair, each operating at200G. This means that all 8x200G channels can be accommodated within a single device.
* Service Aggregation:Each 200G wavelength can carry multiple 100GE services, enablingefficient aggregation of traffic. For example, two 100GE services can be mapped onto a single 200G wavelength.
* Space Efficiency:By consolidating everything into one chassis, the DC908 minimizes rack space requirements, making it ideal for data centers and edge locations where space is limited.
Other options:
* 2, 3, or 4 chassis:These would only be necessary for extremely large-scale deployments or if additional redundancy were required. However, for an 8x200G system, a single chassis is sufficient.
This compact design highlights the DC908's efficiency and cost-effectiveness for modern optical networks.
NEW QUESTION # 64
SDH ASON/2M ASON feature is a feature that State Grid requires MSTP equipment to support
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 65
Which of the following boards can support 400G/A?
- A. N402
- B. N602
- C. N502
- D. N220
Answer: A
Explanation:
The correct answer isN402. TheN402 boardis specifically designed to support400G per wavelength transmission, 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.
NEW QUESTION # 66
In the future service evolution of railways, the main bandwidth requirements are video services, and the bandwidth requirements of traditional services will become smaller and smaller.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 67
Most of the ONT user-side interfaces of radio and television access home terminals are 4GE.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 68
NCE-FAN doesn't support Local HA.
- A. False
- B. True
Answer: A
Explanation:
The statement isFalse. TheNCE-FAN (Network Cloud Engine for Fixed Access Networks)does support Local High Availability (HA). Local HA ensures that the system remains operational even in the event of hardware or software failures, providing uninterrupted service delivery.
Key features of Local HA in NCE-FAN include:
* Redundant Components:Critical components like control boards and power supplies are duplicated to prevent single points of failure.
* Failover Mechanism:If the primary component fails, the backup component takes over automatically, minimizing downtime.
* Data Synchronization:Real-time synchronization of configuration and operational data ensures seamless transitions during failover.
Local HA is essential for carrier-grade networks where high availability is a top priority. It complements other redundancy mechanisms, such as distributed architectures and remote backups, to ensure robust network performance.
NEW QUESTION # 69
SOM online transmission performance monitoring does not affect customer business.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 70
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Candidates taking the Huawei H19-315-ENU certification exam are expected to have an in-depth understanding of the latest transmission technology developments, including voice, video, and data communications. They must also have technical know-how of various transmission modes, such as microwave, fiber-optic, and satellite communications. Additionally, the exam stresses the importance of customer service, whereby candidates should be able to provide pre-sales consultation and support to customers.
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