Pass Your H19-315 Dumps as PDF Updated on 2025 With 116 Questions
Huawei H19-315 Real Exam Questions and Answers FREE
Huawei H19-315-ENU (HCSA-Presales-Transmission & Access) exam is a certification exam designed for professionals who work in the field of presales transmission and access. H19-315 exam is specifically designed to test the knowledge and skills required for the HCSA-Presales-Transmission & Access certification. HCSA-Presales-Transmission & Access certification indicates that the individual is proficient in the latest transmission and access technologies and is able to provide pre-sales support.
NEW QUESTION # 47
How many waves @50GHz can Super-C provide?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: D
Explanation:
TheSuper-C bandis an extension of the traditional C-band used in Dense Wavelength Division Multiplexing (DWDM) systems. It increases the number of available wavelengths by utilizing tighter channel spacing of50 GHz. Specifically, the Super-C band can support up to96 wavelengthsat 50 GHz spacing, compared to the standard 80 wavelengths in the conventional C-band.
This enhancement allows for higher spectral efficiency and increased capacity in optical transport networks, making it ideal for high-density traffic scenarios.
References:
* ITU-T G.694.1 Standard - DWDM Channel Plans
* Huawei DWDM Solution Guide
NEW QUESTION # 48
Among the highway trunk line solutions, which is Huawei's first transmission product?
- A. OSN9800
- B. OSN8800
- C. OSN1800
- D. OSN6800
Answer: A
NEW QUESTION # 49
Which of the following is the advantage of the Huawei distribution network solution? (Multiple Choice)
- A. Support optical fiber link failure detection
- B. Hands and hand double up, the passive link to resist multiple points,
- C. Large bandwidth, low lack, small jitter
- D. Support multiple access certification methods, effectively resist illegal attack network management capabilities
Answer: A,B,C,D
NEW QUESTION # 50
The eSight network management interface newly planned in 2020 can automatically generate a topology diagram after the device is configured.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 51
The "IP + optical" networking structure of the all-optical campus is a large layer 2 networking mode, and the optical aggregation OLT replaces the core switch.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 52
The "IP+Light" fusion solution solution, what kind of component products include? (Multiple Choice)
- A. OLT
- B. ONT
- C. ONU
- D. ODN
Answer: A,B,C,D
NEW QUESTION # 53
The development trend of railway communication business is to develop towards wireless broadband, control automation, and intelligent operation.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 54
How many OLT models are there in Huawei's OLT family?
- A. 0
- B. 1
- C. 2
- D. 3
- E. 4
Answer: E
Explanation:
Huawei offers a diverse range of Optical Line Terminal (OLT) models to cater to various network requirements. As of the latest product portfolio, Huawei's OLT family includesfive primary models:
* MA5800 Series:High-density OLT for large-scale deployments (e.g., MA5800-X17,MA5800-X7).
* EA5800 Series:Compact OLT for small and medium-sized networks (e.g., EA5800-X2).
* OptiXstar Series:Specialized OLT for enterprise and campus networks.
* SmartAX Series:Integrated OLT for multi-service access.
* OSN Series:Advanced OLT for converged transport and access networks.
Each model is designed to address specific use cases, from large-scale service provider networks to small enterprise deployments.
References:
* Huawei OLT Product Portfolio
* Huawei Transmission & Access Solution Guide
NEW QUESTION # 55
Which of the following is the protection of WDM? (Multiple choice)
- A. Client side 1+1
- B. Multiplex Section Protection
- C. In-board 1+1
- D. ODUk SNCP
Answer: A,C,D
NEW QUESTION # 56
Which of the following of MA5621 is wrong?
- A. The specification is 2*GE
- B. The uplink optical module supports hot swap
- C. Support AC and DC power supply
- D. The uplink port supports dual uplink and supports 1+1 and 1:1 protection
Answer: A
NEW QUESTION # 57
POL can be sold independently in all office scenarios.
- A. False
- B. True
Answer: A
Explanation:
The statement isFalse. While Passive Optical LAN (POL) is a versatile solution that can be deployed in various enterprise scenarios, it cannot always be sold independently inall office scenarios. POL is best suited for environments where high bandwidth, simplified architecture, and centralized management are required.
However, traditional Ethernet-based solutions may still be preferred in certain scenarios due to factors like existing infrastructure, cost constraints, or specific application requirements.
For example:
* Small offices:May find POL overkill due to its higher upfront costs compared to Ethernet switches.
* Legacy systems:Offices with significant investments in copper-based networks may prefer incremental upgrades rather than a complete POL deployment.
NEW QUESTION # 58
DCI box equipment supports multi-service bearer, suitable for trunk network.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 59
Which ONT/ONU terminals have GPON and EPON upper models at the same time? (Multiple Choice)
- A. HG8546M
- B. HG8040F5
- C. HG8042
- D. EG8040C
Answer: B,C,D
NEW QUESTION # 60
For the construction of broadband speed up for the buildings that existing radio and television coaxial shafts, such as convenient hotels, school dormitories, etc., which solutions are more suitable? (Multiple Choice)
- A. FTTH
- B. FTTH
- C. EOC
- D. D-CMTS
Answer: C,D
NEW QUESTION # 61
Huawei Metro & Access WDM market share is No. 1.
- A. True
- B. False
Answer: A
Explanation:
Huawei has consistently rankedNo. 1 in the Metro & Access WDM (Wavelength Division Multiplexing) market share globally. This leadership position is attributed to its innovative optical transport solutions, such as theOSN 9800 seriesandOptiXtrans E9600 series, which cater to a wide range of industries and applications.
Huawei's success in this domain is driven by:
* Advanced technologies like Super-C band, flexible grid, and high-speed interfaces (e.g., 400G/800G).
* Comprehensive support for multiple services, including OTN, SDH, and packet-based traffic.
* Strong global presence and partnerships with service providers, enterprises, and governments.
This dominance is well-documented in industry reports from firms like Dell'Oro Group and Omdia.
References:
* Dell'Oro Group Optical Transport Market Report
* Huawei Metro & Access WDM Solution Guide
NEW QUESTION # 62
The full-light video is circulated, and there are requirements for power supply, management, lightning protection, and intelligence, which can be selected?
- A. EG8040C
- B. EG8084P
- C. T672E
- D. P622E
Answer: C
NEW QUESTION # 63
On the main railway line, what is the recommended bandwidth of the main MS-OTN solution at the interval layer?
- A. 622M
- B. 40G
- C. 10G
- D. 2.5G
Answer: C
NEW QUESTION # 64
Which industry has a multi-data center interconnection scenario? (Multiple choice)
- A. Electricity
- B. Finance
- C. Internet
- D. Transportation
Answer: A,B,C,D
NEW QUESTION # 65
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. 10G
- B. 622M
- C. 1.25G
- D. 2.5G
Answer: D
NEW QUESTION # 66
Which of the following devices cannot be mounted in a 19-inch cabinet?
- A. OSN 1800 I
- B. OSN 1800 V
- C. OSN 1800 II
- D. OSN 9800 U32
Answer: B
Explanation:
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.
References:
* Huawei OSN 1800 Series Product Documentation
* Huawei Cabinet Mounting Guidelines
NEW QUESTION # 67
The video private network transmission network adopts OTN technology networking, mainly including E6616/EE606 and other equipment.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 68
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