[Sep 07, 2025] H19-315-ENU Exam Dumps – 100% Marks In H19-315-ENU Exam! [Q66-Q80]

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[Sep 07, 2025] H19-315-ENU Exam Dumps – 100% Marks In H19-315-ENU Exam!

Exam Dumps Use Real HCSA-Presales-Transmission & Access Dumps With 116 Questions!

QUESTION 66
AES-128 is the encryption algorithm used by GPON for downstream.

True

False

GPON (Gigabit Passive Optical Network) does not use AES-128 encryption for downstream traffic. Instead, GPON uses AES-128 encryptiononly for upstream trafficto ensure data security between the Optical Network Unit (ONU) and the Optical Line Terminal (OLT). Downstream traffic in GPON is broadcasted to all ONUs, and encryption is not applied because the data is intended for multiple users. The encryption key is dynamically managed by the OLT and distributed securely to the ONUs.
This behavior is defined in theITU-T G.984 standard, which specifies the GPON architecture and security mechanisms. For downstream traffic, the security relies on higher-layer protocols (e.g., IPsec or application- level encryption).
References:
* ITU-T G.984 Standard – GPON Architecture and Security
* Huawei GPON Technical Documentation

QUESTION 67
The power OTN backbone communication network is mainly used to carry ( ) services.

Scheduling Automation

Dispatch calls

Data Communication Network

SCADA

QUESTION 68
Which of the following are the main sale products in the Campus OptiX solution?

OLT + ODN + ONU + eSight

OLT + ODN + ONU

OLT + ODN + ONU + U2000

OLT + ONT

TheCampus OptiX solutionis a comprehensive offering that integrates multiple components to deliver a complete Passive Optical LAN (POL) solution. The main sale products include:
* OLT (Optical Line Terminal):Central device for managing the network.
* ODN (Optical Distribution Network):Passive infrastructure for signal distribution.
* ONU/ONT (Optical Network Unit/Terminal):Customer-side devices for connecting end-users.
* eSight:Huawei’s network management system (NMS) for centralized monitoring and management of the entire network.
While options like “OLT + ODN + ONU” or “OLT + ONT” represent subsets of the solution, the inclusion of eSightis critical for effective network management and operation, making option A the most complete and accurate choice.
References:
* Huawei Campus OptiX Solution Guide
* eSight Product Documentation

QUESTION 69
The full-light video is circulated, and there are requirements for power supply, management, lightning protection, and intelligence, which can be selected?

EG8040C

P622E

T672E

EG8084P

QUESTION 70
NCE-T does NOT support virtualization deployment.

True

False

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.

QUESTION 71
What are the advantages of railway MS-OTN A/B dual-plane networking? (Multiple choice)

Support 1588V2 to solve the bottleneck of insufficient bandwidth

Resolving railway maintenance and upgrade requests

Rare problem of sunroof point

Improve network reliability

QUESTION 72
Among the Huawei MXU series products, in FTTB construction scenarios, which products are recommended? (Multiple Choice)

MA5616

MA5612

MA5626

MA5621

MA5633

QUESTION 73
Huawei full-light video back to the network, which equipment is common equipment? (Multiple Choice)

P622E

T672E

MA5621

EA5800-X2

QUESTION 74
What are the protection types of WDM? (Multiple choice)

In-board 1+1

Client side 1+1

Device Level 1+1

ODUk SNCP

Line side 1+1

QUESTION 75
What is the minimum number of chassis to deploy an 8x200G (2x100GE) WDM system with DC908?

TheOptiXtrans DC908is a highly compact and efficient data center interconnect (DCI) solution. To deploy an
8x200G (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.
References:
* Huawei OptiXtrans DC908 Deployment Guide
* Huawei DCI Solution Best Practices

QUESTION 76
OptiXtrans DC908 product is usually used in backbone long-distance networks.

True

False

TheOptiXtrans DC908is specifically designed fordata center interconnect (DCI)applications, not backbone long-distance networks. Its primary use cases include:
* Connecting geographically distributed data centers for cloud services, disaster recovery, and load balancing.
* Supporting short-reach, high-capacity links (e.g., metropolitan areas) rather than ultra-long-haul backbone networks.
For long-distance backbone networks, Huawei offers other products like theOptiXtrans E9600 seriesorOSN
9800 series, which are optimized for higher capacities and longer distances.
References:
* Huawei OptiXtrans DC908 Product Datasheet
* Huawei DCI vs. Backbone Network Deployment Guide

QUESTION 77
POL can be sold independently in all office scenarios.

True

False

POL (Passive Optical LAN) is a solution designed for enterprise campus environments, leveraging PON technology to provide converged voice, data, and video services. While POL is highly versatile and can be deployed in various scenarios such as education, healthcare, hospitality, and office environments, itcannot always be sold independentlyin all office scenarios.
The deployment of POL depends on factors such as the existing infrastructure, customer requirements, and the scale of the network. In some cases, additional components like Wi-Fi access points, routers, or switches may be required to complement the POL solution. Therefore, POL is typically sold as part of an integrated solution tailored to the customer’s specific needs.
References:
* Huawei Campus OptiX Solution Guide
* POL Deployment Best Practices

QUESTION 78
AES-128 is the encryption algorithm used by GPON for downstream.

True

False

The statement is incorrect because GPON (Gigabit Passive Optical Network) does not use AES-128 for downstream encryption. Instead, GPON uses AES-128 forupstream encryptionto secure data transmitted from the Optical Network Unit (ONU) to the Optical Line Terminal (OLT). Downstream traffic in GPON is broadcasted to all ONUs, and encryption is not applied in this direction. The encryption mechanism ensures that only authorized ONUs can decrypt the upstream data, enhancing security in the network.

QUESTION 79
Which of the following is not the advantage of the enhanced MSTP built-in PCM solution over the traditional solution?

Reduce the number of network failure points and improve network reliability

Save computer room space

End-to-end business management, easy operation and maintenance

Improve signal transmission quality

QUESTION 80
In the access-networking of the network, which type ONT can be used for double-fiber three-wave (two-in-one) model?

HG8040F5

EG8040C

HG8546M

HG8042

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[Sep 07, 2025] H19-315-ENU Exam Dumps – 100% Marks In H19-315-ENU Exam! [Q66-Q80]

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